Downgrade bios lenovo legion 5 reddit. Them you must activate the Option (downgrade BIOS).

Downgrade bios lenovo legion 5 reddit So I am thinking to look for it’s respective( FAT32) files on whatever Lenovo server you found. Any input would be appreciated. And i found out if you go lower than this voltage, your laptop will crash! Here's a link to the most recent drivers. I've been experiencing a few issues after updating like track pad auto enabling itself and the laptop occasionally not going into performance mode with the charger plugged in. I've even gone through the long arduous journey of getting 60Hz on this laptop. Our Company News Investor Relations Sustainability I bought a Legion 5 pro 16IAH7 from Costco and plan to upgrade the RAM. Where can I get previous versions of the BIOS? I wouldn't recommend it unless you are facing any issues currently. For the time being I've reverted to eucn31ww bios version which solved the display drivers restarting problem. Mine broke after downgrade even when it said the downgrade was successfully complete but next reboot no display no nothing. Lenovo Legion Go news, information and discussions about the device and its accessories. If not then go back into windows and make sure the USB was prepared correctly then reboot into the BIOS dont try to turn on the laptop, u can burn ur ssd (like i did on my legion 5). When asking a question or stating a problem, please add as much detail as possible. com. Dive into the technicalities of BIOS rollback on your Lenovo Legion Go with our detailed guide. i tried to resolve the problem with removing CMOS battery and doing the drain (20 seconds holding power key) with no success. no bsod. Nope, you'll probably need to downgrade after, I've experienced a lot of bugs and issues with the latest bios. Sep 6, 2017 · This video will illustrate how to update the BIOS for Lenovo systems. Agrandir le menu Ouvrir le menu des paramètres. This guide will provide you with a step-by-step explanation of how to downgrade the BIOS on your Lenovo Legion laptop safely and effectively. I closed the laptop lid and now it’s stuck in some kind of sleep mode. Couldn't guess Legion 5 found would be far behind. Before installation you need to allow BIOS backflash in the BIOS settings. id try clearing the win update software cache (fix 2 in link), disconnect (and forget) from the net and reboot offline, try installing what you need to, reboot, give it a few minutes for everything to load and process the last install if needed, reboot again and hopefully it doesn't now install something this time, reboot to verify it hasn't (although it might be the kind of thing that Hi, anyone else keep the original bios version of legion 5p 15mih05 (i510300h 1650Ti). I use Optimus so the iGPU is in use but the battery life is still terrible. Currently at EUCN31WW which has been working fine. it all started when my itchy hands decided to update to the GKCN53WW and everything went haywire (frequent system hang till the machine restarts by itself) and i couldn't do Best BIOS version for Legion 5 Pro (2021 AMD), and best firmware version Tech Support Hey guys, I just downgraded by Legion 5 pro firmware from version 54 back to 40, as past posts said it was better for power consumption, stability, performance, etc. I got the Lenovo legion 5i pro 2022 and experience random freezing. Get the Reddit app Scan this QR code to download the app now This version is only for „Lenovo Legion 5 15ACH6H/R70002021H/Lenovo Legion R7000P2021H/5 15ACH6H/5 Lenovo has been notorious of not allowing users to access advance bios settings, but recently I have found a way to access this options in the bios menu. Lenovo Vantage reports that my battery is in good health so I have no clue what's wrong. Cheers! I noticed mine after I upgraded all my drivers on Lenovo Vantage a few months ago (currently on BIOS version GKCN53WW) and also updated to the latest Geforce drivers from the Nvidia website. And I can’t get my laptop to boot from. But I'm fine with that. Please contact the moderators of this subreddit if you have any questions or concerns. the common way to downgrade bios is by - first enabling the bios backflash option in the bios setting during system startup and then flashing/running the old/previous bios setup file from within windows. I am a bot, and this action was performed automatically. 