When I power off the system by wall socket, The display (Benq FP737) of my PC also off. But the problem is, when I on the system again, the display not on automatically.
So, I need to on it by power switch each time.
I want to on it automatically when I on the Wall soket.
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Monitor STFC (Self Test Feature Check) * Turn off the monitor * Plug the monitor power cord directly into the wall socket to remove any surge protectors or APCs from the troubleshooting equation * Unplug the monitor video cable from the back of the computer * Turn on the monitor * The floating dialog box should appear on screen against a black background. If the issue appears during the STFC, the monitor is defective. Get it replaced.
First check the vga cable, video cards of your pc.if all of these are ok open your LCD monitor check the power board for boated capacitor, open secondary pico fuse or fuseble resistor, replace it with the same value. The defective lcd panel can cause of dim dispaly but the power is ok.
IT almost sounds if the monitor itself is overheating? Have you tried shutting the monitor off for 15 or so minutes then turning it back on? It may also be a video card overheating issue. Make sure your PC and Monitor both have adequate ventilation.
IF this doesn't help the situation, try updating the video drivers as well.
Disconnect the signal cable from CPU and power on.You should get a BenQ Blue screen.
If no Display,Problem is definitely monitor related ie monitor has a hardware defect most probably the power/invertor board has a few blown components.
If you are technically able,you can dismantle monitor and check components on the Invertor board which you may find on my other posts.
Please reply if you need more help.Please rate this solution.
Try to plug into another computer and wait to see.
If it turn up to be same it somewhere defect from the main board of the lcd.
If if not the same turn up to be, you should reinstall the OS because the software is corrupted or your display card problem.