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Help! I cleaned my cpu coolers dust and dried thermal epox, now my Pc doesnt work properly

I tried cleaning my CPU because It automatically shuts down when playing games. I dusted the cpu coolers and fans, and removed dried epoxy. I grounded myself and unplugged all power source before doing so. When I put everything back, I forgot to put the new thermal epoxy when I first rebooted, and reapplied it after I noticed that the monitor doesnt have signal. All Fans, LED lights, and other parts are all powered up because I didn't touch any wirings, just the fans and the heat sync. Now, its still the same situation, I cant get it to work.

Problem: my LED monitor shows no signal. Tried different cables, CMOS reset, and refitting the processor. and its still the same.
Everything looks perfect, fans, LED lights, thermal paste, CMOS batt. No smell, doesn't heat much. Still NO signal.

Specs:
Mobo: GA a75m s2v
GPU: AMD A6 3600 quad
Ram: 2Gb Kingston 1333 DDR3
PSU: 500watts CDR King brand
HDD: 500Gb capacity (i dont know the name)

Thank you so much for reading.
3 answers Last reply Best Answer
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  1. Best answer
    The CPU should have a high temperature protection and if overheating would have shut down the PC, so I dont think its burned out.

    Auto shutdown when playing games could be several things, from RAM gone bad to GPU overheating or GPU gone bad.

    When you power up the PC do you hear any beeps? If yes is it a single beep or multiple beeps?

    If single beep, than CPU is ok, and you should hear your Harddrives spining afterwards.
    If multiple beeps or two longer beeps than it might be RAM or CPU issues.

    Try removing any Cards you have in your PC, and also remove all RAM and then power up and listen for beeps.

    Then put back only one RAM stick and power up again and listen for beeps.

    You might have also erased your CMOS when trying to reset it... ive seen people make that mistake before by shorting the incorect jumpers...
  2. smeker said:
    The CPU should have a high temperature protection and if overheating would have shut down the PC, so I dont think its burned out.

    Auto shutdown when playing games could be several things, from RAM gone bad to GPU overheating or GPU gone bad.

    When you power up the PC do you hear any beeps? If yes is it a single beep or multiple beeps?

    If single beep, than CPU is ok, and you should hear your Harddrives spining afterwards.
    If multiple beeps or two longer beeps than it might be RAM or CPU issues.

    Try removing any Cards you have in your PC, and also remove all RAM and then power up and listen for beeps.

    Then put back only one RAM stick and power up again and listen for beeps.

    You might have also erased your CMOS when trying to reset it... ive seen people make that mistake before by shorting the incorect jumpers...


    I wanted to do this since I have seen the same approach in YT and on other forums but the problem is that my unit doesn't have any internal speakers and any computer parts shop don't sell small ones. I would go to another city next week to buy the parts but I want to lessen the cost and buy the only part that is broken IF I could pinpoint it. About the CPU shutting down before, I think its also another problem, I saw some brown stains on my RAM, but not quite sure if its the part broken since its not anything major. about the graphics, I have an Integrated graphics that works fine, up until I encounter this problem.
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