05Gh lenovo legion 5 17arh05h bios downgrade Hello to everyone, As I read a lot in this channel, there was a thread about the newer BIOS updates being bad and because my laptop came with FSCN14WW and reseted the keyboard light every time when It sleeps, I decided to downgrade it to the highly recommended FSCN13WW. Have seen tons of post with laptop introduced to new issues after bios updates specially the Legion 5 Pro 2021, for the same reason even I haven't. lenovo has been worse than useless in helping flash back to factory bios, getting 5-10% better performance on the GPU with 40, hoping an earlier version boosts the CPU a bit more this version caps it at 4. no not only that ,navigate to "drive C->windows , if you see firmware folder then delete . Since the "stock" bios doesnt update them. Now my bios version is efcn58ww and my laptop is working very slow. I've already tried pressing escape, f12, delete, f10, and f8 on startup. Lenovo System Update is supported on the following systems: ThinkPad, ThinkCentre, ThinkStation, and Lenovo V, B, K, E-Series. Welcome to r/gaminglaptops, the hub for gaming laptop enthusiasts. Get the Reddit app Scan this QR code to download the app now Unable to downgrade BIOS Legion 5 15ACH6H 5800H/3060 . I'm running this version of the bios and I have my vram set to 6gb. I've also tried restoring the BIOS config to "default" settings. Model number of the laptop is 16IAH7H Only link I could find for my model Reboot your laptop and while its starting mash F2 to get into bios, then find the option that mentioned downgrading bios and ensure its enabled and save and exit the bios. I have only tested this on Lenovo Ideapad gaming 3 15ACH6. It started giving mild cracking electric noise from motherboard . USB c to HDMI converter. Yes, Same issue. I'd love to know your experience on the most stable (i mean less Stuttering & no BSOD) version of BIOS you had for your Legion 5 Pro laptops. So it was worse than what I had before I update my bios. I have been seeing a lot of you guys are getting this bios updates but since I got the Lenovo legion pro 7i, I still haven't got this update. Then I read an article about downgrading the bios. The firmware causing the issue is "J8CN33WW". Jul 22, 2024 · hello, so my current bios update is J2CN57WW and i am having a problem with the temprature and my left fan i solve the temprature problem by disabiling the turbo boost and it kind of work but i notice somthing that my left fan not working properly so my right fan will be working hard and blowing air out but my left fan weak i saw some post saying to downgrad the bios update and i saw a reddit Jul 17, 2024 · Downgrading the BIOS on your Lenovo Legion laptop can be a necessary step for various reasons, such as resolving compatibility issues or reverting to a previous version. This package provides BIOS Update and is supported onLegion 5 Pro-16ACH6H, Legion 5-15ACH6H, Lenovo Legion 5 17ACH6H, Legion 7-16ACHg6 and running the following Operating Systems: Windows 10 (64-bit) and Windows 11 (64-bit) Hi! What year and model is this Legion 5 pro? Because I have read a thread here that someone downgraded a newly bought Legion 5 Pro with preinstalled windows 11 to windows 10, and he had problems such as trackpad not being detected, no wifi, etc. Official… So I decided to update my drivers for my <1 month old Legion Slim 5 16APH8. V3. I recently purchased a L5P and wanted to ensure whether it is safe to downgrade my BIOS version from GKCN54WW to GKCN24WW. Press F10 to save the configuration settings and exit. > Laptops > Legion Series Laptops > Legion 5-15ARH05 (Lenovo) Legion 5-15ARH05 (Lenovo) Sep 25, 2024 · And if you go to bios settings of Lenovo legion, at the overclocking part, you see the range of GPU frequency and its (1702-1852 MHz). Lenovo System Update: Lenovo System Update is used to update, and install Lenovo drivers, BIOS and applications. Legion 5 Slim 7840HS and 4060 having the same issue, with the latest drivers black screen after the Lenovo logo. So I was thinking of reverting to an older, more stable BIOS but I can't find any of the older versions online. The newer bios makes the machine run hotter, as well as removes the possibility of maxing out the fans with FN+Q. The update was supposed to fix the conservation mode turning off problem which it did but introduced an even bigger problem. Télécharger l'app Télécharger l’application Reddit Se connecter Se connecter à Reddit. Download the bios you want and simply run it. and am unable to find the BIOS file on the Lenovo website. Also not sure if they removed it in more recent BIOS since a lot of people said they can no This package updates the basic input/output system (BIOS) on "Lenovo Legion 5 15ACH6H/R70002021H/Lenovo Legion R7000P2021H/5 15ACH6H/5 17ACH6H/5 Pro 16ACH6H/R9000P2021H/7 16ACHg6/7 16ACHg6 1/R9000K2021H" Summary of changes ===== General Information: GKCN58WW: BIOS Notification : 1. And I downgrade my bios to the GKCN24WW (which is default bios version of Lenovo legion 5 2021 for AMD cpu's) and voila my fans are not spinning on