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Re: horizontal bars that rise upwards across the screen
If the bars appear on the screen regardless of the computer connected to the system, then the problem is the LCD itself.
If the issue only occurs connected to a particular system, then the video adapter in the system is bad.
You can also try different calbes and different inputs (DVI, Analog/VGA) and see if there is any difference. Again, if the lines are always there, regardless of input cable or system, then the LCD is failing
You can check with a local TV repair shop about an LCD replacement, or you can check places like EBay for replacement monitors
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I'm assuming you're dealing with an LCD flat panel monitor.
If you've tried different input and from different computers and different cables, and you're still seeing vertical red lines, it's highly likely that the LCD is failing and there's not much that can be done easily to fix it. You will probably need to replace the LCD panel.
If the red lines are in different locations each time you power on, then it could be a controller board issue. But, if the lines are always in the same place, it's probably the LCD panel itself.
Below are the top reasons why there are "colour bars" running across the screen :
Corrupted video driver
Changes in hardware configuration (display)
Monitor issue (hardware)
In order to determine
if it's hardware/software issue, all you need to do is to boot to BIOS
and check if the problem replicates. Depending on system, you can go to
the BIOS screen by tapping "F2" or "DEL" key repeatedly as soon as you
turn on the computer until you see a different screen.
problem is present while in BIOS, then definitely the monitor needs to
be repaired by an authorized repair center. Otherwise, video driver
update or Operating system re-install can resolve this problem.
disconnect all the cables except the power cable and then turn the monitor on you would see a test screen if it still happens your monitor is faulty and better buy a new one as repairing is usually expensive .also check you warrenty its usually 3 years
disconnect all the cables except the power cable and then turn the monitor on you would see a test screen if it still happens your monitor is faulty and better buy a new one as repairing is usually expensive .also check you warrenty usually its for 3 years
It is the problem of monitor pcb in vertical section.check vertical ic for dry soldring. Resolder the ic if problem still on then change ic or check components related ith it. check continuity of vertical deflection coil.
Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FIXYA.
Sounds like an inverter problem. If the power supply is internal replace the capacitors coming out of the voltage regulators. These are usually 1000mf and/or 470mf. If that doesn't do the trick look up the numbers on the 8-pin chips that drive the secondary transformers on the inverter to see if they are getting the right voltages. Good Luck!
Is it sort of rolling almost.
If so you have a few bad capacitors in the power supply that need to be replaced.
If you dare to venture inside you should see 1 or more buldging caps. (bowing upwards on the top)
If these start to fail, then they will interupt the correct flow of power and cause this problem with your panel.
Easy to fix if you are electronically minded, if not, take it to your local TV tech and it shouln't cost that much to have repaired.
Remember, inside these monitors is high voltage that can kill, even if it's not plugged in.
I know I have seen thin lines in the past on older CRT monitors, these are usually wires which support the aperture grill.
LCD is just a panel so this must be something different. What color is the line? It is probably an error in the scanning process.