Press and hold the power button for 30 to 45 seconds. This will drain the capacitors’ residual charge. Insert the battery and turn on your laptop. Check if the battery icon shows a red cross.

Nearly everyone has seen the universal symbol for power — turning on and off — but not everyone knows why that symbol was ...

Select the Power button in the bottom-right corner and restart your computer. After starting up the Windows, see if the red x cross still appears on the volume icon. If it is gone away then good ...