User Guide

Mac Pro (8x) Troubleshooting — Symptom Charts 154
Bluetooth Card
Bluetooth Card does not appear to function and is not recognized by System
Proler
Start up the computer from a known-good volume (such as an external hard drive) with 1.
Bluetooth driver software installed, to isolate the issue to software or hardware. If the
computer seems to perform adequately when booted in this way, troubleshoot as a software
issue. If the computer continues to exhibit the issue, follow the steps below.
Reseat card and antenna cable connected to card2.
Replace card3.
Replace logic board4.
Bluetooth Card does not appear to function or has weak performance and is
recognized by System Proler
Start up the computer from a known-good volume (such as an external hard drive) with 1.
Bluetooth driver software installed, to isolate the issue to software or hardware. If the
computer seems to perform adequately when booted in this way, troubleshoot as a software
issue. If the computer continues to exhibit the issue, follow the steps below.
Reseat card and antenna cable connected to card 2.
Replace card3.
If poor signal strength is the issue, replace the Bluetooth antenna board / cable assembly4.
Replace logic board5.
Other Failures
Optical drive
Try dierent optical media.1.
If two drives are installed, check the Master/Slave or Cable Select jumpers on both optical 2.
drives (this will depend on drive vendor). Both drives should be set to ‘Cable Select’ mode for
proper operation.
If two drives are installed, test one optical drive at a time by disconnecting one of the drives 3.
to see if the other one works.
Replace optical drive cable 4.
Replace optical drive 5.
Replace logic board 6.