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Computer Lockup - Operating System Not Found

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#1 bolterdog


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Posted 15 February 2009 - 07:34 PM

My daughters Gateway 6815 Vista SP1 laptop is developing a symptom that I fear will turn into a catastrophic problem. There are 2 seperate issues, the first is while on the internet the computer freezes, to the point that Ctr/Alt/Del and the reset button do nothing. The only way to bring it back is to unplug and remove and reinstall the battery. This has happened 5-6 times in the last 3 weeks or so. I have done several scans for malware and virus issues and there are no indications of this being the cause.

The second issue has happened twice and occurs after the computer has been on and set down for a couple of minutes but not put to sleep or in hibernation, just left on and set down. When she returns to continue working, the screen is black and says:

Intel UNDI, PXE-2.1 (build 082)
Copyright 1997-2000 Intel Corporation
For Realtek RTL8100E/8101E Fast Ethernet Network Adapter v1.02 (060529)
PXE-E61: Media test failure, check cable
PXE-M0F: Exiting PXE ROM.
Operating System not found

The only way to recover from this is the battery out method. There is still warranty and we will take it in, but I would like to have some idea of what is happening prior to taking it in for repair. I will be posting a question about how to deal with the computer being gone for an extended period in the External Hardware Forum to see if I can put her info on an external hard drive and use it on my desktop while hers is in for service. Thanks for any help.

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#2 Sneakycyber


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Posted 15 February 2009 - 08:32 PM

Sounds like the bios is resetting when the computer goes into hibernation. On a PC this means the cmos battery is likely dead. I believe it means the same on a laptop. There could be other contributing factors that someone with more laptop exp may know of.
Chad Mockensturm 
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#3 garmanma


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Posted 15 February 2009 - 09:03 PM

When this happens again and you get it to reboot, check the Event Viewer for errors posted.
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