left half of my monitor has gone black
right side displays normally, left half is pure black. it's there on the bios screen too, so not windows. 3 year old 27 inch monitor. is that a dead panel?
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2 Answers
finnm
Before you write it off, swap the cable and try a different input (HDMI instead of DisplayPort or the other way round), and plug a laptop in if you have one. Takes two minutes. If the menu test above already showed it cut off, though, I wouldn't spend money on repair unless it's a pricey monitor, a panel board job often costs close to a new one.
finnm
Does the black half show up on the BIOS screen or the monitor's own menu too? If the monitor's menu gets cut off on that side, it's the panel, nothing to do with the PC.
That pattern, exactly one half dead, is usually the board or ribbon cable that drives that side of the panel. Sometimes a bump or reseating the cable brings it back for a while, but on most monitors it means a repair or replacement. Worth checking the warranty before anything else.