laptop screen immediately turns blank when no key pressed

Jan 7, 2019
HI all,

I have acer laptop. i put my laptop in sleep mode and forgot to turn it off for last 1 month. yesturday when i turned on it, the screen immediately turn off when no key pressing or no mouse movement. when i press any key, it turned on again.

Please help me to resolve this issue.

Regards & Thanks

Maninder Singh