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Desktop takes hours to POST

908 Views 1 Reply 2 Participants Last post by  usasma
The PC is fairly new, got it around Feb. This has happened a few times, about a month or so between each other, usually while I'm afk.

I come back, screen is black from going into sleep mode I guess, although it seems to be frozen. PC is on but moving the mouse or hitting a key etc does nothing, forcing me to do a kill the power to it via the switch in the back. Holding the power button does nothing.

And then... it just refuses to POST. The mobo light is on, but nothing happens when I try and boot the PC up. Pushing the power button does absolutely nothing. First time it seemed to finally post up, randomly by itself about 15-30 minutes after I hit the power button. Another time it took about an hour to boot after I hit the power button and left it alone. This time it took many hours. This has happened around 3 times after I got it, starting around 3+ months after I've had it. I've replaced the RAM, and the CMOS battery (I was getting CMOS SETTINGS WRONG, Date/Time not set for awhile)

Once it finally powers on, the fans kick in, the lights turn on, it boots up just fine. Problem is getting it to start up in the first place.
PC is on 24/7. I have never overclocked.

Mobo: MSI x58
GPU: GTX 260
PSU: 1200 watt
CPU: i7 920
OS: Win 7 Home
About 4 or 5 fans (Texas+Summer)
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Start with these free diagnostics:
H/W Diagnostics:
Please start by running these bootable hardware diagnostics: (read the details at the link) (read the details at the link)

Also, please run one of these free, independent online malware scans to ensure that your current protection hasn't been compromised: (read the details at the link)

Then, if the above tests pass, I'd try these free stress tests:
FurMark download site:
FurMark Setup:
- If you have more than one GPU, select Multi-GPU during setup
- In the Run mode box, select "Stability Test" and "Log GPU Temperature"
Click "Go" to start the test
- Run the test until the GPU temperature maxes out - or until you start having problems (whichever comes first).
- Click "Quit" to exit
Prime95 download site:
Prime95 Setup:
- extract the contents of the zip file to a location of your choice
- double click on the executable file
- select "Just stress testing"
- select the "Blend" test. If you've already run MemTest overnight you may want to run the "Small FFTs" test instead. (run all 3 if you find a problem and note how long it takes to error out with each)
- "Number of torture test threads to run" should equal the number of CPU's times 2 (if you're using hyperthreading).
The easiest way to figure this out is to go to Task Manager...Performance tab - and see the number of boxes under CPU Usage History
Then run the test for 6 to 24 hours - or until you get errors (whichever comes first).
This won't necessarily crash the system - but check the output in the test window for errors.
The Test selection box and the stress.txt file describes what components that the program stresses.
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