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I brought a new battery for my IBM ThinkPad G40. It will discharge smoothly from 100% to about 65% and then suddenly drops to 4%. Any solution for this? This is the third new battery where this has happened.
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You can get the driver from the computer manufacturer's website. If you want all drivers covered and updated, then you can install an automatic driver updater like RadarSync. You don't have to go to different websites to find the different drivers because the software will do all the work for you.
Check the power source, plug it into the wall don't try to just run off the battery. If it still does not turn on plugged into a working outlet the power supply needs to be replaced.
I don't know if this will help in your situation, but here is how I would approach the problem. 1. Check the output of the external power supply. 2. Remove the battery, remove and reseat all of the memory cards; Try to power up again. 4. Remove the hard drive, cd drive, floppy drive and any externally connected devices; Try to power up again. Hope this is of some help in the resolution of your problem, and have a super day! Ron-
Sounds like you tried this, but it's worth a shot again. Remove the CMOS battery on the motherboard and let the laptop sit for an hour, then replace the battery with a new one.
If the only real issue is changing the time and date, you can do this in Windows and it will reset the BIOS clock, too, of course.
If the problem is that the time and date keep reseting, you either have a low CMOS battery or a short on the motherboard that is resetting it.
If all else fails, you might need to flash the BIOS from a floppy disk with the latest BIOS version for your machine to reset it and go from there.
PS: BIOS reset problems on laptops are sometimes due to power problems caused by battery packs going bad; check your battery pack, too, and see if it is working okay.
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