Question about ViewSonic P815 21" CRT Monitor

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Blue vertical line

Hi. I have a 20" moniter that has a blue vertical line just to the right of center. It runs top to bottom. I only see it when the backround is black or when watching a movie. Any way to get rid of this? Thanks in advance

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4 Suggested Answers

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SOURCE: "OSD lock" in blue box

The monitor will have the on screen display setting as locked, look at the monitor settins buttons, where you set the brightness etc.

Posted on Feb 14, 2007

  • 80 Answers

SOURCE: my lcd monitor got a blue line on the right side

Often problems with LCD monitors can be traced to bad capacitors. The following sites will help you identify if your monitor has bad capacitors, and how to replace them. and

Good Luck!

Posted on Jun 13, 2010

  • 11361 Answers

SOURCE: I have a blue vertical

That can be bad TFT driver on the LCD panel assembly, new panel will be needed it, you can check the connection between the logic board and the LCD panel first. Also inspect the caps in the power supply as well. read more here:

Basic LCD monitor troubleshooting guide:

Failed TV and Monitors:
Capacitors kit: he can make you a set of caps for you.
Please post back what you find.

Posted on Oct 02, 2010

  • 11361 Answers

SOURCE: I have 2 vx2235wm, just over a year old. Within a

Solid vertical line means you have bad LCD panel due to failed TFT driving circuits.
This VX series are not built as well as the old Viewsonic used to be.

Failed TV and Monitors:

Posted on Oct 17, 2010

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