Apple Power Macintosh 7200/75 Specifications download pdf (Page 62)

Troubleshooting Symptom Charts/Peripherals - 20

Double-click doesn’t

open application,

disk, or server

1 Remove duplicate system folders.

2 Clear parameter RAM. Hold down <Command> <Option> <P>

<R> during startup but before "Welcome to Macintosh"

appears.

3 If mouse was connected to keyboard, connect mouse to

computer ADB port instead. If mouse works, replace

keyboard.

4 If mouse does not work in any ADB port on computer, replace

mouse.

5 Replace logic board. Retain customer's DIMMs.

No response to any

key on keyboard

1 Check keyboard connection to ADB port.

2 Replace keyboard cable.

3 Replace keyboard.

4 Replace logic board. Retain customer's DIMMs.

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Apple Power Macintosh 7200/75 Specifications Page 62