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Lenovo G400s Dolby does not work after BIOS update

Q: Lenovo G400s Dolby does not work after BIOS update

Hi,I need some help, my dolby v2 on lenovo g400s doesn't work at all.i just update my bios from 7BC21WW (V1.05) to 7BC38WW(V2.04) it causing my dolby doesn't work and swapped the function of f1-f12.i managed to enable the function of f1-f12 through bios configbut i still can't fix the dolby audio and i'm already reinstall the driver but it doesn't affect anything.maybe anyone have the bios version 7BC21WW (V1.05) so i can revert it.or any suggestion? thank you so much.

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RELEVANCY SCORE 200
Preferred Solution: Lenovo G400s Dolby does not work after BIOS update

I recommend downloading and running DAP. It can help sort out any driver and firmware related issues on your system

It's worked out well for many of us in the past.

You can download it direct from this link http://downloaddap.org. (This link will open the download page of DAP so you can save a copy to your computer.)

RELEVANCY SCORE 94.4

I update my Bios to the version 2.02 to 2.04 but after the process I see some troubles, the new bios don't recognize the vendor and the motherboard and others lenovo codes. I make my backup from original rom. I'd like to knwo how can I proceed to the fallback the bios. My Bios Backup: https://drive.google.com/open?id=0BzjGQLE5VTeec0N0SzZhUkd4OHM  


























pc.png ?119 KB

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RELEVANCY SCORE 90.8

 I am using a Lenovo Laptop G400s touch that came with Windows 8 preinstalled. Yesterday I updated it to Windows 10 and after that whenever I boot my pc to desktop I get an error message saying that "Unable to start the Dolby audio driver". I tried below thread but I couldn't find audio driver for G400s. Please help me to get Windows 10 audio driver to perform the reinstallation. https://forums.lenovo.com/t5/Lenovo-B-and-G-Series-Notebooks/Unable-to-start-the-Dolby-audio-driver-... 

A:Lenovo Notebook G400s touch Dolby Audio Driver Win...

Hi iyyappan_3,
 
Welcome to Lenovo Community Forums!
First make sure that the Audio driver and the dolby will be in sync.
Open Device Manager 
    Uninstall the Audio Device Under Sound and gaming controllers / Make sure to place a check in the Delete driver software prompt.
           
Now make sure you don't have any dolby components
    Proceed to Control Panel / Programs / Uninstall a Program
                     Uninstall all Dolby Related programs
                             Restart if Prompted
Now install this software driver
 
 https://download.lenovo.com/consumer/mobiles/audio142w81.exe
When you install this software it will show you a directory path whre it will extract, Make sure to Remember the path
 
This next xtep is important

Open the directory path where the Audio driver installer extracted the Audio driver.

Check all the folders inside it and find the Dolby Installers, Install the Dolby either Advanced audio or Digital plus.
 
ANd you should now get your dolby back
 
Hope this helps
Cheers!
 
 
 



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RELEVANCY SCORE 67.2

Hi,  Today I've decided to update to the BIOS version 2.0 to my Thinkpad Helix according to the Drivers published in the support page.  After that, the touchpad is not working anymore. I've applied different things like for example Function Key + F6 and nothing.  Does anyone have an idea of how to solve this?  This is the log file after the update: [2018/7/21 9:9:48] version 25.32OS = Windows 10 64bitDriver Loading....DoneSystem BIOS Version -> N17ET72WApplying BIOS Version -> N17ETA0WSystem EC Version -> N17HT63WApplying EC Version -> N17HT66WAC adapter/Battery check....OK.BIOS Flashing....BIOS Flash completed.EC Flashing....EC Flash completed. Regards! Jesus Guevara    

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RELEVANCY SCORE 66.4

Hello,I want to increase bass, but I don't know, how can I do it. Should I setup EQ in Dolby Audio? Where can I update Dolby Audio?Thanks in advice

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RELEVANCY SCORE 64.8

necesito ayuda sobre el codigo W1HMTTHUH-MW4LXE, quiero saber que es el estado de prueba smart y como puedo arreglarlo, muchas gracias Aqui un copy paste de el error:Prueba de estado SMARTErrorPrueba de lectura dirigidaAprobadoPrueba de búsqueda aleatoriaAprobadoPrueba de búsqueda canalizadaAprobadoAutoprueba breve SMARTErrorAutoprueba de unidad SMARTError

