HP E1Z74UT E1Z74UT#ABA, E1Z77UT E1Z77UT#ABA, E1Z75UT E1Z75UT#ABA Smart Cover Lock solenoid lock

Smart Cover Lock (solenoid lock)

Description	Spare part number
Solenoid lock	641498-001

NOTE: The Smart Cover Lock is an optional feature included on some models only.

The Smart Cover Lock is a software-controllable cover lock, controlled by the setup password. This lock prevents unauthorized access to the internal components. The computer ships with the Smart Cover Lock in the unlocked position.

If you enable the Smart Cover Lock and cannot enter your password to disable the lock, you will need a Smart Cover FailSafe Key to open the computer cover. You will need the key to access the internal computer components in any of the following circumstances:

{Power outage

{Startup failure

{PC component (for example, processor or power supply) failure

{Forgotten password

NOTE: The Smart Cover FailSafe Key is a specialized tool available from HP. Be prepared; order this key before you need it.

To obtain a FailSafe Key:

{Contact an authorized HP reseller or service provider. Order PN 166527-001 for the wrench-style key or PN 166527-002 for the screwdriver bit key.

{Refer to the HP Web site (http://www.hp.com) for ordering information.

{Call the appropriate number listed in the warranty.

1.Prepare the computer for disassembly (Preparation for disassembly on page 37).

2.Remove the access panel (Access panel on page 38).

74 Chapter 5 Removal and replacement procedures: Tower (TWR)