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New User
Posts: 1

Help! Windows 7 UEFI Install Hangs on first loading screen Acer Aspire V5-571

Hi all I hope someone can help.


I am attempting to install windows 7 on a factory windows 8 V5-571.


I have followed tutorials to build a UEFI bootable USB and tried 2 different 64 bit versions of windows 7. Every Ocassion I try to install it will freeze on the first windows loading screen.


Other info:

The secure boot has been removed.

I have attempted to use the original media the usb files were taken from and booted in lagacy mode just fine.

I have tried both a 4Gb and a 32 Gb USBs

The BIOS is on the latest version


Any help is very much appreciated! Smiley Happy


ACE Pathfinder
Posts: 6,349

Re: Help! Windows 7 UEFI Install Hangs on first loading screen Acer Aspire V5-571

With Legacy mode enabled instead of UEFI, you should not have a problem recognizing bootable media, like Windows 7 optical media.


You may be running into an issue with the GPT formatted drive and how it allocates space and a buffer partition which "hides" the information for the drive.


If you have a set of factory recovery media, just in case you want to return to Windows 8, I would then remove the partitions from the hard drive and start from an empty drive.  Windows 7 should then be able to create it's own partitions and install without issues.

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