iMac (27-inch, Mid 2010) Symptom Charts — Display 59
2010-09-09
4. Verify if issue is bright or dark
pixel anomalies.
Yes Go to pixel anomalies.
No Go to step 5.
5. Verify if issue is vertical or
horizontal lines.
Yes Go to vertical/horizontal
lines.
No Go to step 6.
6. Verify if issue is non-uniform
brightness.
Yes Go to non-uniform
brightness.
No LCD functioning OK. Return to
appropriate symptom ow if
issue is still present.