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Hi i have this problem i dont know if its bad or not but every night i turn off my lap top and let it charge over night then this morning when i log on to my user my battery says 4% plugged in, not charging why? PS: my HP laptop is not old i just bought it last April

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This can be a couple of things. The battery, the charger, the internal charging circuit, or the connector.

The battery is not that old but just enough that you could see problems depending on how you use or charge. If you drained it a lot or never used it on the battery this can happen. If the battery was the problem then you would see very short run times when it was fully charged. For example it may run down in say 10-15 minutes or less. The battery may still be under warranty. If you feel a hot spot on the bottom of the laptop after charging overnight this usually means the battery has a problem. The heat is from the charging circuit working pretty hard.

The adapter or charger can be bad but rather rare for it to happen. Usually they work or they don't. Again should be under warranty.

The internal charging circuitry can be having a problem. Not common at all but it happens. Again will be covered by warranty.

Last is the charging plug. This is the connector where the adapter plugs into the laptop. If the plug has been damaged or is loose it won't charge properly. The way to check this is to plug the adapter in and then gently move it around if the plug moves or doesn't feel secure then this has a problem. Usually when this happens the lights on the laptop may flash off and on as it makes proper contact. This may be covered under warranty. When it isn't they will say it is user abuse.

It may take you a bit of watching to see what the problem is. It could be a one time thing ie the connector wasn't plugged in right. It can be a bad battery. Batteries can go quickly but normally they fail fairly slowly over time. You need to check if you have warranty. All of this should be covered on a ~18 month old laptop but you may only have had a 1 year oem warranty.
If you have to pay for anything a battery is $40-$80, a power adapter about $50. The charging circuit requires a new mainboard and the plug depending on the model either requires a new mainboard as its built in or the plug is a seperate piece which can run from $5 to about $100. The battery and the plug are the most common cause for this type of problem.

Posted on Sep 05, 2010

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Battery problems are often related to the battery itself. If you're experiencing this problem, contact your mobile PC manufacturer. If you purchased the battery separately from the mobile PC, contact the battery manufacturer.

Posted on Sep 05, 2010

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Battery has gone bad Please change the Battery. Always keep it im mind that the battery level should not go below 20%, if that happens for several times then the battery will go bad permanently.


Posted on Sep 05, 2010

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