Apple powermac server g3 minitow Servicehandbuch
Troubleshooting
Symptom Charts/Miscellaneous - 35
Miscellaneous
No sound from
speaker
1 Disconnect any microphones or external speakers.
2 Verify that volume setting in Control Panel is adequate and
mute is not checked.
3 Clear parameter RAM. Hold down Command-Option-P-R
during startup but before "Welcome to Macintosh" appears.
Verify speaker is plugged into logic board.
4 Plug headphones or external speakers into the external jack.
If the external jack works, replace the internal speaker or
logic board. If the external jack doesn’t work, proceed to the
next step.
5 Replace I/O Audio card.
6 Replace speaker.
7 Replace logic board.
Ethernet connection
drops off line by itself
Install Ethernet driver 2.0.4 or later.