Re: Dell U2312H Repair

I got the same no-blue/orange button light problem intermittently after plugging it in, and it is solved by replacing G1084-33 which seems to be a low-quality part. The 5V is unstable only when the signal board is connected. I almost ordered another power board, until I see this post and tried the 3.3V regulator on the signal board. I also had to replace the burned fuse F802 on the power board. I am not sure but it is possible that the signal board 3.3V line might be powered up by other power networks, and when that failed it caused the ticking sound. ...