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RELEVANCY SCORE 63.6

Hi,I'm now using Ideapad Z510. After upgraded to Windows 8.1. I'd went to the Lenovo website searching for new driver update.But, after i install the "Realtek Audio Driver 6.0.1.7023", the "Dolby Home Theater V4" is not running(audio sound not playing through).And, the "Dolby Digital Plus" is running instead of "Dolby Home Theater V4".Then, when I try to reinstall the older version "Realtek Audio Driver 6.0.1.6954" from Lenovo website, the "Dolby Home Theater V4" is running again.Truly, the "Dolby Digital Plus"'s sound is crisper and louder than "Dolby Home Theater V4". But the sound of "Dolby Home Theater V4" has more bass and more function (like Graphic Equalizer, more Intelligent Equalizer etc.).Is this an update or what?What should I choose?The newer driver (for Windows 8.1) or older driver (for Dolby Home Theater V4)?  Thanks. (confused now) @@

A:Dolby Home Theater V4 changed to Dolby Digital Plus after Realtek Audio Driver update Windows 8.1

I only installed audio driver ver. 6.0.1.6798 which includes Dolby Home Theater V4. Since no issues are encountered I have not updated to the latest version for my unit (ver. 6.0.1.7027). Does this Dolby Digital Plus mentioned by you better than V4 in some aspect aside from the ones that you already stated?

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RELEVANCY SCORE 62

I had upgraded my Y500 from Windows 8.1 to 10. Before, I had One Key Theater installed and it worked perfectly fine. I didn't have the Dobly Home Theater app. The Windows 10 Creator's Update came to my laptop and I upgraded last week Wednesday. On Friday, my laptop wouldn't boot up, not sure if this is related to the Creators update. I couldn't perform Start-up Repair, System Recovery nor a PC Refresh. I ended up having to reinstall Windows 10 from a recovery drive I created a while back. My laptop is now recovered except for the tedious part of reinstalling all my apps. I've been trying to reinstall One Key Theater and I keep getting an error message saying that this application does not work for this version of Windows. Furthermore, I noticed the Dolby Home Theater application but it does not work. The icon appears in the notification area of the task bar but whenever I try to open the application fully, it crashes.I've seen posts about these very same problem for Dolby Home Theater and they all recommend uninstalling and reinstalling the audio driver and also reinstalling Dolby Home Theater which I've done a couple times now but this still does not work.Will Lenovo be releasing a version of One Key Theater that works for Windows 10 Creators Update?Will a fix come out for this problem with Dolby Home Theater?Has anyone found a solution?

A:Lenovo One Key Theater Won't Install and Dolby Home Theater Doesn't Work Either

Reference this:https://pcsupport.lenovo.com/us/en/solutions/HT104006

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RELEVANCY SCORE 61.6

I'm a new owner of a Flex 4-1570 Ideapad. I have a critical update awaiting install, however the window popup says it is for the YOGA not the Flex. Thus, I have not installed it. My question is, should I install it? If not, how do I turn the notification off? Thanks! 

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RELEVANCY SCORE 61.2

Hello , can I replace my lenovo g400s battery with a S400 battery ?I could not find g400s battery in my country

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RELEVANCY SCORE 60.4

Greetings everyone,I new at this forum and i'd like to know, IF is possible change my processor to a i7 4700MQ.My configuration:Notebook Lenovo IdeaPad G400sModel: 80ACSeries: PE00FFXC - PN: 80AC000DBR 4GB RAMHDD SATA 5400rpm, 1 TerabiteProcessor: i5-3250M. @2,60GHzSO: Windows 10 Pro Thank you all for now

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RELEVANCY SCORE 60.4

Lenovo G400s
Model Name: 20244
Mfg Date: 14/01/15
S/N: CB******** P/N: 59392001
Processor: Intel® Celeron® Processor 1005M 2M Cache, 1.90 GHz
Ram: 6 GB 
OS: Windows 10 Pro
 
Moderator note: serial number removed to prevent abuse.

A:Can I Upgrade Lenovo G400s Processor ?

