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Deviano
Paper Tape
Posts: 1
Registered: ‎03-26-2016
Location: HR
Views: 795
Message 1 of 2

LENOVO IDEAPAD U550 CAN NOT BOOT WINDOWS 7 -ACPI NON COMPLIANT

Having problem with this laptop. Can not boot or repair windows 7 on this laptop---always getting bsod a5 error_the BIOS in the system is not fully ACPI compliant. On the support page there is no bios update for this laptop. Can i get some feedback for that from the support? Thanks in advance

JDGillis
Bit Torrent
Posts: 2,520
Registered: ‎12-11-2015
Location: US
Views: 744
Message 2 of 2

Re: LENOVO IDEAPAD U550 CAN NOT BOOT WINDOWS 7 -ACPI NON COMPLIANT

DId this just suddenly start, or have you change anything recently such as updating/reinstallling Windows or added RAM etc?

 

Can you boot to safe mode by holding down F8 while turning on the System?

 

Have you tried re-setting the BIOS to Startup Defaults?

 

Do you have a Windows 7 System Repair Disk, or can you create one on another Windows 7/8/10 computer?    

Note:  If you computer was running the 64-bit version of 7, the Windows 7, 8 or 10 computer you make the CD must also be running a 64-bit OS as well

 

 See Backup and Restore the Control Panel to create the System Repair Disk.    Requires one CD-R

 

If so, you can boot to the Windows 7 System Repair Disk and run System Restore, or Automatic Repair from there

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