A good way to test the screen and graphics card- connect an external monitor. If the image is corrupt on the external, the video card has a problem, otherwise, it's the screen.
On Sun, Feb 7, 2010 at 1:36 AM, Jonas Ulrich <jonasulrich3...@gmail.com>wrote: > Hi all, someone gave me this iMac the other day, and it has the dreaded > graphics issue: Anything of a light color on the screen is distorted and has > small lines and distorted pixels. (see picture) I've determined this is not > a screen problem because I took a screen shot and opened it on another > machine and saw the problem still. Here is what I've tried: > > Zapped pram > Reset nvram > Reset SMU > Reinstalled the OS > Cleaned inside and re seated all the cables. > Checked capacitors, there is NO swelling or leaking > > Is there something I can try to fix the graphics chip? What exactly is the > problem? Thanks in advanced! > > P.S It is the 2nd generation imac 20" with a 2.0GHZ G5 Processor. > > -Jonas > > -- > You received this message because you are a member of G-Group, a group for > those using G3, G4, and G5 desktop Macs - with a particular focus on Power > Macs. > The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our > netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml > To post to this group, send email to g3-5-list@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/g3-5-list > -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
