Recently started having problems with monitor a box appears in bottom left corner called magibright which relates to a button on the monitor , it`s as if the button is stuck in , but it isn`t it scrolls between 4 different brightness settings repeatedly, carn`t fix it? any one got any idears , be apreciated cheers mark
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It may have unstable DC voltages due to failing DC filter caps which is very common problem to all LCD monitors as shown in my albums. If you are going to DIY and have proper tools and know safety precaution then please read on: Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums Post back what you see inside so we can guide you further and it will help out other people in the future also.
its unlikely to be the cable. Most likely cause of this is a faulty inverter board. If you are lucky it will only be 1 or 2 blown capacitors which are easily identifiable and replaceable once you have got inside it. it could however, be almost any of the components on the inverter board or even a failed backlight but this will require further testing and a knowledge of LCD monitor workings.
check the cable connections reconnect them. if nothing happens try hooking it up on a different computer. if picture does appear still, check the video card of your computer, it could have been damage.
Samsung implements protection into their monitors, which allows to block all settings except brightness and contrast. This "Locked" mode turns on by pressing and holding 'Menu' button for 5 seconds, and turns off by pressing and holding 'Enter' button for 5 sec.