Hi HRIDOY007,
 
Welcome to the Community Forums.
 
Checking on your systemboard shows PN 90003110 VILG2 MB UMA HM70. It appears similar to this discussion:
 
HM70 Express Chipset. This Motherboard chipset only supports limited number of processor  http://ark.intel.com/products/67419/Intel-BD82HM70-PCH#@compatibility 
 
If the machine comes with a Intel HM70 Express chipset then the CPU upgrade is only limited to the Intel Celeron/Pentium series.
 
I hope this helps answer your query.
 
Regards
 

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RELEVANCY SCORE 60

I'm currently facing a problem which is1. When I've on my laptops, It turn into bluescreen after loading window icons,2. It ask me to startup repair always.3. Keep loop eventho It repair finish. The Startup Error is: Disk Error I only able to startup my computer after reformat it.It's been annoiying me since few days ago as It keep popout this problem everyday. Previously was just to format every 3~5months.

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RELEVANCY SCORE 60

The hard drive of my lenovo G400 is died, and I need to change it, I wanted to know if the lenovo community could recommend me hard drive brands buy these are my options, but I do not know if they serve in my lenovo, someone knows if all these serve him or which not? Thank you: WD Green 3.5" Disque dur interne 1 To intellipower 64 Mo SATA 6Gb/s (WD10EZRX - bulk)       https://www.amazon.fr/Green-Disque-interne-intellipower-WD10EZRX/dp/B006GDVREI/ref=sr_1_16?ie=UTF8&q...Seagate FireCuda ST1000LX015 Disque Dur Hybrid SSD Interne 6,4 cm (2,5"), 1 To, SATA 6Gb/s, Noir    https://www.amazon.fr/Seagate-FireCuda-ST1000LX015-Disque-Interne/dp/B01LXNUKKW/ref=sr_1_3?ie=UTF8&q...Western digital - WD Caviar Blue Disque Dur Interne 3,5'' - SATA - 1000 GB        https://www.amazon.fr/Western-digital-Caviar-Disque-Interne/dp/B0088PUEPK/ref=sr_1_4?ie=UTF8&qid=150...Seagate ST1000DX002 Disque Dur Interne 1 To SATA III         https://www.amazon.fr/Seagate-ST1000DX002-Disque-Interne-SATA/dp/B01ICLGJ8U/ref=sr_1_5?ie=UTF8&qid=1...Toshiba P300 1 To Disques internes (8,9 cm (3,5"), SATA)         https://www.amazon.fr/Toshiba-P300-Disques-internes-SATA/dp/B013J7IN86/ref=sr_1_6?ie=UTF8&qid=150676...TOSHIBA P300 disque dur interne 1 To ? 3,5" (pouces) ? disque dur SATA (HDD) ? 7200 tours par minute (tpm) ? 6 Go/s                 &... Read more

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RELEVANCY SCORE 60

Hello My name's Edison I have a Laptop, Lenovo G400s touch here is the Specs of the systemIntel Pentium 2020m 2.4 GhzNvidia Geforce GT 720m2Gb Ram 1600mhz SODIMM + 4gb ram 1600mhz Can someone please give me all the compatible "Processors" for my laptop as it is struggling even on the oldest games I would prefer stronger processors than my "Pentium 2020m". Lenovo G400s Touch 80AUModel 59407951Serial#CB28599271

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RELEVANCY SCORE 60

Bom dia, preciso saber se posso atualizar a memória do meu notebook para um SSD nvme. Aguardo resposta, obrigado. 

