HP ZBook Studio G4 Base Model Mobile Workstation User Manual download pdf (Page 170)

g. If a DriveLock password is set, select the Security menu, and scroll down to Hard Drive Utilities

under the Utilities menu. Select Hard Drive Utilities, select DriveLock, then uncheck the checkbox

for DriveLock password on restart. Select OK to proceed.

h. Select the Main menu, and then select Reset BIOS Security to factory default. Click Yes at the

warning message.

The computer will reboot.

i. During the reboot, press esc while the “Press the ESC key for Startup Menu” message is displayed

at the bottom of the screen.

NOTE: If the system has a BIOS administrator password, enter the password at the prompt.

j. Select the Main menu, select Apply Factory Defaults and Exit, select Yes to save changes and exit,

and then select Shutdown.

k. Reboot the system. If the system has a Trusted Platform Module (TPM) and/or ngerprint reader,

one or two prompts will appear—one to clear the TPM and the other to Reset Fingerprint Sensor;

press or tap F1 to accept or F2 to reject.

l. Remove all power and system batteries for at least 24 hours.

2. Complete one of the following:

●

Remove and retain the storage drive.

– or –

●

Clear the drive contents by using a third party utility designed to erase data from an SSD.

– or –

●

Clear the contents of the drive by using the following BIOS Setup Secure Erase command option

steps:

IMPORTANT: If you clear data using Secure Erase, it cannot be recovered.

a. Turn on or restart the computer, and then press esc while the "Press the ESC key for Startup Menu"

message is displayed at the bottom of the screen.

b. Select the Security menu and scroll down to the Utilities menu.

c. Select Hard Drive Utilities.

d. Under Utilities, select Secure Erase, select the hard drive storing the data you want to clear, and

then follow the on-screen instructions to continue.

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HP ZBook Studio G4 Base Model Mobile Workstation User Manual Page 170