Vertical line on screen (possibly stuck pixels?): likely causes?My display suddenly developed a thin vertical line of permanently blue pixels. Looks to be one pixel wide. The closest...
Antwoord op "Does periodic freeze-up require new logic board?"Is any third-party RAM installed? If so, pull it and see if that makes a difference. I had persistent, difficult to identify problems (freezes, kernel panics, everything) that eventually turned out to be caused by dodgy RAM. Probably you have a different issue, but this is such an easy check, it is worth doing.