I just got home from a month trip to find that 2/3rds of my monitor's screen was dead. They top 1 3rd displays properly while the bottom 2 3rds alternate between bright whiteish noise that fades to a very dark grey. This happens even when the monitor is not plugged into my video card. Any help please... I'm hoping that there is some easy fix for this...
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If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.
of the power lamp glows. and the OSD is dead. then its dead. check AC power, carefully, use a desk lamp to be 100% sure there is power. if power lamp is off. if OSD works then plug in Display to another PC or lap top. the Lap has an external monitor key, that must be pressed. if the screen good, the so be it, bad pc. if screen is dead, so it is.
The circuit breaker probably tripped. Usually it will be a 2 pole 40 or 50 amp breaker. Turn it all the way OFF, then back ON. Sometimes it's not easy to visually tell if a breaker has tripped, so do it anyway. If that doen't solve the problem post back please.
Look for bad caps with bulging top in the power supply first, two years is about the right time for bad caps, see example of failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums
Post back what you see so we can guide you further.
Attach an external monitor (you may need to buy an adapter to try this) and turn on Display Mirroring in the Display preferences. If the same symptom shows on the external monitor, then you've got a video card problem. If not, I'd say you're screen has some kind of damage of failure. Sorry, but either one is likely going to require a trip to the Apple Hospital. At least with the display problem, you could use the external monitor until repaired.
1.Check signal cable from VGA 9 pin socket 2.Check whether the monitor gets the power 3.. set default monitor settings in the monitor menu 4. Check for proper display timing in monitor screen menu monitor display timing 48.3KHZ, 60 HZ
This is a problem in the monitor itself. The computer has absolutely no control over the On Screen Display. Most likely the button that controls contrast is stuck. You might try blasting the button with canned air. Sounds like it might be time to buy a new or used monitor.