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Kupo12

macrumors newbie
Original poster
Oct 1, 2021
24
14
So let me start off by saying, I've been using an imac since 2010 and last year I had the genius idea to move away from Apple, so I could spend my hard-earned money I had been saving for years to put together a PC for some quality entertainment and productivity when need be. Little did I know, I would have an impossible time finding a monitor that would agree with my eyes. Somewhere between when I got my imac and now, it seems that the entire computer industry (excluding Apple) have collectively decided to put **** tier matte coatings on any and all monitors. I've tried 8 different monitors from 5 different brands and my eyes just can't get used to the way they refract light. It feels like a shimmering light is being shined in my eyes all the time. It prevents them from being able to completely focus.

I've spent years dreaming of having a computer that I could use to actually play the games I want. When I bought my imac, I was going into college (for illustration) and so had made peace with the fact that it would be a work machine 100% and that was fine, because I didn't have much time to game anyway. However, right now I'm in a different position. I'm not working and I'm dealing with health issues. Trying to pass the time to make it through the next day is something I struggle with constantly, and having a computer that lets me play games on a simple whim as easily as this does is the only thing keeping me half sane (now before you say "just get a console". I prefer PC for the ease of access to so many free to play games without having to pay for online and simplicity of not having to expend energy whenever I want to play something for 5 or 10 minutes). So, because I can't find a freaking monitor, I've essentially wasted all that money putting together a whole new spiffy rig. The intention was to find a nice 4k monitor or even a 1440p with 144hz, but I'm stuck using my imac as a monitor, because it's the only monitor I can use that doesn't kill my vision.

What I was thinking was, I kind of want to get a imac or macbook just so I have a bloody comfortable experience. I'm in front of the computer 10+ hours a day. I would need to sell my computer though, in order to afford the mac. Now you can see my problem, I can't exactly game with the same ease on a mac as I can with a PC. So I'd essentially be again, using it for productivity only, which right now is very minimal and wildly inconsistent. It would be good for down the road when I can work on illustration consistently again, but who knows when that'll be.

I would keep using my ancient imac as a monitor, but the screen is breaking down and showing vertical dithering lines all over the place. I saw apple sells an LG ultrafine 4k that is glossy, but reviews don't seem to speak too favourably about it, claiming bad flickering and image retention issues. I don't really know what to do. Anyone got any suggestions on how I can have my cake and eat it too?
 

The_Croupier

macrumors 6502
Oct 11, 2018
419
284
Don’t know if your still have your 2010 iMac but if you do you can use it as your PC display.
 

Kupo12

macrumors newbie
Original poster
Oct 1, 2021
24
14
I'm using the LG 48C1, 4k@120Hz.
Less glossy than an iMac display, but it's not a matte display.
It works fine for my need.
Nice option, but unfortunately that's out of my price range ?

I got bored after the first long paragraph ?
OP put in a cheap $50 gpu to fix you vertical line problem then use your 2010 as a monitor.

Problem solved.
Is that the reason for the lines? The GPU is wearing out and not the panel itself? If I can fix it then that might be what I'll have to do, I just get worried because the fans don't seem to work properly when using it as a monitor and it's scalding hot by end of day.
 

The_Croupier

macrumors 6502
Oct 11, 2018
419
284
Nice option, but unfortunately that's out of my price range ?


Is that the reason for the lines? The GPU is wearing out and not the panel itself? If I can fix it then that might be what I'll have to do, I just get worried because the fans don't seem to work properly when using it as a monitor and it's scalding hot by end of day.
Most likely, post a pic if you can. You also have the option to gut the iMac and turn it into a monitor for pretty cheap.

There are guides out there to do this, or the GPU threat here in this forum for gpu replacement.
 

Kupo12

macrumors newbie
Original poster
Oct 1, 2021
24
14
Most likely, post a pic if you can. You also have the option to gut the iMac and turn it into a monitor for pretty cheap.

There are guides out there to do this, or the GPU threat here in this forum for gpu replacement.
Lines are like this all along the entire screen, about 1cm apart. Those sound like solid solutions, I'm not terribly tech savvy so if I end up doing one of them, it'll be the one that requires the least effort haha.

On a side note, how are people liking the new m1 imacs? I went to bestbuy today to take a look at more monitors and checked them out... making it all the more painful for me to diverge from church of apple.
 

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The_Croupier

macrumors 6502
Oct 11, 2018
419
284
Looks to me to be GPU related artifacts but to be %100 sure you can hook your iMac up to your tv, if the tv image looks like the inbuilt panel image then it’s definitely your internal gpu card.

If your TV image looks good then I’m guess it could be a failing backlight inverter board which is also cheap to replace.

I have never seen a panel completely fail, only dust inside causing clouding, burnt leds in the light strip causing yellow tint or half screen dark from a cold solder joint to the led light strip.

Other related issues can be from damaged flex cables and sockets.
 

Kupo12

macrumors newbie
Original poster
Oct 1, 2021
24
14
Looks to me to be GPU related artifacts but to be %100 sure you can hook your iMac up to your tv, if the tv image looks like the inbuilt panel image then it’s definitely your internal gpu card.

If your TV image looks good then I’m guess it could be a failing backlight inverter board which is also cheap to replace.

I have never seen a panel completely fail, only dust inside causing clouding, burnt leds in the light strip causing yellow tint or half screen dark from a cold solder joint to the led light strip.

Other related issues can be from damaged flex cables and sockets.
Looks like I've got some tinkering to do. Thanks for the advice.
 
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