CPU overheating?

By joemcse23
Mar 28, 2007
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  1. when I turn the system on, it only stays on for about 15-30 seconds then shuts off. While it was on I was able to check the PC health in BIOS, and noticed that the processor was not cooling down at all it started about 40C withen about 15 sec the temperature raised to about 90c and kept riasing until the system just shut off. I also noticed that the heat sink does not make any contact with the top of the CPU. It sets about few mm above. Im thinking that If I can rig the setup up so that it does rest on the CPU it will fix the problem. But on the other hand I would think that the heat sink even though not resting on the CPU would cool it a little bit. I also insured that no wires was stoping the fan. and I did apply thermal compound. I also thought it might be a PSU problem but after doing research the unit has plenty I would imagine. What do you think?

    Specs:
    Motherboard: MSI 945p Neo3

    Processor: Intel Pentium 4 631 3.0GHz / 2MB Cache / 800MHz FSB / Hyper-Threading / OEM / Socket 775 / Cedar Mill

    Heatsink and CPU fan: Cooler Master / X Dream / Socket 775 / Intel CPU Cooler

    Fan RPM: 2200

    Mem: Buffalo Select 1024MB PC4200 DDR2 533MHz Memory

    Video: Nvidia GEforce 6500 256MB

    Power supply: ATX 400W
  2. chamillitarysk8

    chamillitarysk8 Newcomer, in training Posts: 168

    the heat sink needs to be on the processor with thermal compound in between
    1 person likes this.
  3. joemcse23

    joemcse23 Newcomer, in training Topic Starter

    Thats what I figured. This heat sink has a very bad design. But thats what I get for going cheep lessened leared.
  4. foozy

    foozy Newcomer, in training Posts: 267

    Make sure the heatsink isn't being blocked by capacitors around the CPU socket, and read the installation manual to installing it before retrying.

    Don't risk damaging your CPU by turning it on anymore. Clean the HS and CPU and re-apply thermal paste before trying to install the heatsink again.

    Theres a lot of guides and stuff about installing heatsinks and cleaning off thermal compound around the site, do a search.
  5. joemcse23

    joemcse23 Newcomer, in training Topic Starter

    we solved the problem with the processor over heating. I rigged the setup up so that the heat sink is resting on the CPU. (runs great thank you) one more question. Is it possible to install the DVD rom and the hard drive to the same IDE cable since this mother board only came with one IDE controller. if so how?
  6. chamillitarysk8

    chamillitarysk8 Newcomer, in training Posts: 168

    you should only need a cable that has 2 connectors that are the same size as your drives
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