Why Does My Computer Say No Battery Detected. If the battery is not properly connected to the laptop you are sure to get this error message. Flea power or hard shutdown.
Disconnect the power adapter. Many aftermarket batteries which are typically of much poorer quality arent built too the exacting standards as required by the computer manufacturers. Turn on the notebook PC.
Type the command devmgmtmsc and press Enter to open the Device Manager.
Use this video to start troubleshooting why your HP computer is having the above battery issues. Sometimes the battery is detected for a short while after reinstalling the battery driver and restarting but not for long. Whatever the tech people will call it releasing flea power doing a hard shutdown or forced shutdown does fix a variety of issues. When plugged in the battery display is either battery not detected or 255 available plugged in.
