New answers tagged battery
Your system should work properly with the battery out. Having to replace the battery sounds like a hardware issue. Anyway, I've seen something similar happen in Ubuntu VMs, where the wrong framebuffer is being selected, which causes very, very slow console updates. In this case, try adding vga16fb.modeset=0 to your kernel boot options. 1
Based upon experimentation and some information I was able to scrounge up: If you experience the above symptoms and you are using an old laptop with a battery that is near death, then basically your battery has reached a point that it’s actually poisonous to you system. The workaround I posted in update1, may work for you. But, if you have the coin, you ...
I'd think out of the box, just go for a cheap aftermarket battery on ebay or somewhere else, real performance and capacity doesn't matter very much as you don't have any right now. Anyway on a 6-7 years old laptop any other component might fail before the new battery and you will enjoy a mobile laptop in the meanwhile which worth the $, not just a portable ...
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