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Laptop battery not charging

By chyann ·
This is my laptop information as collected by

OS Version: Microsoft?? Windows Vista??? Home Premium , Service Pack 2, 32 bit
Processor: Intel(R) Pentium(R) Dual CPU T2370 @ 1.73GHz, x64 Family 6 Model 15 Stepping 13
Processor Count: 2
RAM: 2037 Mb
Graphics Card: Mobile Intel(R) 965 Express Chipset Family, 448 Mb
Hard Drives: C: Total - 114431 MB, Free - 68579 MB;
Motherboard: Dell Inc., 0U990C, , .9DFVNF1.CN7016685602XP.
Antivirus: AVG Anti-Virus Free Edition 2011, Updated and Enabled

My laptop battery will not charge with my original adapter so I bought a new one, along with a new battery.

Right now the laptop is running with no battery installed per a question from 2007: "If it's not giving you a good connection, it won't allow the laptop to charge the battery. Try taking the battery out and powering the computer only through the power adapter.", proving the power jack is ok.

Now what else could it be?

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Well, there are three parts to the puzzle:

by robo_dev In reply to Laptop battery not chargi ...

The power adapter
The battery
The charging circuits in the motherboard of the laptop

Based on what you describe, I would carefully inspect the battery connection terminals in the laptop for damage or dirt.

Note that if you bought a generic third-party battery and charger, there's a 40-50% chance it's either the wrong part for the laptop, or it's defective. If you bought a genuine Dell part for your Dell, IBM for IBM. etc., then that is not the problem.

If you have known-good-quality charger and battery, then the charging circuitry on the laptop motherboard is not working, and your machine would need service.

Some other things to look at which are helpful, but not likely to fix it:

a) reset the laptop CMOS to factory defaults. Also check with the web site of the manufacturer to see if any bios updates have been issued that mention any battery issues.

b) Go into Vista control panel and see if the battery is detected by plug and play. This is not the problem, but might give an indication if the laptop can 'see' the battery.

c) If the battery were working poorly, then performing a battery calibration may help, but if the laptop cannot see it at all, then it won't.

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re: Laptop battery not charging

by chyann In reply to Laptop battery not chargi ...

Thanks robo_dev. I think this: "the charging circuitry on the laptop motherboard is not working, and your machine would need service," is my problem and will take it to the shop after class today. I do not mess with computer 'innards.' Replacing the battery was simple but if I have to remove screws to get to something I'll let my friend who has his own shop do it.

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