I have to fiddle with the signal input a bit first, before it recognises the signal. Acer g235h monitor driver Pc#This monitor also has a problem recognising that it is recieving a signal if I switch it off while the PC is working. That's the one I'm having trouble with now but this time I won't just take the extra cost. But my 24 inch Acer which I bought at the same time died after 2 years and I had no patience to support or fix so I bought another one. I have one 22 inch Acer which has lasted 4 years. I just emailed Acer UK tech support, let's see what they say, although frankly I'd be very surprised if Acer will help me out with a new backlight but I will contact them to find out. I live in London, UK (funny that you live in London, Canada, lol!) But opening up monitors is beyond my experience so far. I am fairly geeky and will have a go at fixing the problem myself rather than just buying a new monitor. Half of the monitor (left side) is significantly darker than the right side.Īt the same time as I discovered this problem, I also noticed a very faint buzzing noise coming from the monitor. There appears to be a problem with the backlight (same as you). I have an Acer 24 inch of the same vintage as you. These monitors do have 3 year warrenties on them and I don't believe they are 3 years old yet, but if you bought them from bestbuy (like I did) you're out of luck. If it doesn't then it is your back light. To make sure it is the inverter board and not the back light you can take the monitor apart and plug the back light that is not lit up into the other back light port and see if it lights up. I am almost positive I have just had bad luck and now I'm stuck with 3 bad inverter boards. Be careful with buying the inverter boards on ebay. I then emailed the ebayer I bought it from and they sent me another one, but the replacement didn't even power on. My original inverter didn't even light up the top one, the first one I was sent only lit up the top one half way (like it wasn't getting enough power) then shut off in the same manner. I took apart my monitor and took the top back light out to see what was actually going on. If you look very closely you can see that the bottom is lit up more then the top. I was wrong when I said that the display comes on perfectly for 1-2 seconds. My original inverter board failed to bring power to the top back lights. The inverter board shuts the back lights off automatically when it senses that the power going to them are not equal. Hard to believe, but now I have three inverter boards and none of them work, but both back lights are perfectly fine. I am pretty sure I was sent two bad inverter boards.
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