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I had a compaq presario C500, but now It wasn't work, the battery was blinking, I got the battery out and then connect the power cord but it still as before . How can i fix it , thank

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1. Take the battery out of the laptop & try to turn on the laptop using power adapter only. If the computer turns on, then the battery is defective & needs to be replaced.
2. Make sure the power adapter is not defective. Test the output voltage of the power adapter using a voltmeter. Compare the voltmeter reading to the nominal value written on the adapter or the laptop.
3. If you have another processor which is compatible with your laptop's model, try swapping processors & test to see if the laptop will work.
4. The power button could be bad.
5. The motherboard could be defective & needs to be replaced.

Posted on Sep 18, 2010

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1 Answer

My compaq presario c500 wont turn on


Hello.

The most common reasons for power issues are the battery, power jack and power adapter/cord.

Power off and remove the battery. If the laptop powers on with just the adapter connected, your battery is faulty.

If you move/wiggle the power adapter at the point where it connects to the laptop, and the power goes off and on, the power jack is the problem.

The power jack is inside the laptop and either needs soldering or replacement. If a power jack problem, it should be addressed by someone knowledgeable.

If no change, the power adapter is probably faulty and needs replacement.

Hope this helps.

May 16, 2011 | HP Compaq Presario C500t Notebook

1 Answer

My Compaq Presario c500 wont turn on. when i plug the charger in the power blinks orange


Hello.

The most common reasons for power issues are the battery, power jack and power adapter/cord.

Power off and remove the battery. If the laptop powers on with just the adapter connected, your battery is faulty.

If you move/wiggle the power adapter at the point where it connects to the laptop, and the power goes off and on, the power jack is the problem.

The power jack is inside the laptop and either needs soldering or replacement. If a power jack problem, it should be addressed by someone knowledgeable.

If no change, the power adapter is probably faulty and needs replacement.

Hope this helps.

May 16, 2011 | Compaq Presario 700 470024-192 Notebook

1 Answer

My Compaq Presario C500 is not working with the power cord. When I plug in the power cord and try to turn on the computer the light flickers. It first was not working, I change both the battery and...


the problem is either your dc port on the laptop is faulty or the charger its self is faulty try using a different charger 1st as theese are generally cheaper however if your handy with a soldering iron u can replace a dc port for about £5 and an hours labour if not a local pc repair company should offer this service for around 60

Nov 24, 2010 | HP Compaq Presario C500t Notebook

1 Answer

Will a compaq c500 work without the battery?


As long as the AC adapter does not directly connect with the battery, the laptop should power up regardless if the battery is installed or not.

Nov 26, 2009 | HP Compaq Presario C500t Notebook

1 Answer

Compaq C500- Will not turn on no lights except for battery LED lit. It was working fine last night. The computer was left on and the battery ran down so it did not shut down correctly. When i push the...


Power drain would be a better solution in this case.
1.first shut down the comp
2.unplug the charger
3. remove the battery
   and after press and hold the power button for 60 seconds without any charger and the battery.After the 60 seconds replug the battery and the charger and turn the computer .

Oct 22, 2009 | HP Compaq Presario C500t Notebook

1 Answer

Fast Blinking Power Button


Check your RAM. I had the same problem with my C500. I ended up having a bad stick of RAM. The only other cause I know of is the hard drive. Although this is rare if you had no problems with your operating system before.

May 16, 2009 | HP Compaq Presario C500t Notebook

1 Answer

My compaq presario c500 doesn't respond to the start button


try to turn on the laptop without the battery and only the power cord plug in.

if your laptop works with this you need new battery or update bios ( there might be fix for battery monitor)

if not, call service support, might be motherboard issue

let me know an update

Apr 03, 2009 | HP Compaq Presario C500t Notebook

2 Answers

Compaq presario c500 notebook


i have prasario cq50 106au can i get driver for xp operating system

Sep 25, 2008 | Compaq Presario Notebook

4 Answers

Comp will not turn on also see lightning bolt display


Hi All,


This happens because of static energy storing in the motherboard components.

We can try power drain to resolve this issue.


Try doing power drain by taking out the battery & keep holding down the power button for complete one minute to drain out the power from the computer components. Restart the computer after putting the battery in.
Try restarting the computer only with the AC power, without the battery & vice-versa.

That should resolve the issue, if the issue persists, then you have to contact service center.


Hope that information helped you!!

Apr 16, 2008 | HP Compaq Presario C500t Notebook

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