Monitor is black and has no signal

shiv - Updated on Nov 11, 2017 at 02:06 AM

Day before yesterday my monitor was working fine, but yesterday when i switched on my monitor doesn't show anything, my CPU is completely working fine, the problem is only with acer Monitor.

If i am not connecting signal wire CPU to monitor still monitor shows 'No Signal' but now here is totally blank only LED light is on but screen is blank.
Please help to get this solve.