Apple WS 7250/120 Manuale Utente

Pagina di 158
 
 Troubleshooting
Symptom Charts/System - 5
 
System
 
Does not power on, 
screen is black, fan is 
not running and LED 
is not lit
1 Check power cables.
2 Plug monitor directly into wall socket, and verify that 
monitor has power.
3 Reseat ROM SIMM (if present).
4 Reset Cuda chip. (Refer to The Cuda Chip in Basics for 
instructions.)
5 Reset logic board. (Refer to Resetting the Logic Board in 
Basics for instructions.)
6 Replace power cord.
7 Replace power supply.
8 Replace logic board. Retain customer's DIMMs.