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15 Posts

09-25-2010

Australia

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  • Message 1 of 5

Screen resolution when PXE boot from WDS vs Install Windows 8.1 from USB

2014-02-28, 11:52 AM

Hi all

 

I own a T430s, X230 Tablet, and now have my hands on a T440. All three machines have UEFI Secure Boot enabled properly, i.e. Windows boot screen shows Lenovo logo instead of Windows logo.

 

However, if I do a PXE boot (using Windows Deployment Services from Windows Server 2012, not R2) and boot to the same boot.wim provided on a Windows 8.1 ISO image, the boot screen resolution turns crap, and the WinPE environment runs in 640x480. Also, as opposed to the Lenovo logo showing on the boot screen, the Windows logo shows up instead, indicating it's not doing a secure boot?

 

When booting from a USB stick however, using the same Windows 8.1 boot.wim (copied from ISO), the screen resolution in Windows Setup is detected correctly, and the Lenovo logo shows up.

 

This occurs on all three machines since MDT was upgraded to MDT 2013 or when I replaced Windows 8 boot.wim with Windows 8.1 boot.wim (as the Windows ADK 8 --> ADK 8.1).

 

Is there a fix for this? Do others have the same problem elsewhere?

 

Many thanks :)

 

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128 Posts

02-17-2009

Sydney, Australia

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Re: Screen resolution when PXE boot from WDS vs Install Windows 8.1 from USB

2014-04-09, 10:34 AM

Easy solution found.

 

It was using the WDS boot image known as "wdsmgfw.efi".

 

For proper UEFI mode booting with PXE, remove the original wdsmgfw.efi and make a copy of the file bootmgfw.efi in your RemoteInstall\Boot\x64 folder, and rename that copy of bootmgfw.efi to wdsmgfe.efi.

0 person found this solution to be helpful.

This helped me too

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3 Posts

02-22-2016

United Kingdom

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Re: Screen resolution when PXE boot from WDS vs Install Windows 8.1 from USB

2016-03-01, 12:10 PM

Thanks very much. Worked for me.

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13 Posts

09-06-2016

Canada

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Re: Screen resolution when PXE boot from WDS vs Install Windows 8.1 from USB

2016-09-13, 21:30 PM
The last sentence should be:
and rename that copy of bootmgfw.efi to wdsmgfw.efi
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1 Posts

11-30-2015

Poland

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Re: Screen resolution when PXE boot from WDS vs Install Windows 8.1 from USB

2016-12-22, 7:53 AM

Hi

 

Unfortunately it doesn't work for SCCM Current Branch 1606

 

Best regards Marcin

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