Dell PowerEdge 2450, Инструкция по установке и устранению неисправностей

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6-4 Dell PowerEdge 2450 Systems Installation and Troubleshooting Guide
3. Check the contents of the start-up files. See “Installing and Configuring Soft-
ware” in Chapter 4, “Finding Software Solutions.”
Are the port configuration commands correct?
Yes . Go to step 5.
No . Go to step 4.
4. Change the necessary statements in the start-up files. If the port problem is con-
fined to a particular application program, see the application program's
documentation for specific port configuration requirements.
Is the problem resolved?
Yes . You have fixed the problem.
No . Go to step 5.
5. Reboot the system from the diagnostics diskette, and run the serial ports test
and/or the parallel ports test in the Dell Diagnostics.
Did the tests run successfully?
Yes . Go to step 6.
No . See Chapter 11, “Getting Help,” for instructions on obtaining technical
assistance.
6. If the problem persists, go to one of the following sections, “Troubleshooting a
Parallel Printer” or “Troubleshooting a Serial I/O Device,” depending on which
device appears to be malfunctioning.
If the procedure in the preceding section, “Troubleshooting the Basic I/O Functions,”
indicates that the problem is with a parallel printer, perform the following steps:
1. Turn off the parallel printer and computer.
2. Swap the parallel printer interface cable with a known working cable.
3. Turn on the parallel printer and computer.
4. Attempt a print operation on the parallel printer.
Did the print operation run successfully?
Yes . The interface cable must be replaced. See Chapter 11, "Getting Help," for
instructions on obtaining technical assistance.
No . Go to step 5.