T Trhodezy macrumors 6502 Original poster Dec 29, 2010 310 140 Feb 18, 2019 #1 Hey all, Just been given an old iMac to play with and the screen occasionally pops up with vertical lines (see photo below). Does anyone know what they are or what could be causing it? Thanks. Attachments CD726D70-0387-4F3B-9173-EAD4D90E6EC6.jpeg 5 MB · Views: 88
Hey all, Just been given an old iMac to play with and the screen occasionally pops up with vertical lines (see photo below). Does anyone know what they are or what could be causing it? Thanks.
R Razzerman macrumors 6502 Sep 11, 2007 276 172 Feb 18, 2019 #2 Probably the graphics card. Have a look at this thread.