If monitor won't turn “on” when you try, please check
that the power cord at the back of the monitor is inserted fully.
Also, check the wall AC power outlet to ensure plug is fully inserted.
Try plugging in a hair blower or lamp in the same receptacle to find out
whether there is power. If not, check the fuse box or breaker whether blown
or tripped. If so replace the fuse or flip breaker back into position.
If you are using a power strip to power many products,
please check connection of the power strip and cables.
When monitor is turned "on", a red light should be seen at the bottom in the
center of the monitor bezel.
(General → Standby lamp On)
Should all above troubleshooting fail to resolve the issue, chances are there
is an internal defect or with peripheral device or connecting cable. No power
(no picture on screen) but standby light "on" could indicate a faulty cable or
problem with source of video signal or a damaged LCD panel.
No power and no standby light coming "on" most likely failure at the Power
Supply or main printed circuit board. This will require a service technician to
Check the power cable at the back of the TV
Check connection to the wall and the power strip