SOURCE: Monitor flickering and adjustment buttons locked
If the refresh rate is not properly set the monitor may have a wavy or an appearance that lines are going down ... This may also cause a flickering affect.
Distorted or skewed image on monitor.
Issue:
Distorted or skewed image on monitor.
Cause:
This issue can occur from any of the below possibilities.
Solution:
Windows Issue
If your monitor has a proper display until it gets into Windows 3.x, Windows 95, Windows 98, Windows NT, Windows 2000, Windows ME, or Windows XP please see document CH000121 for software or setting related issues.
Loose or defective cable
You may receive a distorted image when the cable is loose or defective. Disconnect the video cable going from the back of the computer and verify that no pins are bent, burnt or broken. Once verified re-connect the monitor cable.
Refresh rate issue
If the refresh rate is not properly set the monitor may have a wavy or an appearance that lines are going down or across the monitor slowly or fast. This may also cause a flickering affect.
Additional information about how to change the refresh rate can be found on document CH000558.
Interference
A distorted image can be caused by magnetic or other types of interference. Verify no speakers, fans or other magnetic devices are close to the monitor.
Bad Monitor
If the above possibilities have been checked it is likely that the monitor is bad. To verify this it is recommended that the monitor be temporarily disconnected and then connected to another computer. This can be a friends computer, a work computer, and/or a computer at a service center. You can also help verify a defective monitor by connecting another monitor to your computer.
Note: Connecting your possibly defective monitor to another computer will in no way harm the other computer.
Good Luck/Please dont for get to Rate.Thank You.
SOURCE: screen flickers
1. main capacitor 220mf / 420v .
2. drypoints on monitor kit.
3. electrical distabence.
SOURCE: Samsung 215TW Monitor Flicker
Its the capacitors on the backlight power supply. Samsung installed crappy ones and they blow up after a year or two. Change out the caps and you're good to go
SOURCE: White static flickering on Viewsonic VA1912wb
Please check the line voltage 220V AC and check the earthing voltage 3V AC..
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