Samsung SyncMaster 913v Monitor

Resolution setting of computer is not compatible with spec on monitor. Adjust computer res setting to agree with monitor and you will be good to go. If settings are ok then the issue lies within the innards of your monitor.

This problem often occurs in samsung SyncMaster LCD monitors.

The solution is open your look for the LCD monitor power supply module (which have PCB connector to the AC power), on that board look for capacitors, now look for broken one which upper part is bloated, like the image below:

If you find a damaged capacitor as in the picture then you should replace it with the same value.

Sometimes this happens when the pins on the vga connector are bent. You can either try to straighten them (very carefully with tweezers) - be sure to check both ends, or try a new cable.

Please press Ctrl-Alt and your arrow keys until the image is straight!

Plug your monitor into another computer, If the line persists, it is your monitor, you need a new one. If it does not, It is your Video card, you need a new one. But it is one of the other...

Appears to be something in the connection. Check the video cable and pins on the video connector. Also verify the color settings have not been changed on the monitor. There should be an area where you change the RGB levels.

hi

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thank you

Your logic board need repair.

Dear
The problem is main board inside monitor which is needed to be changed with new one. So I suggest you to take monitor to the nearest samsung's service center.
Best regards

try to reset the monitor to its default settings.