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Pc has no post beeps and no video output

Hello about a month ago my computer turned off abruptly, the next morning I turned it on and nothing would happen. Later it randomly started but now there was no display. I have changed the processor with a new one and the power supply with a new one as we'll. But still I have no post beeps and no video. The fans are running. My computer components are
MOTHERBOARD: asus m5a97
CPU: amd fx8350
GPU: asus gtx660
Memory: corsair Xms 8gb
Psu: corsair cx750
HDD: wd10ezex

Would really appreciate the help
3 answers Last reply Best Answer
More about post beeps video output
  1. Best answer
  2. If you are sure that the case speaker is working, no beeps would point to either a CPU error or a motherboard error. Since you have replaced the CPU, that leaves the motherboard. This assumes that the power supply is functional. You can test it by swapping the power supply with a working power supply. You can also check the power supply with a multimeter or a power supply tester.

    The power supply listed (Corsair CX Series) are well known for being problematic.

    AMI Beep Codes
    http://www.bioscentral.com/beepcodes/amibeep.htm
  3. Try putting the old CPU back in for a moment and update the BIOS. Then switch CPU to newer one and see how you get on.
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