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RELEVANCY SCORE 60

The hard drive of my lenovo G400 is died, and I need to change it, I wanted to know if the lenovo community could recommend me hard drive brands buy these are my options, but I do not know if they serve in my lenovo, someone knows if all these serve him or which not? Thank you: WD Green 3.5" Disque dur interne 1 To intellipower 64 Mo SATA 6Gb/s (WD10EZRX - bulk)       https://www.amazon.fr/Green-Disque-interne-intellipower-WD10EZRX/dp/B006GDVREI/ref=sr_1_16?ie=UTF8&q...Seagate FireCuda ST1000LX015 Disque Dur Hybrid SSD Interne 6,4 cm (2,5"), 1 To, SATA 6Gb/s, Noir    https://www.amazon.fr/Seagate-FireCuda-ST1000LX015-Disque-Interne/dp/B01LXNUKKW/ref=sr_1_3?ie=UTF8&q...Western digital - WD Caviar Blue Disque Dur Interne 3,5'' - SATA - 1000 GB        https://www.amazon.fr/Western-digital-Caviar-Disque-Interne/dp/B0088PUEPK/ref=sr_1_4?ie=UTF8&qid=150...Seagate ST1000DX002 Disque Dur Interne 1 To SATA III         https://www.amazon.fr/Seagate-ST1000DX002-Disque-Interne-SATA/dp/B01ICLGJ8U/ref=sr_1_5?ie=UTF8&qid=1...Toshiba P300 1 To Disques internes (8,9 cm (3,5"), SATA)         https://www.amazon.fr/Toshiba-P300-Disques-internes-SATA/dp/B013J7IN86/ref=sr_1_6?ie=UTF8&qid=150676...TOSHIBA P300 disque dur interne 1 To ? 3,5" (pouces) ? disque dur SATA (HDD) ? 7200 tours par minute (tpm) ? 6 Go/s                 &... Read more

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RELEVANCY SCORE 59.2

Hello, I have some problem with battery. The issue start when 1 week ago. My notebook sometimes does not charge while I plugged in the adaptors to the notebook. After I turn off the notebook. I turn on it 3hours later and become a normal while I plugged in the adaptors into the notebook and charged very well. But, now I have same problem again with this.So, I do not know why this is happening and how to solve it.Please help me to handle it.Thank you very much.Regards.

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RELEVANCY SCORE 59.2

I just bought Lenovo G400s notebook last day , i would like to use the standard F1-F12 key in some application/ software. The problem is that instead of just pressing F2 I have to now press and hold the Fn key + F2. Is there a way to switch back to standard key just like the software for usb slim keyboard? I checked my BIOS there are no option to switch Fn Key or hotkey mode, Fn Key Lock option under the Configuration tab. Any solution can solve my problem?  Thanks













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A:Lenovo G400s keyboard "reverse Fn key" Problem! Any solution?

hi Knightzk02,
 
Thanks for using Lenovo Community Forums!
 
You concern might me similar to this thread.
http://forums.lenovo.com/t5/IdeaPad-Y-U-V-Z-and-P-series/How-do-I-invert-the-F-keys-and-the-Fn-keys-...
 
Hope that helps
Cheers!





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RELEVANCY SCORE 59.2

Ok, so, about a year ago I bought for my GF's birthday a G400s, and oh boy, if I knew it would be one of my worst purchases ever made, I swear to the seven heavens that I would just give the money to the charity... So the problems started with the Samsung HDD that came with the notebook, it stopped working in 3 months after the purchase, then after a long battle with Lenovo Brazil (witch by the way, is one of the worse company that I had the displeasure of ever getting to speak with their Customer support), I gave up and bought a new HDD and changed it by myself. Then again, the notebook made a favor of frying the HDD... Then after that I changed again, and guess what? The notebook won't boot up again!!!

























WP_20160825_002.jpg ?1972 KB

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RELEVANCY SCORE 59.2

i having problem all my network diable after go to sleep mode, i need to restart my laptop than okhttp://answers.microsoft.com/en-us/windows/wiki/windows8_1-networking/wi-fi-wont-reconnect-after-sle...i following windows how to fix but still not fix .....my solution i downgrade to windows 7 because i see windows 7 lenovo power management driver have system enable wifi or disable ....... so far okey no problembut i hope have any solution for winows 8.1 n windows 10... i sent the problem i face windows say my laptop problem..but i see so many people face this problem .... but maybe true because some of laptop only because my laptop g50-80e windows 8.1 no issu like this.... so i hope lenovo team can help me...

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RELEVANCY SCORE 58.8

Hi, i have a custom bios on my g400s and after a change the VRAM to 1024 (i know it was stupid), the laptop rebooted and now it reboots every 5s. The screen is blank, there's no beep, nothing, just keep restarting. I tried to turn it on without the battery, remove de CMOS battery, tested the ram sticks, but no luck yet. I also tried to a bios recovery with a usb stick and pressing fn + b, the fan goes full speed, i waited for an hour, but the led on the usb stick dont even turn on. I dont know what to do now, please,help me!

