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PC won't boot, Please Help

PC is not booting fully. The only problem I can see is the CPU fan will start spinning and then stop. The computer then shuts down and restarts. Everything else works as far as I can see. Because it will not boot it does not display video output and I cannot get into BIOS. I tried plugging the CPU fan into another socket and it worked and continued to spin but the computer still shut off and the restated like usual.

the computer was fine before this. Haven't made any changes or upgrades.

CPU- Quad-Core i5 2400 3.1 ghz
GPU- GTX 660 Superclocked 2GB GDDR5
MOBO- Gigabyte Intel Z77 LGA1155
RAM- 4 x 4gb PNY Optima 1333MHz DDR3
PSU- Corsair CX600 600 watt

Booting off 64gb SSD in Corsair 650D with 500GB HDD internal for storage.
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  1. Tweiten said:
    PC is not booting fully. The only problem I can see is the CPU fan will start spinning and then stop. The computer then shuts down and restarts. Everything else works as far as I can see. Because it will not boot it does not display video output and I cannot get into BIOS. I tried plugging the CPU fan into another socket and it worked and continued to spin but the computer still shut off and the restated like usual.

    the computer was fine before this. Haven't made any changes or upgrades.


    the rest of you're specs
  2. ModernWarfare said:
    Tweiten said:
    PC is not booting fully. The only problem I can see is the CPU fan will start spinning and then stop. The computer then shuts down and restarts. Everything else works as far as I can see. Because it will not boot it does not display video output and I cannot get into BIOS. I tried plugging the CPU fan into another socket and it worked and continued to spin but the computer still shut off and the restated like usual.

    the computer was fine before this. Haven't made any changes or upgrades.


    the rest of you're specs



    Sorry, completely forgot to write those.

    CPU- Quad-Core i5 2400 3.1 ghz
    GPU- GTX 660 Superclocked 2GB GDDR5
    MOBO- Gigabyte Intel Z77 LGA1155
    RAM- 4 x 4gb PNY Optima 1333MHz DDR3
    PSU- Corsair CX600 600 watt

    Booting off 64gb SSD in Corsair 650D with 500GB HDD internal for storage.
  3. Tweiten said:
    ModernWarfare said:
    Tweiten said:
    PC is not booting fully. The only problem I can see is the CPU fan will start spinning and then stop. The computer then shuts down and restarts. Everything else works as far as I can see. Because it will not boot it does not display video output and I cannot get into BIOS. I tried plugging the CPU fan into another socket and it worked and continued to spin but the computer still shut off and the restated like usual.

    the computer was fine before this. Haven't made any changes or upgrades.


    the rest of you're specs



    Sorry, completely forgot to write those.

    CPU- Quad-Core i5 2400 3.1 ghz
    GPU- GTX 660 Superclocked 2GB GDDR5
    MOBO- Gigabyte Intel Z77 LGA1155
    RAM- 4 x 4gb PNY Optima 1333MHz DDR3
    PSU- Corsair CX600 600 watt

    Booting off 64gb SSD in Corsair 650D with 500GB HDD internal for storage.


    try taking out the graphics card and use onboard and see if it works
  4. Best answer
    I would also try each stick of RAM by itself to see if a stick of RAM has failed.
  5. shortstuff_mt said:
    I would also try each stick of RAM by itself to see if a stick of RAM has failed.


    If I have 4 sticks of RAM could that really be the problem?
  6. Tweiten said:
    shortstuff_mt said:
    I would also try each stick of RAM by itself to see if a stick of RAM has failed.


    If I have 4 sticks of RAM could that really be the problem?


    did you take out the video card and use onboard and see if it works >_>
  7. Tweiten said:
    shortstuff_mt said:
    I would also try each stick of RAM by itself to see if a stick of RAM has failed.


    If I have 4 sticks of RAM could that really be the problem?


    Yes, that could be the problem. We are trying to help you narrow down what's causing the problem. Have you tried either suggestion yet?
  8. shortstuff_mt said:
    Tweiten said:
    shortstuff_mt said:
    I would also try each stick of RAM by itself to see if a stick of RAM has failed.


    If I have 4 sticks of RAM could that really be the problem?


    Yes, that could be the problem. We are trying to help you narrow down what's causing the problem. Have you tried either suggestion yet?


    The RAM solution worked, yet that surprises me. I must have a bad stick. Thanks for the reply and sorry for the slow response. It has been a long few days at work lately.
  9. You can try running Memtest86+ on each stick of RAM. A properly functioning stick of RAM will give no errors in Memtest86+.
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