Appendix B. Problem Solving - Lenovo ThinkCentre 41N5624 User Manual

Appendix B. Problem solving

Computer problems can be caused by hardware, software, or user error. Using the
information in this section, you might be able to solve problems yourself or gather
helpful information that you can pass on to a service technician. You might also
need to refer to your computer, operating-system, or sound-adapter
documentation.
Review the following list for any problem description that might fit your situation.
v Your computer or CD-RW/DVD-ROM Combination Drive does not operate
v You cannot access the CD-RW/DVD-ROM Combination Drive, or the
© Lenovo 2006. Portions © IBM Corp. 2004.
correctly, or the busy indicator light does not come on.
Take the following actions:
1. Check that the disc is loaded with the label side up.
2. Check that all devices are properly connected to the computer and to the
electrical outlet.
3. Turn off the computer, unplug the cables for your computer and all attached
devices, and remove the computer cover.
4. Check that all power and Serial ATA cables are securely attached. Disconnect
the Serial ATA cable and check for bent or misaligned pins. If you do not
find any problems, reconnect the interface cable. Replace the computer cover,
and reattach all cables and power cords. Turn on the computer, restart the
operating system, and attempt to open the loading tray by pressing the
Open/Close button. If the tray fails to open and the Busy indicator does not
light, turn off the computer and try using another 15 PIN power cable.
5. Check the CD-RW/DVD-ROM Combination Drive and any other device on
the Serial ATA cable for the proper settings.
DVD-ROM (CD-ROM) icon is not displayed.
When the CD-RW/DVD-ROM Combination Drive is properly installed, a
DVD-ROM or CD-ROM icon is displayed in the My Computer window.
Double-click My Computer. If a CD-ROM icon is not displayed in the window
that opens, verify that the drive has been properly installed. Verify that the
configuration jumper is set properly. Restart your computer. If a drive icon is
still not displayed, continue with the following steps:
1. Click Start, click Settings, and then click Control Panel.
2. Click System.
3. Click the Device Manager tab.
4. Double-click View Devices by Type.
5. Select IDE ATA/ATAPI controllers from the list displayed in the Device
Manager window. Verify that there are no conflicts with the controller. The
device status indicates whether the controller is working properly.
6. Select CD-ROM from the list that is displayed in the Device Manager
window. Verify that a CD-ROM device is present in the list and that no
conflicts exist. The device status indicates whether the device is working
properly.
7. Click OK.
8. Close all windows and restart the computer.
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