Question Old laptop says 0% battery, not charging on both old and new battery

Sep 4, 2021
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I recently got an old laptop that I think is from 2012? It was old and slow, and my relative was gonna throw it out, so I asked if I could get it.

After upgrading a few of the components, formatting the HDD and reinstalling Windows 7 I ordered a new battery, as the current one was stuck on 0%, not charging. The new one worked, and I was able to use it for what I wanted.

Two weeks later Windows told me the new battery was on 0%, not charging. I ran the powercfg energy report, and it told me it didn't find any energy efficiency problems, that Design Capacity was 47520, and Last Full Charge was 47347. No website or forum really explained what to do with that information, though? Some suggest uninstalling and reinstalling one of the battery drivers, I tried it but no dice. One article suggested removing the CMOS battery temporarily, and as I was kind of desperate at this point, I tried that. No dice. Then there's also the various websites suggesting freezing the LI-Ion battery, with several other websites urging people to not do that.

Just for fun, I also ran an energy report on the old battery. "No energy efficiency problems found," Design Capacity 57720, Last Full Charge 54346. At this point I have no idea how to read the energy report.

The batteries are both 11.1V, 5200mAh, and laptop says it needs a 19V 3.42A adapter, which I'm using. The laptop is from a local manufacturer, with a BIOS provided by InsydeH20, ordered by a different local company that specialises in simple-to-use devices and interfaces for elderly and computer-illiterate people, with motherboard by Quanta TWC. I haven't tried contacting the local company just yet. I've checked their website for support, but as it's intended for computer illiterates, I can't really find much without calling them, which I'd prefer not to. I could find the drivers, however, on the manufacturer's website, but it didn't include a BIOS.

What should I do? Should I replace the CMOS battery? Do I have to contact the local company? Would freezing the batteries actually do anything? Are both the old and new battery just dead? Is the laptop too old?
 
Sep 4, 2021
2
0
10
0
AVD ABook 520HDi, DukaPC model TWC, Project TWC motherboard by Quanta Computer Inc, BIOS version QP141 by Insyde Corp, InsydeH2O.

Would a bad AC adapter still provide enough power to turn on and use the laptop functionally? I can't really find any information on that, majority of search results generally imply a faulty AC adapter wouldn't even allow a laptop to turn on.
 

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