quiet mode and my battery life was better than ever. 09 in any of the tabs, you should downgrade. Hold Fn. And it is awful, normaly I use silent mode and it was silent in IDLE mod, but after the instalation of the new BIOS the fans turn always and very noticeable, no more difference between silent and auto mode. I updated recently before two days. Because I am also planning on buying Legion 5 Pro then installing windows 10. Another thing: never rely on Lenovo Vantage for updates, check the latest version on Lenovo's Support site for your laptop manually. Lenovo just doesnt care and suggests useless solutions. Reply reply An unofficial forum for discussion of ASRock Products, News, BIOS updates and Troubleshooting. I wanted to give it a shot. problen is Lenovo only provides the current bios version afaik. . click "detect product" to get to the support site regarding your model go to "drivers and software" click on "select drivers" in the "manual update" section click on BIOS/UEFI right click on the download button of the latest BIOS update The laptop is now the doing the same thing and again I tried re-flashing the BIOS but that didn't do it this time. i heard about bios recovery using Lenovo deleted the old bios's from their site database, but I happen to have one(45ww which is the most stable in my opinion. This subreddit is community driven and not directly affiliated with Lenovo. Anyone on EUCN39WW? i'd really appreciate your feedback. true. Yesterday i updated my bios when i saw update recommendation from Lenovo Vantage. Hold power button for 30 second laptop powered of,stated it again,F2 worked,got to bios,nothing changed,exit bios-discard changes,got to windows,keyboard not working. So I've done a bios update for my Lenovo legion 5 2020 model about a week or 2 ago. My Update needs 10 Minutes abd the Screen go's on and Off many Times. It is only there with HX chips. Enable BIOS backflash. Welcome to /r/Lenovo, A place where Lenovo owners and prospective buyers can engage in discussion, solicit advice and post pictures. Looks like Lenovo have removed it from their website. I just placed an order for a Legion 7i with i7+3070ti, and I was wondering if the latest BIOS updates as well as Legion SPECTRUM still support Windows 10 so I can downgrade without any significant issues. Lenovo Vantage diagnostics test doesn't report any errors. I've tried every bios available to no avail but if you want to try, there is an option inside bios that enables bios downgrade ( its disabled by default and gets disabled every time after you upgrade/downgrade the bios). After windows recovery my Yoga 730s locked undervolting CPU. Hi, afifrafuq0307 Would you be able to share the Lenovo resource where you found those files. If the website doesn't work properly without JavaScript enabled. Question Welcome to /r/Lenovo, A place where Lenovo owners and prospective buyers can engage in discussion, solicit advice and post pictures. So I have a Lenovo Legion 7 Gen 6 and the new BIOS updates that addressed the security vulnerability (I think starting with 52WW or 53WW) messed up my experience badly. After reaching out in forums, I reverted the bios and the problem is gone. That will only work with newer version. Is there way to roll back my BIOS to the version the laptop was shipped with? Hello there. Now both do. One of the big reason is that Up until now all the BIOs update has supported undervolting by Throttlestop. Se connecter/S you can download old BIOS via this method: go to the Lenovo support site: support. If you just want to get the older version of your bios, go to lenovo pcsupport, enter your laptop model, go to drivers - BIOS, find and copy the link to download the current bios. Yesterday, I upgraded to the latest BIOS version. Pretty weird. If anyone has successfully downgraded their BIOS, I'd love to know how. My system is a "IdeaPad 5 Pro 14ARH7 " (6800HS). But I really do want to rollback my BIOS to G8CN20WW but don't have any idea how I can do it. This package provides BIOS Update and is supported on Legion Slim 5 16ARP9 and running in the following Operating Systems: Windows 11 (64-bit) SHOP SUPPORT I haev this laptop, updated the BIOS as it shown as a critical update on the Lenovo support site As soon as it reboots the whole RGB and keyboard backlight dont work anymore, I've tried: - Installing Drivers Manually - System Restore - Reinstall of Win11 -Reinstalling BIOS (Prevented because 'ROM version is the same') We would like to show you a description here but the site won’t allow us. Other than that, my device works perfectly without any hiccups. The reason for that was bios update. Boot into the More Settings screen as usual. I have the exact same model too, so no