Dell Dimension L c Series, Справочное и ремонтное руководство

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Checking Inside Your Computer 6-7
The following subsections provide troubleshooting checks for some specific types of
drives.
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If you completed the basic drive checks (refer to “Drives” in Chapter 4 and this chap-
ter) and suspect a problem with a CD-ROM or DVD-ROM drive, perform the following
checks:
‡
Check for hardware conflicts as described in “Resolving Software and Hardware
Incompatibilities” in Chapter 5.
‡
If your system is running Windows 98, double-click the System icon in the Con-
trol Panel and check the Performance tab for any system messages regarding
compatibility.
‡
Clear NVRAM as described in “Clearing NVRAM” in Appendix B.
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If you completed the basic drive checks (refer to “Drives” in Chapter 4 and this chap-
ter) and suspect a problem with a hard-disk drive, clear NVRAM as described in
“Clearing NVRAM” in Appendix B.
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If an error message indicates a system board problem, the boot routine does not
complete (refer to “Start-Up Routine” in Chapter 4), or if the power supply fan does
not spin when power is on, perform the following steps:
1. Verify that the electrical outlet to which the computer is connected is properly
functioning. Test the electrical outlet with another electrical device, such as a
lamp.
2. Remove the computer cover and rotate the power supply as described in
“Removing and Replacing the Computer Cover” and “Rotating the Power Supply
Away From the System Board” in Chapter 2.
3. Remove all expansion cards as described in “Removing Expansion Cards” in
Chapter 2.
4. If the system does not boot, check connections and perform the following steps:
a. Reseat the control panel cable and power cable connectors from the power
supply to the system board (see Figure 2-5 for connector locations).
b. Remove the hard-disk drive as described in step 4 of “Replacing the Hard-
Disk Drive” in Chapter 3. Disconnect the DC power cable connectors to all
other drives
except
for the 3.5-inch diskette drive and the CD-ROM/
DVD-ROM drive.