Acer eMachines E720 Series, Service Manual

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148 Chapter 4
ODD Failure
If the ODD fails, perform the following actions one at a time to correct the problem. Do not replace a non-
defective FRUs:
ODD Not Operating Correctly
If the ODD exhibits any of the following symptoms it may be faulty:
•
Audio CDs do not play when loaded
•
DVDs do not play when loaded
•
Blank discs do not burn correctly
•
DVD or CD play breaks up or jumps
•
Optical drive not found or not active:
•
Not shown in My Computer or the BIOS setup
•
LED does not flash when the computer starts up
•
The tray does not eject
•
Access failure screen displays
•
The ODD is noisy
Perform the following general solutions one at a time to correct the problem.
1. Reboot the computer and retry the operation.
2. Try an alternate disc.
3. Navigate to Start
´
Computer . Check that the ODD device is displayed in the Devices with Removable
Storage panel.
4. Navigate to Start
´
Control Panel
´
System and Maintenance
´
System
´
Device Manager .
a. Double-click lDE ATA/ATAPI controllers . If a device displays a down arrow, right-click on the device
and click Enable .
b. Double-click DVD/CD-ROM drives . If the device displays a down arrow, right-click on the device and
click Enable .