I've swapped the LCD (twice), V-sync Cable, Inverter Board, LVDS cable, even all of these items. Since i hadnt gotten a reply soon enough, ive taken this iMac in to my supplier and tested it with a bunch of known-good-parts. Is there somebody who knows about the motherboardsĪnd what can cause this kind of error? I got good solder the same problem as the other iMac! Totally the same So the port was broken and i soledered a new one today in Someone took the lcd out without unplugging the lvds cable, The other suggestion would be to look for an authorized Apple computer store or Apple store near you and see if they'll fix it free of charge. The only thing you might try doing is just to Google it and research it online for a good manual on the problem or even go to your library and look for a manual there. My Dh finally took his iMac to a local Mac dealer and they're going to fix it free of charge, because the vertical lines were a big time issue with some iMacs started back couple years ago. Got your most recent post via email, (below), but I don't see it anywhere on here. No one has the solution and i know i am not alone. So its definitely the motherboard and something is wrong with the internal display cable port.Ģ hours later I soldered all the connection points from the lvds port to clear out that there are no dead solder points.Īlso its not the connector, maybe it is, so i would have to order a new port to solder it. Pluggen everything thats not needed off, but still nothing.
Now, a few hours later, graphics card replaced and still nothing. perfect screen on my tv, no lines und no problems. I think its the internal display port or damaged ic's in it or something else on the motherboard.Īlso very important, i tried the mini displayport to hdmi. after that we will definitely know what the cause for that apple fault is. but maybe i need some help from someone else. I didnt try to change dumb things like the odd, camera, ram or cpu.
I replaced the lcd und nothing was better.Īfter that i replaced the power board next to the power supply and also i replaced the power supply. I ordered new lvds cable and v.sync cable. So i startet replacing the parts of the imacs to analyse the problem. So i waited a few weeks to buy another ii5 with just another cpu and a faulty gpu which i repaired and now its working very well. I bought a faulty ii7 with harddrive damage but the seller didnt told me there were these digital vertical stripes all over the whole screen. Hi everybody, my name is george and i'm from germany.
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