Dell OptiPlex 755 User's Guide - Page 368
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Remember to fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 369). If possible, turn on your computer before you call Dell for 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 itself. Ensure that the computer documentation is available. CAUTION: Before working inside your computer, follow the safety instructions in your Product Information Guide. 368 Getting Help
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368
Getting Help
Remember to fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 369). If possible, turn
on your computer before you call Dell for 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 itself. Ensure that the computer documentation
is available.
CAUTION:
Before working inside your computer, follow the safety instructions in your
Product Information
Guide
.