Question about Compaq Presario 700 470024-192 Notebook

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Compaq presario c 500 won't turn on

We can't turn our laptop on, it's completly dead,

All power and battery connections checked, intermittant problems over the past few months when switching on it would make two loud beeping noises then come on but, the date and time would revert back to 1/1/06.
This time there's nothing at all.
Would appreciate any help but keep it simple not very technical !!!

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  • Compaq Master
  • 4,806 Answers

Hi there
First of all the bios battery has run out, this is why its not keeping date and time.
Secondly the system memory has developed a fault, take the memory out and clean the slots and contacts, you will find the memory under a small panel underneath the laptop, laptop memory looks like this >> Compaq presario c 500 won't turn on - 8e91ce7.jpg When cleaned re-seat the memory and try booting the machine up, if it does all good!!
You will however have to take the laptop to a PC repair shop to have the bios battery changed as this means that the laptop has to be dissembled to get to the battery.
To keep the date and time keep the AC power jack plugged in.

Good luck and thanks for using Fixya!!

Posted on Feb 23, 2009

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  • Contributor
  • 17 Answers

Hello.


For what you are saying you had a problem with the motherboad battery that one that looks like a round watch battery. That's why it didn't save anything after the computer was turn off.

Now the problem seems to be the CMOS of the motherboard you can try to flash it but, if you don't get even image of the P.O.S.T on the screen that means you need a new CMOS, ergo new board or a CMOS chip that costs about the same.

Hope that helps.

Posted on Feb 23, 2009

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