2.There’s no signal on display when booting my computer,how to fix this problem?
This problem may be caused by corruption of Graphics card.I suggest you try MajorAV to update your Graphics card.
Step 1:Please run MajorAV as administrator.
Step 2:Please click "Driver Updater".
Step 3:Please click "Start Scan".
Step 4:When the scan process finishes,please download and install your Graphics card.
Step 5:Please restart your computer.