worries. I'm on the Legion Slim 7 w/ the Ryzen 9 5600HX and a 3060. Should be there. Mine is a recently released Lenovo Yoga Duet 7i. Hey! I downgradet to "EFCN51WW" with my Lenovo Legion 5 15IMH05H. I had some freesing issues which could only be rectified with a hard reboot of the power button and some other random crashes. bin file of current bios version from it , if there is no firmware folder then do the next step , turn on bios flash back in bios then delete "system firmware" under firmware tab in device manager (tick the attempt box while uninstalling it) then run the USB c to HDMI converter. This video is tailored for advanced users and covers the intr I'm still at FSCN13WW, because 2 years ago I've updated it to FSCN15WW and got issue with BIOS parameters auto-reset (for example, conservation mode stopped working after restart), so I was forced to downgrade back to 13th. PSA: legion laptops do support raid 0 and raid 1 despite what lenovo's support "specialist" tell you on their forums upvotes · comment r/LenovoLegion I experience no problems at all, once I set the battery power to 60% (to make the batterys life span last longer) in Lenovo Vantage in the settings (which somehow was reset when I flashed the bios), I am now running Windows 11 with the latest updates and I play video games daily, stream videos every now and then and make some video calls, without any hiccups. Thanks. lenovo. Then starting the Legion Go again, Download the v29 BIOS and Install again and wait Long. Turns out that the new BIOS seems to have removed the feature to set the thermal profile in the BIOS and when I boot into Linux (Kubuntu), my external display no longer works. Were there any recent changes before the battery issue happened? Did it work before? To downgrade the BIOS, you can use this Lenovo link forums guide to assist you https://lnv. My Legion 5 with 4800H and RTX 2060 came with FSCN14WW and I manually upgraded the BIOS to FSCN18WW because the color of the keyboard would reset after any restart. May 4, 2022 · It is worth noting that only some Lenovo Legion models are affected, and that includes the Legion 5 and 7 lineup. Lately my Lenovo legion 5 (15ACH6H, Ryzen 7 5800H, RTX 3060) fans have been revving up for no apparent reason even while idling. I have read from previous posts that it is safe with 32Gb DDR5 4800, but has anybody trie Welcome to /r/Lenovo, A place where Lenovo owners and prospective buyers can engage in discussion, solicit advice and post pictures. I would like to ask if I should download the BIOS/UEFI update (GKCN36WW). As far as I know, Lenovo doesn't allow the public to access previous bios versions, only the most recent. when i got the Lenovo Legion 5 Pro from factory last September 2021, it was running the GKCN36WW. This creates issue for mainly the in built camera that doesn't work but i don't mind it. 2ghz CPU clock. I want to downgrade back to original but don't remember the… For PC questions/assistance. As the title states, I am trying to downgrade my BIOS from GKCN49WW to an earlier BIOS due to battery performance issues. Here's one question, hope y'all won't mind. Then just replace 41 with 38 in this download link and try to get it. The light is Pulsing and I hear the fans rotating. drive is a realistic and immersive driving game, offering near-limitless possibilities and capable of doing just about anything! Well yes, it's not like they purposely make bad BIOS, but it's just the nature of software and the various different hardware configs out there, some people will be fine and then for some of us everything that could go wrong suddenly goes wrong, rule of thumb is don't bother updating your BIOS if it doesn't address anything that benefits you specifically, in Dell's case, the BIOS update only We would like to show you a description here but the site won’t allow us. I updated my bios to the latest version thinking they'd have the old files available if i need to downgrade or they were any problems. 140 Undervolting, 3. Discover discussions, news, reviews, and advice on finding the perfect gaming laptop. Tech Support Related Lenovo Public company Hello, can you help me with my problem. Therefore, I wanna downgrade the BIOS version since I'm not sure when the next version will come out and this problem is seriously hindering my ability to use the laptop without the charger. Any help is appreciated. I am having same cpu overheating issue on idle its going above 70, 80 and in gaming its 100plus i am playing games in quiet mode now for stable cpu temp i even ordered thermal paste but i want to downgrade to previous bios can anyone tell me how can i do it i didnt find any previous bios file on lenovo website only latest one i really