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Contributing Member
danlat1415
Envios: 10

UEFI partition/bios?

Hi guys, I wiped my Aspire S7-391 and removed all the partitions from the hard drive and created a new partition and installed Windows 8.1 I had set my bios to Legacy to be able to see the hard drive during the Windows installation. Now when I set the bios back to UEFI, it says there is no boot partition and doesn't load windows. When I set it back to Legacy, Windows loads normally. How do I get my Ultrabook back to using UEFI? I'm fine with wiping the PC and reinstalling Windows, I enjoy getting used to using it. Thanks Dan
Frequent Contributor
Charitha
Envios: 138

Re: UEFI partition/bios?

Hi,

 

Didn't you create acer recovery disk by using 16GB pendirve. If you have  it , use it to restore to the system into factory default. 

Frequent Contributor
Charitha
Envios: 138

Re: UEFI partition/bios?

[ Editado ]

Hi,

 

To install Windows 8.1 , its no need to change bios setting such as secure boot and legacy . Do the below step.

 

1) Go to the bios and set it into default .

2) Enable F12 boot menu function.

3) Boot from the Windows 8.1 DVD and continue the process.

 

It is only allow Windows 8/8.1 and  Recovery medias to boot from respect media. We cannot boot from Windows 7 DVD without changing secure boot option. 

 

Hope this will help you

 

All the Best

Contributing Member
danlat1415
Envios: 10

Re: UEFI partition/bios?

Figured out - for Windows installation to see the hard drive under UEFI you need to load raid drivers when installing Windows.

 

Sorted now. Thanks

Frequent Contributor
Charitha
Envios: 138

Re: UEFI partition/bios?

Hi Friend,

 

Thanks for the feed back, Happy to here that solved yor problem.

 

Thanks & All the best

Visitor
jman7678
Envios: 1

Re: UEFI partition/bios?

Hi,

 

I'm having the same problem, except one more step past it.  I was able to load the drivers during the Windows install.  However, now when trying to select the HDD to install the OS on, it gives me the following error:

 

'Windows cannot be installed to this disk. This computer's hardware may not support booting to this disk. Ensure the disk's controller is enabled in the computer's BIOS menu.'

 

Any ideas?

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