How To Check Dell Laptop Battery Is Working Or Not. Plug the Dell inspiron 1525 laptop power adapter into an electrical outlet and into the back of the laptop then wait for the green charging light to come on. Push on the battery release button or buttons to release the battery form the computer and remove the battery.
Examine the information shown in the window. A list of diagnostics and component tests should pop up. Press the power button to restart your laptop.
A list of diagnostics and component tests should pop up.
Tap F2 at the Dell logo screen after the computer is turned on. Reinstall the battery plug in the power adapter and re-boot the computer. Examine the information shown in the window. Unplug the power cord.