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RELEVANCY SCORE 58.8

https://download.lenovo.com/pccbbs/mobiles/n2euj13w.exe is a dead link from the 20MF000MUS model's bios update.













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A:Lenovo X1 Extreme Bios update file missing from Lenovo server

https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/X1-EXTREME-G1-BIOS-UPDATE-1-22-SUPERVISOR-PAS...

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RELEVANCY SCORE 58.8

Hi I have lenovo G400s touch laptop. It has following display adapter: Intel(R) HD Graphics 4000NVIDIA GeForce GT 720MI have a QHD External Monitor having 2560 * 1440 native resolution. On connecting my Lenovo laptop and Monitor with a branded 4K HDMI cable, I still gets FHD (1920 * 1080 resolution). I am having tough time to find the solution online. I have installed latest drivers for both the above adapters. Still only FHD resolution.  I also find GeForce GT 720M supports QHD as mentioned in specification: https://www.geforce.com/hardware/notebook-gpus/geforce-gt-720m/specifications Please let me know I need to upgrade the adpater. If yes, which one will support G400s touch laptop. ThanksMohnish  

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RELEVANCY SCORE 58.8

While dowgrading Lenovo g400s windows 8 to 7 the setup was stopped. When I press the restart button then it keeps restarting itself. I can enter into Bios but can't boot from any device (HDD, USB, DVD, CD) It gives message "Auto reboot (EC coldboot) count = xxxx. When tried to boot from usb, It loads only a few files then starts restarting

A:Lenovo g400s auto reboot (ec coldboot) count=2000

hi gapgrg,
 
Welcome to Lenovo Community Forums!
 
Have you tried Pressing the novo menue and try accessing the recovery.
   You might still be able to put back the original os back and start with the downgrade again.
 
You can also try booting from the DVD / CD or USB but you have to check if these settings in the BIOS are met.
 
 
Got to Exit Tab and Change OS Optimized Default to Other OS
 
  Save and exit the boot into BIOs again
  Under Boot Tab
          Change Boot mode to Legacy
           USB Boot should be enabled
    Under Security
          Secure Boot Has to Be disabled
          
Once All are Set Make sure to save all changed by hitting F10 and enter for Yes
    After Hitting enter It will Restart and You have to keep on tapping F12
       this should pull up the Boot Menu letting you select where to boot. You should have now your USB Stick as an Option or DVD/CD. Try to boot from those
 
Hope this helps
Let me know your findings
Cheers!
     





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RELEVANCY SCORE 58.4

So it's not a huge problem, but after updating the BIOS on my T480 from V1.17 to the current release V1.24 the Lenovo Vantage tool still reports (on lower right corner of screen) that I have BIOS V1.17 installed. The update installed normally and I have verified that V1.24 is installed Boot --> F1 --> reviewed installed version. I thought you guys at Lenovo might want to check it out. I do have the current version of Vantage installed (latest version offered by the Microsoft Store for Win 10 Pro): V 4.27.32.0





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A:Lenovo Vantage reports incorrect BIOS version after BIOS update

 
 
See below.  Basically Vantage "may not"  show current BIOS version.  It will eventually "catch up".  The data is cached.
 
https://support.lenovo.com/us/en/solutions/ht506091

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RELEVANCY SCORE 58.4

Hello everyone! I ama new user and i am coming up with this post as I couldn`t find any kind of solution for my problem.Recently I decided to do a reinstallation of my operating system, which also previously was Windows 7 Ultimate (x64). The installation went as usual, and after finishing it I went on to install all the latest drivers from the Lenovo site, for my product. When getting close to installing almost all the drivers i`ve needed, i stumbled upon a new version of the BIOS amnd the drivers and sfotware recommended for my laptop, by the producer. So i proceeded to install the upgrade, restarted the computer when it prompted me to do so, but after the so-called restart the laptop did not boot up as usual. At first it was telling me to not do anything as the BIOS is being flashed and then it was telling me something about some sort of image processing, things that i did not understand at the time (i have never encountered anything like that). After that my screen turned black. I have not done anything for a few couple of minutes as i thought it was supposed to be like that, but then i just force shut it down and unplugged the AC adapter. When trying to boot it all up again, the only thing i got was a black screen and nothing else.After doing a little bit of research it appears that, somehowm i`ve managed to corrupt the bios on my laptop or something, and nothing else would work at this point. I tried to remove the BIOS battery and the ram and then put them all back, trye... Read more

