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H500s: Can't Install Win 7 with "Not ACPI compliant" error

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Started ‎10-28-2014 by
Modified ‎10-28-2014 by
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H500s: Can't Install Win 7 with "Not ACPI compliant" error

Question

I am getting ACPI BIOS BoS (Error 0x000000A5) during Windows Setup (XP,Win8), While one Win7 (32bit/64bit) it just restarts back Leonovo Boot Screen while tries to load the Setup GUI, or even with "BIOS is not fully ACPI compliant" error.

 

H500s-ACPI compliant error.png

 

I've tried to boot  with Hiren Mini Xp , Backtrack 3, Backtrack 4, Backtrack 5 all prompt error that can't get ACPI.

Every possible BIOS settings have been attempted but nothing work. The system can pass the memory test for 2 hours with no error.

Answer

You should try to get the latest BIOS version 41A or above to support Win 7 installation.

The BIOS flashing process is not easy and may cause other unexpected issues if you're not a techie to handle such situation.

 

Hence, please seek assistance from the nearest service centre by describing your issue in details otherwise engineers will not flash BIOS for you without a reason.

If you have the knowledge of flashing BIOS by yourself, kindly drop me a PM or check with our Guru or Moderator for more info.


Comments
by ZilaDev on ‎10-28-2014 10:27 PM

Where can I get the BIOS version ?

by Administrator ‎10-29-2014 08:14 PM - edited ‎10-29-2014 08:14 PM

ZilaDev, it's explained in the article. You are highly recommended to get help from service centre or PM me.

by Serg4001 on ‎11-06-2014 06:44 PM

I'm looking for assistance with installing windows 7 on this model can you provide me with the correct bios that I need???

by schwarting02128 on ‎11-15-2014 05:47 AM

Hello and greetings from Germany,

 

i need this Bios Update too, so dear Cleo_Lenovo please send me a copy please :-) .

 

Best regards

 

Rouven

by it_geek on ‎12-02-2014 04:06 AM

You guys can all fetch a copy from the lenovo support section of the site, enter the model number you are looking for, and select the most recent version of the BIOS available for your system.

by torokbalint86 on ‎01-12-2015 04:30 AM

Hello i am a technician,

i need this Bios Update too for h500s, so dear Cleo_Lenovo please send me a copy please..

 

Best regards

 

Balint

balint.torok86@gmail.com

thank you

by Administrator on ‎01-21-2015 05:38 AM

 

All,

 

Please contact service for this request at this time.  We are working on a customer installable version for future release.

 

Mark

by agentxee on ‎01-25-2015 02:59 PM

Could someone please PM me the version 41A so that I  could install win7 on 10 Lenovo H500s for an IT Suite? Its quite crucial that i have this by next week as I am already running a bit behind my deadline? Please help!!

by agentxee on ‎01-28-2015 01:46 PM

I desparately need the Bios Ver 41a to downgrade H500s - I have been looking for it for a very long time now without any luck. It has proven out to be a right pain switching from HP to Lenovo. I need it quite urgently now as I have 10 desktop PCs that I need to get ready. Second option is to return these and go back to HP as at least I get a response from them!

by fbaerenfeld on ‎02-09-2015 08:01 AM

Please send me the download link for the Bios Update.

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