The horizontal band goes across the screen and has various dark colored vertical lines in it. The band is about 1/2 to 3/4 of an inch wide.
The rest of the display is clear, bright and displays properly. The band is about 2 and 3/4 inches from the top of the screen.
SOURCE: dark/light horizontal bands...
With a good freind and his good computer swap parts. His monitor on your system, yours on his. After swapping monitors if the problem goes away on yours and appears on his it's in your computer. If your monitor still has errors on the other computer it is your monitor. If the problem goes away on your monitor and appears on his monitor (on your computer) it's your video card or your Mother Board or maybe software. This problem seems most likely to be a hardware problem but I have been wrong before. Reinstalling the OS, Video Drivers, and any Monitor Drivers may also work. If you have built in video support on your motherboard and that's what your useing turn it off and install a new (friends) video card eather PCI or VGA which ever one your computer supports best. You can do the oppsite if you have a video card in your machine and your computer has a built in video support disabled. Remove remove the card and enable the boards video support. If the problem goes away get a new plug in card. If the problem stays minus any plug in cards or with a known good card plugged in it most liklely is mother board related. Hope This Helps
SOURCE: dell lcd monitor with vertical lines
You have a filter problem, check power supply for bad capacitors.
SOURCE: Partial Screen Display
Problem in the LCD back panel board. check the interface unit or ADC unit, also check the video clock pulse. one section is not working.....
SOURCE: shimmer and bands
i experienced a tainted vertical black lines on the boths sides of my lcd screen. There was no scratch or whatsoever that could be the reason why thsi balck colored vertical lines to spread. Hope you can help me solve this problem. Thank you..
SOURCE: vertical lines LCD Dell 2001fp
I had the same problem until I decided to go in to figure out what was happening. I am not a technician but I'm a pretty handy engineer...anyway I opened up the panel and separated the big bulky electronics board which is encased in a metal enclosure from the LCD panel itself. After carefully doing so you will find that the electronics which actually control the LCD is covered by a long and thin aluminum plate. This cover can be easily removed by unscrewing 3 or 4 screws. Now here is where the problem arises. I believe that there is one chip (the biggest one you will see) that gets very hot. I measured temperatures in excess of 110 degrees F. It makes sense that temperature is the problem since the lines begin after the panel has been on for some time. My simple solution to this was placing a fan right over this chip. In doing so you wont be able to place back the thin aluminum cover but that's a small price to pay in getting your screen back to normal. The fan should also be small enough for you to put the LCD Panel back together (without this thin aluminum cover). You can hardwire the fan to the Speaker voltage output. I made this fix to my LCD panel about 2 weeks ago and since I haven't seen the lines again. In my opinion Dell knew that this would be a flaw in the LCD because if you notice the power supply for the panel is external which is uncommon in my opinion. The power supply tends to get really hot so in an effort to prolong the life of the panel they made this an external attachment. Well this obviously didn't solve the problem and they went ahead and put it out into the market. If you would like more details send me an email at Mike28ML(at)optonline.net Good luck, with this issue cus I know it way annoying the hell out of me.
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