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Troubleshooting Symptom Charts/Peripherals
(Continued)
- 22
Peripherals
(Continued)
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 Reseat ROM, RAM, and cache SIMMs, and reseat terminator
card.
6 Replace logic board. Retain customer’s SIMMs.