Solved My Laptop Isn T Displaying Anything Why Lenovo Thinkpad T420S
Chosen Solution I have a Lenovo T420s. One night it suddenly shut off (I suspected that it died) and so I put it up for charging overnight. The next morning it would power on but the display wasnt working. The lights would cease besides the bluetooth one and a sequence of beeps would sound (beep and a pause then 3 beeps then a pause then 3 beeps again and a pause and finally a beep) and then the bluetooth would stay on but the beeping would stop and I could hear the system running....