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Windows 7: PC freezes when watching video (online or offline)

26 Aug 2013   #1

Windows 7 Ultimate x64
PC freezes when watching video (online or offline)

First and foremost thank you for checking out my thread. I know that for many people here have helped out people who were beyond frustrated and out of answers.

About 10 days ago I built a PC using only a few old parts (my power supply and video card remain the same) and have encountered problem after problem. Here are my specs

Motherboard: ASUS P8Z77-LK
Processor: Intel i5 3570K
RAM: Corsair Vengence Blue DDR3-1600 CL9-9-9-24
Video Card: PNY Nvidia 250 GTS (didnt have enough to upgrade the card at the time lol)
Power Supply: 750W TX Corsair
HDD: 2 Caviar Black 1TB (1 primary 1 storage)

First I was BSOD'ing about twice a day and upon troubleshooting (with this sites help) I found it to be Alcohol 120% SCSI Pass Through Direct (SPTD) driver. After 3 re-formats I saw that this was when the BSOD's started and sure enough after using the uninstaller here I have had no BSOD's.

My problem is that at least once a day my PC freezes while watching video. It doesn't matter if it is streaming YouTube or if it is watching a movie file on my PC (tried VLC/PotPlayer/GOM) and no matter the player I get a full system freeze. I was hoping that I would BSOD as at least then I could track the code and see whats up but every time this happens the system is completely unresponsive (I have waited up to 25 minutes until powering down manually.) This only happens when watching video and only about once every 24 hours. I have been gaming decent amount and have had no issues.

What I have done so far:
Run Prime95 for 4 hours with no errors
Run 2 chkdsk on my main drive with no errors, once on my storage drive with no errors
Run MemTest 86+ twice for 24 hours with no errors
Run PCmark and 3dmark just for good measure with no problems
Flashed newest BIOS
Checked all connections and tried new sata cables, checked processor seating and tried different RAM slot combinations to no avail
Searched the net a ton and implemented the XMP profile in the BIOS
Misc: System secured with ESET Smart security but still ran a few other male-ware detectors. I have monitored system temps and all is well (usually about 55c when running a game for a few hours and 33c on idle)

I just have no idea what could be causing this. Some people have pointed out that it could be the RAM that is not compatible with this board but others disagree. When I boot up the RED LED by the RAM comes on for a quick second then goes out. Some suggest this is proof of a problem, others say if it only comes on at boot for a second then goes out it is no problem at all.

If anyone had had a similar problem or might know what could be causing this I would be more than happy to get the help as we all know the feeling of putting a large amount of money into something and then having nothing but problems.

I can post anything that is needed and will keep this thread pinned so I can respond as fast as I can.

Thanks again!

My System SpecsSystem Spec


 PC freezes when watching video (online or offline)

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