📎 AI Summary:
The thread discusses a Windows 8 Pro 64-bit user experiencing an issue where waking from sleep causes the system to freeze at the pre-login screen, despite BIOS updates and driver updates. Respondents suggest updating system drivers and utilities or providing detailed system specs for further troubleshooting. The original poster eventually resolves the problem by reinstalling the previous BIOS version and restoring the system to an earlier restore point, indicating that the BIOS update may have caused the issue.
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gallicbear

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Thread Author #1
Hi there. Trying to figure out a problem. Running Win 8 Pro, 64bit.
I recently installed an upgrade of my BIOS. At first it took several tries to boot into Windows. That is now solved. What remains is the fact that when I wakeup the system from sleep, it only displays the pre-login screen (greenish, with the tower). It freezes right there. Thinking this might be a display driver issue, I updated it (Radeon HD 6480G). That didn't fix the problem. On some forum I read about a SAM file. My question is: How does it find it when I reboot, but not when the system goes from sleep to wake up? At any rate, how could that be fixed? Also, I don't know how to revert back to a former version of my BIOS. Have no idea where to find that info. My laptop has an Insyde board, and it went to version F.48, what ever that means. Thanks in advance for your ideas.
 

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usasma

usasma

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#2
Update storage, video, chipset and maybe even audio drivers. Update any utilities related to the system (such as the Intel Management Engine, etc). These are the most common reasons for this sort of problem.

If that doesn't stop it, please upload these reports even though you're not experiencing BSOD's: http://windows8forums.com/windows-8-errors-bsods/11837-how-ask-help-bsod.html
 
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Jimbo22

Jimbo22

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#3
With this Radeon HD 6480G GPU, I'm guessing that this is a laptop with an AMD setup that has this APU processor. I've seen a lot of posts with similar issues and all those posts have one thing in common, the APU.

Could you please fill in your system specs, as detailed as possible. This will help us with the hardware aspect of your issue for any known or unknown problems.
 
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gallicbear

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Thread Author #4
Thanks, bassfisher6522 and usasma. Since posting, and not hearing from anyone, I have reinstalled the former BIOS update and restored my system to a date prior to all this. Now everything works fine again.
 
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