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No video with WinPE 4 on EFI boot
Posted 10 December 2012 - 02:15 PM
Has anyone else done any work with PXE boot to WinPE 4 on UEFI? I am using a 64bit WinPE of course.
Posted 13 December 2012 - 04:48 AM
I have no experience with PXE boot ...... but did you try booting from USB or CD ?
Edited by wimb, 13 December 2012 - 04:51 AM.
Posted 13 December 2012 - 08:18 AM
Using the boot menu, I can choose IP4 option (and a cool thing is if booting to that fails, you get kicked back to the menu instead of the board trying to boot to the next device)
Intel boot menu by Tripredacus, on Flickr
These UEFI PXE ROMs change things where instead of displaying F12 as an option, it says press Enter. This "F12" screen is the first screen showing this different video mode.
UEFI PXE boot F12 screen by Tripredacus, on Flickr
And here you can see what happens after I press Enter.
UEFI PXE boot mini screen by Tripredacus, on Flickr
After the loading, when you'd expect the PE logo to appear with the loading animation, or even later on when the wallpaper should show up and then the command prompt (startnet.cmd) you never see it. Either you see this last screen but with just a black box inside, OR you just have a totally black screen.
NOTE: UEFI boot from CD/DVD is not an issue. Also a previous product, a CZC tablet, that also could do UEFI PXE boot, did not display this behaviour.
EDIT: I wanted to note that the successful CZC tablet PXE boot was done to Server 2012 RC, not RTM.
Edited by Tripredacus, 13 December 2012 - 11:29 AM.
Posted 13 December 2012 - 08:24 PM
The recommendation would always be to rebuild the server cleanly, rebuild the PE image from a known-good ADK installed source, and try again. If the problem still persists after doing everything right, then the recommendation is always to engage Microsoft to see what is happening at that point.
Again, after talking to Trip this is an RTM install of Server 2012 with an image that seems to work on other UEFI systems from this server without issue, but I figured I'd throw this blurb out there just in case someone comes across this in the future.
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