Solved Boots fast, bogs way down, restarts with Nvidia error

January 21, 2013 at 10:38:49
Specs: Windows 7, 2.6 Dual Core / 3 GB ram
My PC started rebooting itself the other day. First it would bog way down. I would open Chrome and initially it would run quickly, but then it would progressively lose speed, until it just came to a screetching halt, blue screened with some random hex looking code, rebooted itself, and hung up on an NVidia error: "Nvidia Boot Agent - Media Failure - Check Cable" .. There was an error number attached, which I will retrieve when I have access to my PC today.

I swapped some power cables around the hard drives and the serial cables, to no avail. It initially allowed me to boot to Windows without the error, but the bogging progressed quite quickly again to repeat the shutdown/reboot process.

My first theory was something is overheating, but all fans seems to be running properly, and I vacuumed out some dust build up I found on the heat sync and some other areas around the RAM, but nothing resolved.

Anyone have any other ideas?


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January 21, 2013 at 11:29:38
✔ Best Answer
"Nvidia Boot Agent - Media Failure - Check Cable"

The system is attempting to boot from the network card/LAN because it can't find a bootable device anywhere else.

Usually when this happens your hard drive has failed, or starting to fail, and needs replacing.

To confirm, test the hard drive with the manufacturer's diagnostic software which loads from a bootable CD. The links are here:

To create the CD from the diagnostic software ISO file you can use IMGBurn on a working PC:

When you've made the CD, boot your faulty PC from it and the diagnostic program will open. Select the drive to be tested and test it using the long or extended test.

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January 21, 2013 at 11:40:10
Thanks Phil! I appreciate the response. Gonna give that a shot.

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January 21, 2013 at 13:27:22
So I managed to boot my computer and am downloading Windows 7 iso. I don't have any media large enough, but I do have a separate hard drive. Is there any way I could put the iso on the drive and boot from the other drive? This is assuming my bad drive holds up through the download. I can also get the exe file but I don't think that my drive would hold up using the installation on it.

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January 23, 2013 at 16:07:01
It was the hard drive! I'm up and running on my 2nd hard drive. Thanks!

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