Use the following suggestions if your graphics card is not working after a BIOS update. If power cycling does not make any effect, you can clear CMOS. For this, you have to open your computer case ...

If your Android phone is showing a “No SIM Card Detected” error, you can’t connect to your cellular network. When that happens, you can’t use your phone to ...

Gently cleaning the SIM card and its tray can remove dust or debris that might be obstructing proper contact. Switching Airplane mode on and off can help reset network connections and prompt the ...