TroubleshootingSymptom Charts/Miscellaneous (Continued) - 29
Miscellaneous (Continued)
No sound from | 1 | Verify that volume setting in Control Panel is above 0. |
speaker | 2 | Verify that no external speaker is plugged in. |
| 3 | Check connections of speaker to interconnect board and |
| 4 | interconnect board to motherboard. |
| Replace interconnect board. | |
| 5 | Replace motherboard. |
System freezes | PowerBook 540/540c: Replace daughterboard (CPRC and | |
intermittently, | international repairers only). | |
usually after being on |
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for awhile |
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PowerBook clicks | Reinstall center base cover, making sure screw nearest SCSI port | |
when closed | is installed first. (See Take Apart.) | |
