10" lit, 9 or 10" dark, next 20" to corner lit. Is this part of a perimeter led bar that I could replace?
There may be screen damage and that entire part of your screen may just contain dead pixels.
SOURCE: Dark band on left side, Samsung HL-R5668W
the reflecting mirror is likely loose and falling down inside the light reflecting tube. you should have seen the band getting darker and larger,
the small mirror is in front of the lamp and bends the light,
remove the lamp and look down the tube (light path)
SOURCE: i have a black border on top of my screen
There are two things which could have caused this. One, the Monitor settings have changed or the computers display settings have changed.
1. Resetting the monitor to default.
Push the 'MENU' button to open the OnScreedDisplay system and display the main features menu. Push the - and + buttons to move between the function icons
Use the buttons to highlight 'Factory Reset' (this returns the settings to the factory preset values for the selected group of functions)
Detailed instruction available at http://support.dell.com/support/edocs/monitors/E153fpb/En/controls.htm
2. Checking the desktop display settings.
Right click on the desktop and select properties, click on settings and make sure screen resolution is set to one of the following 640 x 480 or 800 x 600 or 1024 x 768. These are the only ones supported by the monitor
If both this fails. Then the monitor is nearing end of life
SOURCE: A Dark Bar at the top of the screen that looks pink against white
the light engine is defective if you have black bars that look pink.
SOURCE: while using my gps 12, the screen suddenly went
it turns out I inadvertently adjusted the screen contrast. This is adjusted by holding the left arrow key down after powering up, until the contrast is corrected. If the screen was completely white, holding the right arrow key down after powering up would bring contrast back into balance.
SOURCE: My Toshiba TV Model 27AF45 has white horizontal
go to the vertical section n change caps like 100uf, 2.2uf around the section in addtion check some caps in the line o/put like 22uf 250v
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