SOLVED: How to fix "vertical lines" on my iMac 27 late 2009 - iMac Intel 27" EMC 2309 and 2374 - iFixit
![Blue stripes on Mac screen. It was working the day before, and today just poof. I have no idea what to do or what's going on. Lots of important data on the Blue stripes on Mac screen. It was working the day before, and today just poof. I have no idea what to do or what's going on. Lots of important data on the](https://preview.redd.it/p18ausacodr61.jpg?auto=webp&s=9726ed3b288d112d8e1394170f684d6fb1343bd3)
Blue stripes on Mac screen. It was working the day before, and today just poof. I have no idea what to do or what's going on. Lots of important data on the
![More lines appear on this iMac screen. Could it be due to the non genuine power cable? Why does the screen do this : r/mac More lines appear on this iMac screen. Could it be due to the non genuine power cable? Why does the screen do this : r/mac](https://preview.redd.it/vmjbyaxpnxn61.jpg?auto=webp&s=7c79370bd94efaa8826ca8f8609228b485c35b03)
More lines appear on this iMac screen. Could it be due to the non genuine power cable? Why does the screen do this : r/mac
![Imac Video chip Failure - lines and pixelation on the screen - Computer Repair- Overnight PC & MAC Repair Los Angeles Imac Video chip Failure - lines and pixelation on the screen - Computer Repair- Overnight PC & MAC Repair Los Angeles](http://www.overnightpcrepair.com/wp-content/uploads/2014/12/imac-video-chip-fail.jpg)