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On a hp dv6700 i have to take the cmos battery out for a while every time i start the laptop or it will just power on for 2 secs and then turn off and continue in that cycle. whats wrong with it?

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Posted on Aug 05, 2010

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How fresh is the cmos battery? Might as well replace it with a new one. Thats about 75 cents for a good one. It should be a CR3022 but the battery you have should be marked. Just take it with you to almost any battery shop or place that sells watches or electronics. When you get the battery but before you buy check the date stamped on the package. get as fresh as you can.

If taking out the battery allows it to boot then it sounds like your cmos may be corrupted which is usually caused by a bad battery. If it isn't saving the settings or you notice that it keeps looking for new hardware when starting then its likely the cause. This is much more common on desktops but some laptop models run hot enough to cook the backup battery within a year or so.

Posted on Aug 05, 2010


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Your battery is at too low a charge.
here is a game plan:
Unplug the computer from power
take the battery out of your laptop,disconnect the battery
connect the power to your laptop see if it comes up
If it does come up, your battery has one or two bad cells in it
You can prove it is the battery by using a battery from a known good computer that uses a similar battery.

you can stop wasting time by ording a new battery on E-Bay. Your computer will work fine untill you have the money to by a new battery

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