Dell Dimension XPS 50 Reference Manual page 113

Remember to fill out the Diagnostics Checklist (Figure 7-1). If possible, turn on your
system before you call Dell for technical assistance and call from a telephone at or
near the computer. You may be asked to type some commands at the keyboard, relay
detailed information during operations, or try other troubleshooting steps possible
only at the computer system itself. Make sure that the system documentation is
available.
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