Apple powermac g3 blue.white Service Manual

 

 Troubleshooting

Symptom Charts/System - 38

 

During startup, 

following message is 

displayed, “This 

startup disk will not 

work on this 

Macintosh model....”

1 Verify startup disk is good.

2 Verify system software is Mac OS 8.5.1 with Mac OS ROM 

1.2.

3 Perform a clean install of system software with the CD that 

came with the unit.

System freezes during 

normal operation

1 Use the Extension Manager in Controls Panels. Boot with 

Extensions off by holding down the Shift key during startup. 

Begin adding back the system Extensions one at a time and 

starting up the system after each addition. 

2 Perform a clean install of system software with the CD that 

came with the unit.

3 Check for bad USB devices. Turn off the computer and 

disconnect all USB devices. Next, power on the system using 

the power button on the front of the unit, and begin adding 

back the USB devices one at time, beginning with the 

keyboard and then the mouse, and so on. If the system hangs