Apple powermac g3 blue.white Manuales De Servicio

 

 Troubleshooting

Symptom Charts/Video and Sound - 45

 

9 Replace monitor cable.

10 Replace the video card.

11 Replace processor module.

12 Replace logic board.

13 Replace power supply.

Boot tone is present 

and screen lights up, 

but nothing is 

displayed on screen

1 Check video cable/card connections. If using a VGA to 

Macintosh adapter refer to “VGA-to-Macintosh Adapter” 

earlier in this chapter.

2 Reset Cuda chip. (Refer to “The Cuda Chip” in this chapter 

for instructions.)

3 Reset logic board. (Refer to “Resetting the Logic Board” in 

this chapter for instructions.)

4 Reseat all PCI cards and SDRAM.

5 Reseat processor module.

6 Replace monitor cable.

7 Test with known-good monitor. Replace monitor if necessary. 

Refer to appropriate monitor manual to troubleshoot