Apple performa 400 series Instruction De Maintenance

 

 Troubleshooting

Symptom Charts/Miscellaneous - 15

 

System seems to boot; 

then message “Finder 

is old version” 

displays

Install newer version of system software.

System 

intermittently doesn’t 

power on

1 Check cables.

2 Plug monitor directly into wall socket. Verify that monitor 

has power.

3 Try known-good keyboard and ADB cable.

4 Replace power cord.

5 Check batteries. See “Battery Verification” in Additional 

Procedures.

6 Replace logic board. Retain customer’s SIMMs.

Monitor raster width 

too narrow

Refer to Adjustments section in appropriate Monitor manual for 

horizontal size (width) adjustment.