Symptom
Mac OS X icons in the Finder or Dock appear with black horizontal lines (bars, stripes, bands) over them, as in Figure 1.
Figure 1 Icons with black lines
Solution
This is a cosmetic issue. It cannot be resolved by troubleshooting. The issue may occur more often when the computer is using a lot of virtual memory. Restarting the computer or installing more memory (RAM) may prevent the issue from occurring as often, depending on how the computer is used.
Mac OS X icons in the Finder or Dock appear with black horizontal lines (bars, stripes, bands) over them, as in Figure 1.
Figure 1 Icons with black lines
Solution
This is a cosmetic issue. It cannot be resolved by troubleshooting. The issue may occur more often when the computer is using a lot of virtual memory. Restarting the computer or installing more memory (RAM) may prevent the issue from occurring as often, depending on how the computer is used.