Dell OptiPlex 755 User Manual page 368

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:
Product Information
Before working inside your computer, follow the safety instructions in your
Guide
.
368
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