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Windows 7: Occasional BSOD and reboot. Boot Drive not seen in BIOS

12 Feb 2011   #1

Windows 7 Ultimate x64
Occasional BSOD and reboot. Boot Drive not seen in BIOS

Good Evening all, Hopefully one of you can provide me some direction that I'm currently lacking. I built my own HTPC a few weeks ago (specs at the end of the post), and it's been running alright except for a problem that has come up twice in the past week. The first time I directly observed...I was watching/recording some TV via Windows Media Center, when suddenly my picture froze, the system locked and started looping the same moment of audio for about a second, and it blue screened. Normally I'd take down all of the details, but the BSOD only stayed up for another few moments before rebooting and all I could take note of was a generic "dumping physical memory" message.

As soon as the machine rebooted and passed POST, I was taken straight to a BIOS screen instructing me to insert boot media. I rebooted again (with the reset button on the front of the case), and checked the BIOS to find that my SSD boot drive wasn't detected. Reset again just to make sure, still not there. Finally, I hit the power button, leave it off for a moment, and start up again. System detects my boot drive and starts normally.

I figured this for a fluke, but just last night I came home and turned on the TV to find that the computer was back in the BIOS missing a boot drive, so I assume the same event happened. I used the same workaround, shutting it down and rebooting and loaded up a dump log reader, but no crash reports for the blue screens were found.

So now I'm somewhat vexed. Normally I wouldn't care about uptime for a home PC, but since I use it as my DVR and don't necessarily check that it's running constantly, uptime is kind of important.

I assume there must be something hardware related happening if the system is affected at the BIOS level, but I can't think of what specific component may be at fault. Does anyone have any ideas?

Thanks much,

System Manufacturer/Model Number
Custom HTPC
Windows 7 Ultimate x64
2.8 Ghz AMD Athlon II X2
JetWay JMA3-785GP-LF
4 GB G.skill DDR3
Graphics Card(s)
On board Radeon HD 4200
Sound Card
On board
Monitor(s) Displays
38" Vizio HDTV
Screen Resolution
Hard Drives
64 GB Microcenter (ADATA rebrand) SSD (boot)
1 TB Seagate Barracuda (storage)
400W Diablotek PHD
Coolermaster Elite 341

My System SpecsSystem Spec

12 Feb 2011   #2

Win 7 Pro x64 SP1 OS X Snow Leopard 10.6.7

Can you still boot Windows?
My System SpecsSystem Spec
12 Feb 2011   #3

Windows 7 Ultimate x64

Yes, there doesn't seem to be any actual data damage to the drive. It's just not being detected in the BIOS after each blue screen until I do the hard power-down.
My System SpecsSystem Spec

12 Feb 2011   #4

Win 7 Pro x64 SP1 OS X Snow Leopard 10.6.7

My System SpecsSystem Spec
12 Feb 2011   #5

Windows 7 Ultimate x64

Ah, sorry about that. Missed the protocol post. The diagnostic files are attached.

Is Windows 7 . . .
- x86 (32-bit) or x64 ? x64
- the original installed OS on the system? Custom system.
Win 7 is the first OS installed on the drive, yes
- an OEM or full retail version?
Retail I believe. Installed froman ISO from my MSDN account for testing
- What is the age of system (hardware)? ~ 1 month
- What is the age of OS installation ~1 month
My System SpecsSystem Spec

 Occasional BSOD and reboot. Boot Drive not seen in BIOS

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