Apple emac ati usb2 2005 서비스 매뉴얼
eMac ATI Graphics /USB 2.0/2005 Troubleshooting - 39
Mass Storage Symptom Charts
Mass Storage
Flashing question mark appears on the screen
1.
Boot from the system CD that came with the computer and see if the hard drive mounts on the desktop.
2.
Boot from Apple Hardware Test (hold down the “C” key at startup). Run both quick and extended tests.
Proceed based on any error codes given. See AppleCare Knowledge Base article 112125 - Service
Diagnostics Matrix for Error Code information.
3.
If no hard drive is found in Drive Setup, verify the hard drive cable connections.
4.
Replace the hard drive cable.
5.
Reinstall the software drivers for the hard drive.
6.
Reinstall system software. Note: Backup the data first.
7.
Reinitialize the hard drive.
8.
Replace the hard drive.
9.
Replace the logic board.
Alternating flashing question mark and a flashing Mac OS face on a folder.
1.
This symptom could indicate damaged system software or non-compatible system software. Boot from
the system CD that came with the computer and see if the hard drive mounts on the desktop.
2.
Boot from Apple Hardware Test (hold down the “C” key at startup). Run both quick and extended tests.
Proceed based on any error codes given. See AppleCare Knowledge Base article 112125 - Service
Diagnostics Matrix for Error Code information.
3.
If no hard drive is found in Drive Setup, verify the hard drive cable connections.
4.
Replace the hard drive cable.
5.
Reinstall the software drivers for the hard drive.
6.
Reinstall system software. Note: Backup the data first.
7.
Reinitialize the hard drive.
8.
Replace the hard drive.
9.
Replace the logic board.
Hard drive spins, but won’t mount to the desktop
1.
Disconnect any connected peripherals.
2.
Boot from Apple Hardware Test (hold down the “C” key at startup). Run both quick and extended tests.
Proceed based on any error codes given. See AppleCare Knowledge Base article 112125 - Service
Diagnostics Matrix for Error Code information.
3.
If no hard drive is found in Drive Setup, verify the hard drive cable connections.
4.
Replace the hard drive cable.