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RELEVANCY SCORE 58.4

The last time I updated the BIOS on my Lenovo V110-15ISK I got this instruction that I didn't understand (5. Please load default in BIOS setup menu before and after executing this program.) It took me a while to figure it out but when I finally did I updated the BIOS & had no issues I'm posting this info to make it easier for others to do the same  Follow the instructions to enter the BIOS settings from Windows 10 1) Click all setting?Update&Security?Recover2)Click Restart now3)Click troubleshoot4)Click Advanced options5)Select UEFI firmware settingsThe screen will fade to black & enter the BIOS Setup Utility6)Use the Arrow?Keys to select the EXIT menu7)Select Load Setup Default & Click Enter?Select YES & Click Enter8)Select Exit & Save Changes & Click Enter?Select YES & Click EnterYour PC will now restart & you can begin the BIOS updateRemember to follow these steps before & after the update  Follow the instructions to enter the BIOS settings from the power on screen 1)Restart the system or shut down the PC completely,  the screen will dim off, but it will light up again 2)As soon as you see the ?Lenovo? logo Press F2 (Fn+F2) key The screen will now enter the BIOS Setup Utility3)Use the Arrow?Keys to select the EXIT menu4)Select Load Setup Default & Click Enter?Select YES & Click Enter5)Select Exit & Save Changes & Click Enter?Sele... Read more

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RELEVANCY SCORE 58.4

I?m currently updating the BIOS of some Lenovo ThinkCentre M83 PC´s and I came across a problem. The Flash UEFI BIOS update (provide by Lenovo) worked almost perfectly on the first PC´s, despite it didn?t automatically open the console and started the flashing process.Anyways I did go on with my work. Almost all other PC´s had the problem that when the second phase (yellow font)/ afudos.exe imagefb.rom /defans /capsule /b /n /r /sp started the afuwin.exe stopped working (it crashed). It seemed like the Update wouldn?t get done this way so I decided to try it with the USB Flash method, also provided by Lenovo, but it also didn?t work. It says in the second phase ?15 - Error: Secure Flash function is not supported on this platform? Last but not least I tried to update the BIOS with the CD-ISO but when updating with this method it says that the BIOS-Version is too old. Some information about the system: ThinkCenter M83Type: 10BE0003GEOS: Windows 7 SP1 64bitBIOS-Revision: FBKT73AUSBIOS last Updated: 01.April.2014 Furthermore Information what I found out:BIOS-Revision seems to not matter (same version but some worked some not)Doesn?t matter if BIOS is set to UEFI only or Legacy onlySecure Boot also seems like it doesn?t matter if it´s on or notWhen the afuwin.exe crashes it only writes a return codeI use the update provided by this Page from Lenovo (Update: fbjycpusa)https://pcsupport.lenovo.com/de/de/downloads/ds035753 Thanks... Read more

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RELEVANCY SCORE 58.4

The last time I updated the BIOS on my Lenovo V110-15ISK I got this instruction that I didn't understand (5. Please load default in BIOS setup menu before and after executing this program.) It took me a while to figure it out but when I finally did I updated the BIOS & had no issues I'm posting this info to make it easier for others to do the same  Follow the instructions to enter the BIOS settings from Windows 10 1) Click all setting?Update&Security?Recover2)Click Restart now3)Click troubleshoot4)Click Advanced options5)Select UEFI firmware settingsThe screen will fade to black & enter the BIOS Setup Utility6)Use the Arrow?Keys to select the EXIT menu7)Select Load Setup Default & Click Enter?Select YES & Click Enter8)Select Exit & Save Changes & Click Enter?Select YES & Click EnterYour PC will now restart & you can begin the BIOS updateRemember to follow these steps before & after the update  Follow the instructions to enter the BIOS settings from the power on screen 1)Restart the system or shut down the PC completely,  the screen will dim off, but it will light up again 2)As soon as you see the ?Lenovo? logo Press F2 (Fn+F2) key The screen will now enter the BIOS Setup Utility3)Use the Arrow?Keys to select the EXIT menu4)Select Load Setup Default & Click Enter?Select YES & Click Enter5)Select Exit & Save Changes & Click Enter?Sele... Read more

