Troubleshooting

 

Symptom Charts/Startup (Continued) - 3

 

 

Startup (Continued)

Screen displays

1

Reseat RAM expansion card.

checkerboard pattern;

2

Replace RAM expansion card.

no startup chime

3

Replace daughterboard.

 

 

4

Reseat display cable.

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Image 29
Apple 170, 145B manual Startup