tablet PC battery / charger issues

my computer is having issues with staying on. It's an HP/Compaq tablet, tc4200.

The battery has been getting progressively worse and I always have to keep it plugged in.  While plugged in though often it will flash back and forth between the charger and the battery symbol.  Sometimes when I play around with the  power cord it stays charging.  

Now it just starts randomly going into hibernation even when it says its plugged in.  

If the battery is kaput will this affect the usage even when plugged in ? That's my assumption, I'm thinking / hoping a new battery will fix it. Right now I can't get it to stay on more than a minute while plugged in.
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Alaska CowboyAsked:
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jamietonerCommented:
Some time bad batteries can cause odd issues, remove the battery and see if the issues continue(battery isn't required for the system to run).
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flubbsterCommented:
It sounds like the charger/cord may be intermittent. Take it to Radio Shack. They carry a Universal Charger capable of quite a few different voltages. They also have an assortment of tips, one of which will work. Plug it in and play with the cord near the jack. If the charging/battery symbol blinks or changes as you move it, then the connector in the device is loose on the board and will need to be replaced.
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Alaska CowboyAuthor Commented:
flubbster, ok, thank you.
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Alaska CowboyAuthor Commented:
it's probably time for a new battery, anyway, it's 5 years old.
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aleghartCommented:
Time for a new computer!  Surprised your hard drive lasted this long.  Mine average 18-24months with daily commutes and running 18-24hrs/day.
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Alaska CowboyAuthor Commented:
aleghart, donations welcome ! overall it's running well.

jamietoner, good idea, thanks !
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Alaska CowboyAuthor Commented:
took out battery and it works fine now, just have to be careful not to pull the plug. So time for a new battery (and maybe a new hard drive . . . )
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Alaska CowboyAuthor Commented:
oh, sorry, any recommendations where to buy laptop batteries ? Thanks.
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