HP E1Z74UT User Manual download pdf (Page 234)

Using the smart cover FailSafe key to remove the

smart cover lock

To open the access panel with the Smart Cover Lock engaged:

1. Remove/disengage any security devices that prohibit opening the computer.

2. Remove all removable media, such as compact discs or USB flash drives, from the computer.

3. Turn off the computer properly through the operating system, then turn off any external devices.

4. Disconnect the power cord from the power outlet and disconnect any external devices.

CAUTION: Regardless of the power-on state, voltage is always present on the system board as

long as the system is plugged into an active AC outlet. You must disconnect the power cord to

avoid damage to the internal components of the computer.

5. Use the Smart Cover FailSafe Key to remove the tamper-proof screw(s) that secure the Smart Cover

Lock to the chassis.

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Removing the Smart Cover Lock Screws from the Tower

224 Appendix B Unlocking the smart cover lock

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HP E1Z74UT User Manual Page 234