Battery charging problem for toshiba satellite p30-145
I own this laptop from many years....it was working well till now but recently there was a power failure and i used the laptop on the battery....i got a message of critical battery and then the laptop just shut down....from then on the battery is not willing to charge......the led for battery charging glows for a few seconds when i plug the cord into mains but then it goes off.....and the battery doesn't charge.....
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POWER SUPPLY & BATTERY PROBLEM If the laptop battery is more than 3 - 4 years old then the battery could be worn out. Rechargeable batteries have a finite number of charge and discharge cycles and will lose their charge capacity over time, i.e. won't charge to 100% and gradually the charge reduces until the battery won't charge up at all. OR The battery shows a 100% charge but when the adapter is disconnected the battery drops off to zero capacity in a very short time. If the battery drops to an unacceptable charge level then the battery needs to be replaced. Rechargeable batteries will fail if stored in a discharged state for long periods.
Toshiba had issued a bulletin and a BIOS upgrade (version 2.0) to address the battery not charging/working issue (it's a bug in the system is what it is). Make sure that's done before contemplating any hardware changes or repairs.
Have you since re-inserted the battery to see if it charges? A battery that is past its ability to hold a charge may show as fully charged, but will discharge usually instantly if put under load and one that has deteriorated to the point of no longer accepting or retaining a charge can cause problems that you have described. The best way is to obtain another battery and test that in the laptop. If that too fails, the issue is likely to lie in the charging circuit. Some laptops, the Packard Bell easynotes were notorious for this.
It is also good practice to remove the battery once charged and running on mains, as this extends the battery life
it could be possible that changing the dc jack at the back may fix the problem however it could be a faulty new battery as ive had a few copies (not original) which would work for a week or so then die or others which wouldnt work at all, i finaly splashed out on a new original battery and it hasnt let me down and i bought it over a year ago.