Question about HP Compaq Presario C500t Notebook

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Power button light turns on and off continuously with no other signals appearing!

Hi Guys,
I own a HP compaq (presario c500) - been just 6 months. The power signal continuously turns on and off when I switch the computer on. The screen is blank and there are no other signals such as battery/charger being displayed. I have tried removing the battery and connected the laptop to AC power only - but to no avail.

Will appreciate your assistance.

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Just repaired one with the same problem. I finally installed new power button board, and motherboard. good luck and hope this will solve ur problem. By the way try the new power button board first it may save ya the cost of a new motherboard. Joe

Posted on Nov 14, 2011

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Just repaired one with the same problem. I finally installed new power button board, and motherboard. good luck and hope this will solve ur problem. By the way try the new power button board first it may save ya the cost of a new motherboard. Joe

Posted on Oct 07, 2008

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Thunder55
  • 318 Answers

SOURCE: Power button has light turning on and off with no other signals !!

try,,holding the delete key down as it is starting up,,,will the computer boot into Bios?
do you see any information on the screen when you start the computer at all?

Posted on Jan 16, 2009

6ya6ya
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Posted on Jan 02, 2017

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We can try power drain to resolve this issue.


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