Typically when this happens it means your battery is shot. They'll still take a charge and report a fully-charged voltage, but they drop suddenly and the device shuts off.
I have a HP Probook G3 that does the same thing. Works fine for about 20-30 minutes then shuts off. On AC, it's fine. Battery is just old and worn out.
Some machines used to have a battery calibration routine in the BIOS, but I think that's not been a thing for decades. Last one I had with that was a Winbook XL made for Windows 95.
I imagine, but did read online where a Pajeet had the same issue even tho he replaced the battery...I have used this laptop less than a year.
I've had odd issues with HP laptops, including power supply whine, fan noise, and just crap like bad solders on the GPU. It wouldn't surprise me if they had a line with either bad battery packs (that is, the charge controller or cells are defective.) Could also be how the charge controller in the battery is reporting things, or even how Linux is reading the charge controller.
Since it's a hard stop, it's probably something with how the battery interfaces to the machine, or the battery is just junk.
It is a $300 machine, so I'm leaning towards 'crap'. I bought it for the cool wine-red color :(
--but I had a previous one for years that worked fine, except the hinges were broken, and I 'fixed' it with duct tape and clamps. Wish I had a pic, it was hilarious.
Keeping a laptop plugged in all the time will destroy the battery pretty quickly.
This hasn't been true for years. Stop spreading misinformation.
Typically when this happens it means you did not suck the baby penis sufficiently for the wound to clot.
I've found that three human sacrifices on the points of a Thaumaturgic Triangle often won't solve the problem.
Have you tried ritual sodomy?
How much gold do you have? Can you melt it into the form of a calf?
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