want to downgrade. Get the Reddit app Scan this QR code to download the app now. If i downgrage my bios to efcn56ww will be it fine? My laptop is Lenovo legion 5 18 votes, 64 comments. Hello guys, I bought a legion 5 (15ACH6) three weeks ago and installed a custom OS that gets rid of alot of bloatware. Yea I think it maybe related to bios update too . So, i tried to find a minimum require voltage for exact 1852 Mhz. Press R. Hello Juste get my Legion today and I update my bios to 26WW because Lenovo support doesnt propose thé 25WW beta now I can use 6Go Vram ho toi downgrade it to 25WW ? [Video] How to check BIOS version; Lenovo tools to automatically update BIOS. Step 4: Modify the BIOS. Afterwards my laptop became noisy, there was this continuous static, low noise, sounded like an old computer reading/writing to its mechanical HDD with a blinking blue light. 03 of the bios. Laptop Model: Lenovo Legion 5i 15IMH6 82NL00AFPH CPU: I5 10500-h RAM: 1x8gb RAM Storage: 512gb SSD GPU: RTX 3050ti (95w) Jun 13, 2024 · This package provides BIOS Update and is supported on Legion 5-15ITH6H, Legion 5 Pro-16ITH6H, Legion 5-17ITH6, Legion 5-17ITH6H, Legion 5 Pro-16ITH6, Legion 5-15ITH6 and running the following Operating Systems: Windows 10 (64-bit) and Windows 11 (64-bit) And I downgrade my bios to the GKCN24WW (which is the default bios version of Lenovo legion 5 2021 for AMD CPU's) and voila my fans are not spinning on quiet mode and my battery life was better than ever. Members Online AMD 5700x cpu released, do I need to update the bios on a b450? Mar 12, 2025 · BIOS Update for Windows 11 (64-bit) - Legion 5 16IRX9. Just type your update bios version and see if it has issues in forums and reddit. I'm quite iffy to update rightaway due to previously reported BIOS issues, on EUCN28WW in particular. So a few days ago i bought lenovo legion slim 5 with RTX 4060 and amd ryzen 7 7840HS processor. I wanted to downgrade to see if that could help in battery life expectancy. If you have a specific Keyboard/Mouse/AnyPart that is doing something strange, include the model number i. Hello all, Long story short: I bought a Lenovo Legion Legion 5 15ACH6H (RTX 3060 + Ryzen 7 5800H) 2/3 months ago and today I've noticed a that the CPU was throttling because of the temperature (80ºC) when I was playing "It Takes Two" with a friend of mine, I was getting 120 FPS in High settings dropping to 70/80/90 sometimes. anyone knows which BIOS version comes from the factory with the legion 5 2021 R7 5800h/3070? thank you. Reply reply REVwazza The problem is, I can't even enter the BIOS. Please comment & share your experiences (include your Model as well) Love all. Boot to bios, load defaults, save. It's been months and still no official news! I turn to the bios GKCN53WW or GKCN54WW of the Legion 5 (2021), which by the way I even if I downgrade to a previous version Windows 11 automatically installs the firmware 53 for me! using the laptop only on battery has become a nightmare Go to BIOS by pressing f2 on boot. Everything was looking good at first but after updating bios i started having frequent BSOD every 5 to 10 minutes. Legion 5 Pro does not like the J2CN56WW BIOS update? Question I have a 16IAH7H model and recently have installed the new bios. Repeat… Anyway, I want to downgrade the BIOS on my laptop back to 8XCN34WW. So I just got a new legion 5 (1660 ti r7 4800H) and have only updated windows so far and enabled hybrid mode in the vantage app as well as checked in the vantage app to check for updates which there weren't any. I have searched for too long and cant find a detailed guide on how can I rollback my BIOS. I upgraded the BIOS using Lenovo Vantage in Windows. Only windows updates till now. Boot to bios, if its still not there, shut down, hold it another 30 secs, it will boot then shut off before it starts, then boot into bios. Don't ever do downgrade, I'm warning you or you may break your computer and have to waste money and many weeks for repairs that lenovo need. For example my GPU throttle so much, after the downgrade to v49 all the issues suddenly disappeared. 