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RELEVANCY SCORE 58.4

Hi. I have a Lenovo B50-30 mode 80ES. It was set to require a password on startup starting with a capital "A". While experiencing charging problems, amongst other things, I updated the BIOS to 9CCN35WW, downloaded from the Lenovo support site. Since updating, the laptop no longer asks for a password on startup (No big deal, I applied a windows password), however, when pressing F2 to access the BIOS (which I need to do, the F keys are the wrong way round), it asks for a password, When pressing to strike a capital A, the laptop beeps and doesnt enter it. It wont accept capital letters anymore, therefore it wont accept the pre BIOS update password. I have referred the laptop to Lenovo service, including returning the laptop, and they have been nothing short of useless. They said they couldnt repair it under warranty because of "Marks, cracks, inappropriate treatment" and it would cost £255 for a replacement system board. I really couldnt see why I should pay for an issue created by their support system, so I asked them to return it unrepaired. Upon arrival, the laptop was immaculate, so I dont know what damage they were referring to. Is it possible to downgrade the BIOS to a pre update revision, to change the password and then reset it to one the new BIOS approves of? Thankyou in advance.

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RELEVANCY SCORE 57.6

Hello, Problem 1:I've set the supervisor password some time ago on my T450s. I think I used the special character "!" which was accepted at that time, but I'm not sure anymore today. Now after severeal BIOS updates the "!" only leads to a beep of the system and I also tried all of my standard-passwords without "!" , but without success. Problem 2:Now I've tried to roll back to older BIOS versions to try if one of these accepts the "!". But every version I tried leads to a "secure flash authentication failed"-error after the reboot of the laptop to actually flash the BIOS. The following link says its the Rollback Prevention Enabled, but I checked in BIOS and it's clearly disabled.https://support.lenovo.com/sg/de/solutions/ht117858 Now I have no idea how to proceed. Has anyone seen that the BIOS has accepted special characters like "!"?Are there other T450s which are not able to rollback to older BIOS versions with the above mentioned error? Technical Infos:- Model: ThinkPad T450s 20BW-S03E00 (the one with Intel graphics only and a core i5-5200)- BIOS: 1.29(JBET65WW) Thanks in advance!  Best regards,Linus123

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RELEVANCY SCORE 56.8

Hello,I have a Lenovo Thinkpad W540 which is out of warranty.  While using the Lenovo System Update utility to update the BIOS, the BIOS update failed, and now my W540 will no longer boot.  Is there a way to restore the BIOS without replacing the system board? Is there a place where can I download the BIOS file (not only the upgrade utility)? Thank you!

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RELEVANCY SCORE 56.8

Hello, I've had my w530 for a few months.  Everything was working fine until a windows update, followed by a Lenovo Critical update completion.  My hotkeys, camera and on screen display are non functional or only partially functional. What works:Fn+F4 (sleep)Fn+F8/F9 (Screen brightness)On screen notification of Screen Brightness change What doesn't work: Fn+F3  (lock - to be honest, I don't know what it locks anyways)Fn+F5 (bluetooth/wireless radios - there is an icon on the task bar which calls up the "on screen display for these)Fn+F6 (integrated camera)All other on screen displaysIntegrated camera is completely inop Unknown if functional:Fn+F7 (Projector) - There is not even any indication saying "You don't have a projector connected" or something Lenovo ThinkVantage (very hard to find, my older ThinkPads all had icons on desktop or start menu) says all my drivers are up to date.  Lenovo Service Center says no updates are needed. I downloaded the Hotkey Integration Driver per many other posts in the forum.  I am unsure as to what other drivers to download.   When trying to run Hotkey Integ Driver or Power Manager updates/driver, the install package insists on pointing to C:\non lenovo folder*\Camera or PWRManager or Hotkey\    Why?  Should they not point to the default locations for these updates? I have a client meeting (video call) tomorrow (Tuesday 28 August), I'll also need t... Read more

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RELEVANCY SCORE 56.4

I've been getting the "Thread Stuck in Driver" BSOD when playing games for several months now and have just been trying to ignore it. However, it's gotten too bad to be ignored any longer. I've been trying to download a BIOS update (as another thread on this topic suggested) but the System Update program refuses to download the BIOS update it says I need every single time. I can provide more info on my system if necessary.  Thanks for the help.

