During use, and especially on overcharge, the water in the electrolyte splits into hydrogen and oxygen. The battery begins to gas, which results in water loss. In flooded batteries, water can be added but in sealed batteries, water loss leads to an eventual dry-out and decline in capacity.
Virus. The first possibility, and maybe the most common computer ailment, is a virus. Viruses can do any number of things to a computer, but while theyâre stealing your data or ruining your files, theyâre using up precious system resources that could be used for other important tasks.
The person concludes that their computer is slowing down because itâs old, so they replace it. But theyâre wrong. If a computer is slowing down, it has a software problem that can be fixed. Hardware problems shouldnât cause your computer to slow down. There are some rare exceptions to this â perhaps your CPU is overheating and itâs downclocking itself, running slower to stay cooler â but most slowness is caused by software issues.