iMac (27-inch, Mid 2010) Symptom Charts — Display 67
2010-09-09
6. Verify if issue is still present
with replacement logic board
installed.
Yes Go to step 7
No Issue resolved.
7. Reinstall original logic board
and verify if issue is still present
with original logic board
reinstalled.
Yes Replace LCD panel. Run Apple
Service Display Utility to
verify the resolution of issue.
Enter the resulting verication
code into the “Notes” eld
of GSX and return system to
customer if repair is complete.
L04
No Issue resolved. If video card
was replaced, reinstall original
video card.