Dell OptiPlex 755 - Manual (Page 56)

56
Quick Reference Guide
Inside Your Computer
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
CAUTION:
To avoid electrical shock, always unplug your computer from the AC
power adapter before removing the cover.
NOTICE:
To prevent static damage to components inside your computer, discharge
static electricity from your body before you touch any of your computer’s electronic
components. You can do so by touching an unpainted metal surface on the
computer chassis.
1 release knob