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RELEVANCY SCORE 55.6

I have a Lenovo H520g with Windows 7. I've updated to Windows 8.1 then Windows 10, but now after this lastest update, it works only when he want to. Simply not boot. If you power the CPU on and leave it alone, sooner or later (minutes, or hours) it randomly boot and works normally.
 
I've tested everything, all the components, the problem is with broken BIOS. I need to update/rewrite but there's nothing about it on support website. Can anybody help me with that? Sorry about my English
 
Mod:  edited Subject Line to expand problem description













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A:H520g: won't work after Win 10 Update; find BIOS update

Your systems support page does not show a Windows 10 option for selecting drivers, meaning your system is not supported for it.     I suggest that you return it Windows 8.1 or 7 for it to run reliably. 

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RELEVANCY SCORE 55.2

I want to update my biosbut there is a little problem , as you know for this update battery has to be fully charged and notebook plugged inMy battery still works but at least this program ( lenovo system update as mentioned above )says i need fully charged battery but it is already charged ( most of the time laptop is plugged in workstation )anybody any ideas how to get it working ?

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RELEVANCY SCORE 54.4

HelloAfter a month of use, the keyboard and the touch unexpectedly turn off in the Lenovo ideapad 320-15IAPAfter starting Operation system, only 2 keys work - the brightness adjustment (f11 f12)The power button, which is located on the keyboard, for a single press, does not turn off the laptopOnly pressing power buton for 5 seconds turn off the laptop at the BIOS stage keyboard works fine Its turn of at once Operation System startingResetting the BIOS to the default settings, updating the BIOS version did not give resultsreinstaling Operation system, starting another operation system from usb flash - the same resultkeyboard is in the device manager(windows), but nothing worksdifferent advice from the forums lenovo to other models (such as hold down the power button or novo button for 15 seconds) also tried any ideas?

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RELEVANCY SCORE 54.4

I try to change my Lenovo laptop Z40-70 BIOS settings but after save and exiting change is discarded. I tried many ways to reset and update the BIOS, but unfortunately none of them isn't work. Even I open back cover to look up for CMOS battery but can't find it. Help me please, Thanks.

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RELEVANCY SCORE 54.4

Hello , recently I removed dvd-rw and replaced it with a caddy for a second hdd. But in bios it is not recognize , instead on windows it is working properly. The problem is with the booting , because of the bios sometimes it enters a boot loop and need to power off and power on until it start into windows. Where I can get a bios for lenovo b50-70 that supports a second hdd ? Thank you in advance.

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RELEVANCY SCORE 54.4

bought this recently, and must say that i am pretty pissed. i did installation of windows 7 on it and it worked fine for some 10 days till it got BSOD cause of bad system info and couldnt even load into windows. only solution was to reinstall. i did fresh install and i got BSOD with fresh install after only few days. checked internet for solution and saw that you could select windows 7 os in bios for optimized settings that should prevent BSOD. but no option for windows 7 in bios. only for win 8 and other OS. i thought ok, i will just download latest bios and flash it. but what happened when i downloaded bios (a2cn38ww) from support page?i got this message "your machine does not match with this bios". so does anyone know where i can actually  download correct bios, or how to contact lenovo support so they can tell me where to download bios?

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RELEVANCY SCORE 54.4

Hello! I want to increase memory amount on S10-3C, but this requires bios update. In this post https://forums.lenovo.com/t5/Lenovo-U-and-S-Series-Notebooks/S10-3-Ram-issue-S10-3s-2GB-Memory-Upgra... was a link to new version, but it gives me error. Where i can download this new version? Thanks!

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RELEVANCY SCORE 54.4

I can not find the ISO file anywhere to update the BIOS on my Lenovo B50-10 - MP149H5E Series Number - 80QR0007IX Machine Type Model. On the site I only see exe files for windows. Using linux I need the ISO file. Where can I find it? Greetings.

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