Specifications

Troubleshooting Symptom Charts/Miscellaneous - 19
Miscellaneous
Unable to download
saved adjustment
settings to new
microprocessor board
1 Check that your version of Display Setting Restore Utility
matches the current version in the Diagnostics folder on
Service Source CD.
2 Contact Apple Technical Support.
Picture has vertical
jitter
1 Move monitor to different location and see if symptom
persists.
Note:
This symptom is often caused by electromagnetic
interference (electronic devices, fluorescent lights, power
lines, etc.). Refer to “First Checklist” in this chapter.
2 Replace microprocessor board after downloading settings as
described in “Display Setting Restoration” in this chapter.
Caution:
To prevent data loss or corruption, always save
EEPROM settings before you replace the microprocessor
board.