2nd way better option - If you go in the system bios, there is a setting for the dgpu power where you can select the base power (pre dynamic boost) to either 80watts or 70watts. Go into bios, Configuration, and enable "BIOS Backflash", then save&exit. maybe its bios problem idk but iam As the title says, I'm trying to access my Lenovo Legion 5 15ARH05H BIOS. Since then I've been ignoring BIOS updates just to be safe. On Reddit you will find many ppl with the exact same problem. Feb 15, 2025 · Like the title said, i want to downgrade the bios just to test something weird happened with this laptop, when i plug the batterie on the Motherboard (With or without the charger in) the CPU frequency drop and caps on 0. If you don't have Bios flashback enabled in your bios, go to the bios screen and turn it on. Press the F2 key to enter the Lenovo BIOS => Advanced settings => Enable 'BIOS Backflash' option. Or check it out in the app stores &nbsp; lenovo legion 5 pro 16ACH6H bios older version . The BIOS update version GKCN53WW causes random Blue Screen of Death Errors with a Yeah, there's an option to downgrade the bios, but you must first go into the bios and enable said option in the first place else it won't allow you to do so as the option is disabled by default, at least that's how it is on my legion 7i 2021. bios rule of thumb with these, if it ain't broke, don't break it. 5 Hi Everyone. I don't see previous bios version available, can you suggest how to rollback to previous version Hey guys I need some help. Do not touch the laptop after you start until its back in Windows, it may seem like its stalled but just let it do its thing. Legion 5 15ARH05. Them Boot Up to the BIOS (Power on and Volume Up until the BIOS Screen). Did 4 clean Windows reinstalls and I can confirm it is just the Nvidia driver. I broke my habit of not updating bios and installed them in my new Slim 5. I am using 32WW BIOS, . Anyway, I want to downgrade the BIOS on my laptop back to 8XCN34WW. read it could be a bios issue so wanna try to downgrade. And that fixed it. I've been experiencing intense black flickering when setting games to fullscreen, and suspect this might have something to do with it. 14) version to 1. 68 votes, 113 comments. I tried searching Lenovo's website, but I couldn't find the previous BIOS version. How can i downgrade my bios if i don't know which version was previous. The laptop currently lasts roughly 2 hours and 30 minutes uncharged with quiet mode/hybrid mode and 60 Hz on. However starting with KWCN44WW dated 28th of March 2024, this seems to have been disabled either completely or partially, allowing UV through Vantage software. What should I do now? How do I downgrade the BIOS? Any help regarding the same is much appreciated. So you have been warned! Press F2 when turning on PC ->BIOS Shown ->Click on right side “More Settings ” ->New BIOS screen is shown ->Click on Configuration and scroll down until you see an option BIOS Back Flash and select Enabled ->Select Exit ->Choose Exit and Save Log into Windows and flash the one you need to go back to and that is it If you wanted to do that you'd need to download the BIOS version you desire, enable BIOS back-flashing in the BIOS, then run the file to update to the older BIOS. Connect the Legion Go to a TV. Regardless, for me, running the Legion balance plan with the 130w bios works better capped at 80 watts than the stock bios at full tilt 100watts. I was dealing with massive fluctuations with GPU power throttling and my games would go from 100+ fps to 15-20 fps intermittently. If you go to your bios by the steps in this post and see 1. I am an owner of Legion Pro 5 16IRX8 and have been moderately happy with the unit. Press N. My laptops now getting graphical artifacts with random black squares appearing on the monitors and the laptop occasionally crashing and also graphics performance is worse. We understand what is going on. Hold power for 30seconds. e. Navigate to the Boot tab and make sure the USB drive shows up under the EFI boot devices. Fixed Welcome to Lenovo and Motorola community. 03 has a new kernel and can’t be unrolled back. Rtx 4060 with Amd cpu. Or check it out in the app stores &nbsp; lenovo legion 5 pro 16ACH6H bios older version Related Lenovo Public company Business Business, Economics, and Finance forward back r/BeamNG BeamNG. 13. I've tried methods stated on the internet like pressing F10 or F1 keys upon startup or when I see the Legion logo but nothing seems to work. TC. Then download the bios in the below link (make sure it's version N3CN28WW) and just run the installer. 5W lowest value and averaging around 9. I want to downgrade the BIOS. OK hold power for 30 second,it shut of,power up,got to windows,keyboard worked,OK lets check is the keyboard works in the bios now,it did not. 35K subscribers in the LegionGo community. Reboot into the BIOS (for me I spam the F2 key when powering on the system). I’ve updated my Bios/uefi yesterday with v3. I brought my Lenovo Legion 5 earlier this year (10 June 2022) and ever since it's had poor battery life. Unfortunately, I'm experiencing unusual behavior of the unit afterwards, like the unit being hot to the touch when I charged it for 40min while on sleep and the battery cycles reported by Lenovo Vantage suddenly shooting up from 1 to 14. The BIOS installer will tell you if it is not set. From Lenovo online reference this model only supports 16G DDR5 4800, but on the Crucial website this model is compatible with DDR5 5600/5200. 