Power Supply Unit (Psu) Lock - Dell Precision Tower 7910 Owner's Manual

Power Supply Unit (PSU) Lock

The PSU lock prevents the removal of the PSU from the chassis.
NOTE: To lock or unlock the PSU, always ensure that the cover of the chassis is removed.
To secure the PSU, remove the screw from the unlock screw location and tighten the screw to the lock
location. Similarly, to unlock the PSU, remove the screw from the lock screw location and tighten the
screw to the unlock screw location.
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