Compaq 164197-003 Deskpro EN Series of Personal Computers - Slim Desktop Model - Page 37

Unlocking the Smart Cover Lock

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4.3 Unlocking the Smart Cover Lock The Smart Cover Lock is a software-controllable cover lock. This lock prevents unauthorized access to the internal components when the Smart Cover Lock and setup password are enabled. If you enabled the Smart Cover Lock, use Computer Setup to unlock it. If you enabled the Smart Cover Lock and cannot enter your password to disable the lock, you will need a Smart Cover FailSafe Key (Compaq spare PN 166527-001 or 166527-002) to open the computer cover. You will also need the key in any of the following circumstances: ! Power outage ! Startup failure ! PC component (e.g., processor or power supply) failure ! Lost password CAUTION: Turn off the computer before disconnecting any cables. CAUTION: When the computer is plugged into an AC power source there is always voltage applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. CAUTION: The cooling fan is off only when the computer is turned off or the power cable has been disconnected. The cooling fan is always on in all other instances (when the computer is either in the "On," "Standby," or "Suspend" mode). You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. 4-4 Removal & Replacement Procedures

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4-4
Removal & Replacement Procedures
4.3
Unlocking the Smart Cover Lock
The Smart Cover Lock is a software-controllable cover lock. This lock prevents
unauthorized access to the internal components when the Smart Cover Lock and setup
password are enabled.
If you enabled the Smart Cover Lock, use Computer Setup to unlock it.
If you enabled the Smart Cover Lock and cannot enter your password to disable the lock,
you will need a Smart Cover FailSafe Key (Compaq spare PN 166527-001 or 166527-002)
to open the computer cover. You will also need the key in any of the following
circumstances:
!
Power outage
!
Startup failure
!
PC component (e.g., processor or power supply) failure
!
Lost password
CAUTION:
Turn off the computer before disconnecting any cables.
CAUTION:
When the computer is plugged into an AC power source there is always voltage applied
to the system board. You must disconnect the power cord from the power source before opening
the computer to prevent system board or component damage.
CAUTION:
The cooling fan is off
only
when the computer is turned off or the power cable has
been disconnected.
The cooling fan is always on in all other instances (when the computer is either in the “On,”
“Standby,” or “Suspend” mode).
You must disconnect the power cord from the power source before opening the computer to
prevent system board or component damage.