Specifications

Troubleshooting Symptom Charts/Built-in Video (Continued) - 5
Built-in Video
(Continued)
Partial or whole
screen is bright and
audio is present, but
no video information
is visible
1 Verify monitor works with another Macintosh.
2 Replace video cable.
3 Replace monitor.
4 Replace logic board. Retain customer’s SIMMs.
Screen is completely
dark, fan is not
running, and LED is
not lit
1 Plug monitor directly into wall socket. Verify that monitor
has power.
2 Remove expansion card, if present.
3 Remove peripherals.
4 Disconnect hard drive and floppy drive.
5 Replace power supply.
6 Replace logic board. Retain customer’s SIMMs.