Inspiron won't run on charged battery

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holt06

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My wife has a Dell Inspiron 1150, with Windows XP, and it won't run on the battery. It runs fine when it's plugged in but when the plug is removed, it just dies instantly, like there is no battery. I've checked the power settings in control panel, and I've checked in BIOS and it says the battery is charged to 97% and the AC adapter was reading 65W, which the Dell troubleshooting guide said means that the AC adapter is working fine. I also removed the battery to check for debris or bent pins or something, and I started the computer without the battery and it runs fine. But it just won't seem to use the battery. Any ideas?:confused:
 

Triple6

Rob
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It could be a bad battery, does it ever change from 97% ?
 
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I had the same problem a while ago....
It turned out to be copper build up inside of the battery compartment.
Get a can of compressed air and shoot it up.
Tell me if it worked.
 

JohnWill

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I'm going to go with the "bad battery" idea.

How does "copper" buildup in the battery compartment? :confused:
 
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JohnWill said:
I'm going to go with the "bad battery" idea.

How does "copper" buildup in the battery compartment? :confused:
Dont ask me.. this is what was being told to me by the tech guy in work...
maybe it wasnt copper... maybe it was muffin crumbs... those tend to go everywhere.
 

JohnWill

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I can't imagine copper accumulating anywhere around there, unless someone was tossing pennies at the machine. ;)
 
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If you have Volt meter, check the voltage across the contacts of the battery.
I’ll bet you will find that they are shorted together.

Dell Inspiron battery should show 14.8 vdc across the contacts
 

JohnWill

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A battery with high internal resistance will still show full voltage, you have to do this test under load. A nice load of about 1/2 amp or so is called for to force a real reading. I use an automotive lamp for such testing.
 
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