VGA signal problem

[lhavc]

Hi all
Recently I received my A13-OLinuXino board, it's Wifi-integrated version in Revision F. I connect it to monitor and test with change resolution script, and found that several vertical lines in right edge is just a copy of previous pixel, if I move mouse cursor to right edge the picture shown like a square. I tried adjust LCD timing parameters in the script but problem still remain.
Has anyone got any ideas as to how we can solve this?

[JohnS]

Probably a mismatch with display - find another - or try booting a few different images from SD.

John

[lhavc]

Thanks for reply, I tried several monitors and boot images, confirmed that was the issue in the board, but can't figure out it is in hardware or software. Does anyone else has this same problem?

[lhavc]

Sorry, maybe another problem.