My LCD monitor display is going black (turning off). It's a Samsung SYncMaster 2233 widescreen.
I am trying to figure out if there is anything I can do about it, or if the monitor is junk.
I have tried multiple computers, all have the same issue.
I have tried a different vga cable, same issue.
Power and video cables are tight / double checked.
When I power on the monitor, the blue light turns on at the bottom. Then a second or two later the video comes up as expected and it looks fine.
However, about 2-3 seconds after that, the screen goes black. The blue light is still on and solid at the bottom (blue light normally flashes when the monitor is sleeping).
If I power cycle the monitor, same thing happens.
With no computer connected or when I unplug the vga cable, I see the searching for signal message "digital", then the screen goes black. However it usually shows "digital" then "analog" after that and switches between the two a few times.
The buttons on the side do not do anything, although they may be, I just can not see if they are or not. I can usually get the "digital" message by pressing the buttons on the side, but then it quickly goes black again.
What is really strange is sometimes I can get it to work fine. I am not sure what the difference is. Last week I connected it up and it worked fine and it stayed fine for at least a week! I did not turn it off or anything, I just let the OS put the display to sleep. Then this week one morning I started having the screen going black issue again.
Seems like something is either loose inside or beginning to fail.
Do you think there is any hope for it?
update:
pushing the input select button causes the "digital" and "analog" messages to flash on the screen, but only for a few seconds then it goes black. When it was working properly, those messages would flash back and fourth for probably 10-20 seconds then a message would show saying check input signal, but now just a black screen.
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