4GHZ and if i unplug the cable of the batterie from the motherboard and run with the charger, everything works fine the CPU runs at max speed. [2] Boot to windows, install the older BIOS on charger by running downloaded exe file hello, i tried to downgrade my lenovo Y7000 2019 PG0 gaming laptop's bios which was the bhcn41ww to bhcn27ww the downgrade went without no issue but after first startup i got black screen and only power led and fan running nothing else. After downgrading the bios, performance for the same test increased to 101-102 FPS and remained around that value. For further assistance be sure to visit us at our Discord Server to get help from our wonderful community!. For me the FurMark stress test ran in 1920*1200 pixels resulted in a medium framerate of 63 fps and after a few minutes dropped to 30 ish or so. Personal advice, don't update bios on Lenovo laptops unless it offering something you really need or you have a problem and bios update is a recommended action. (GKCN34WW) of course I have downloaded and so I wonder if I should download this as well. I usually update every single one but the latest bios for L7 brought me a lot of problems. (for Local repair) But be sure to tell them to update the motherboard's (serial, model name, etc). Please enable it to continue. the first BIOS update that i did was the GKCN40WW and honestly, i had no issues or whatsoever. Should I be concerned? Jan 28, 2024 · This package provides BIOS Update and is supported on Legion 5-15ARH05H, Legion 5-17ARH05H, Legion 5P-15ARH05H and running the following Operating Systems: Windows 10 (64-bit) Also, make sure sure that you can always roll back to a previous version of BIOS (enable the flashback option in BIOS settings of your Legion). Call Lenovo support or go to a local repairshop(it can come cheaper like mine did 50$). Then go to c drive, BIOS folder, install BIOS version you wish. In my particular example I used a Legion Slim 5 16APH8. But is has some flaws, I can not use "Battery save mode" anymore. Just copy the link of the latest bios download from lenovo support and change the version accordingly. Release Fn. Laptop rear elevated by 1 inch But I saw in the comments of some other posts, that people advised to downgrade from ver 53, because it is full of bugs, I know nothing about how bios works, and I wanted to ask if those bugs appear to all configs or just a few (mainly concerned about mine) and if I could damage my pc somehow or shorten the longevity of it by just leaving it as Welcome to /r/Lenovo, A place where Lenovo owners and prospective buyers can engage in discussion, solicit advice and post pictures. Lenovo seems to have deleted all of them. Cheers! Need help. But in my case,I had the same issue on Legion 5 Pro 16ACH6H with 5800H and 3060, downgraded and updated Bios versions from 20 (the oldest) to the latest 59 build and i've monitored battery drawning values and i did not see any changes, although a little can be seen, on older BIOS version i've had an 8. Them you must activate the Option (downgrade BIOS). Hi, u/HAANNZOO. I recently read that downgrading BIOS to GKCN24WW is extremely helpful in prolonging battery life usage. View community ranking In the Top 5% of largest communities on Reddit. Go back into windows, open the bios setup file, install it like you do with new bios and be careful. I mistakenly auto-update my BIOS w/ Vantage to version HACN35WW. gy/3tI673A For the battery drain, several factors could affect this, how many background apps are you using? Posted by u/[Deleted Account] - 6 votes and 56 comments I had the the same issue and did a downgrade to LPCN42WW with no problem. SHOP About Lenovo. This issue persists despite cleaning them. It's the version with Ryzen 7 4800H, 512 SSD and a GTX 1660ti. Temperature is 75-80c CPU and 67-70 GPU. Need to downgrade BIOS Yoga 730-15IKB from 7KCN33WW(V1. Downgrade BIOS Lenovo Legion 7 16ARHA7 (Black random screens at any moment, Leaks of either RAM I have a Legion Slim 5 14. However, now I have some weird BSODs couple times per week. STEPS TO DOWNGRADE BIOS: Reboot PC + Enter BIOS (After reboot press the F2 key); Welcome to /r/Lenovo, A place where Lenovo owners and prospective buyers can engage in discussion, solicit advice and post pictures. We would like to show you a description here but the site won’t allow us. Any help is greatly appreciated ;D So it was worse than what I had before I update my bios. (ensure system is plugged-in and follow carefully all warnings of bios installation window) Neither OS had these issues before hand. \