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Troubleshooting PC That Will Not Power Up

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Uploaded by on Sep 2, 2007

http://www.pcmech.com - A quick answer to how to troubleshoot a computer which will not turn on when the power switch is pressed.

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  • reset the motherboard and sorry i haven't responded back in a while

  • Thanks it did work!

  • @rossdaboss1959 ikr, Im going to test the power supply with a DMM before I buy a new processor....

  • @samhuang1999 Yea a lot of people are telling me it's the processor. It's no power going to the screen or key board. I'm going to get a processor. My computer don't cut off. I disconnect everything n put it back, n nothing.

  • @rossdaboss1959 i have the same problem, i think its a failing powersupply or processor

  • @TheMightOfDeath ive made it now but thanks anyway ill think of that when i make my next one

  • @l4dxpert1 If the motherboard is broken the colour changes to show it, i'm not an expert so i don't know which colour

  • I have a hp dv7-1245dx. When i push power button, it lights up the fan comes on for about 2 sec, then goes off, n black screen. I took out rams n hard drive n put back, still nothing. The keys don't work to wake it up. I can't even play disc or get to bios. Is there anyway to restart the computer from a full shut down? When i hold the power button, it shuts off, but when i press again, it comes back to the same thing. I just need to get the screen back on. It seems sleep n won't wake up.

  • @l4dxpert1 also the motherboard doesnt work with them in or out. have i damaged the motherboard

  • help! i built mine myself and it booted up but i didnt have any usb wires pluged in from the case to the motherboard. i dont know whether it is the power lead i use because i only used it as a test before i bought one. anyway after i tested it i switched it off and plugged them into the motherboard. i thought it might have been wrong so i unpluged it from the motherboard and when i went to retest it, it wont work. does the wrong cables have something to do with it or is it my power supply

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