![background image](http://html.mh-extra.com/html/hp/255-g4/255-g4_maintenance-and-service-manual_160635094.webp)
Configuration
, then
AMT Options
. Then select
Unconfigure AMT
on next boot. Select
Save
then
Yes
. Select the
File
menu, and then select
Save Changes and Exit
. Reboot the system and confirm
that you want to unconfigure AMT.
j.
If the optional Intel® Anti-Theft Technology (AT) was activated, contact the provider to deactivate
it.
k.
If the optional Absolute® Software Computrace® management and tracking service was activated
on the notebook PC, contact the provider to deactivate it.
l.
Remove all power and system batteries for at least 24 hours.
2.
Remove and retain the storage drive or clear the contents of the drive.
a.
Hard Disk Drive (HDD)
Clear the HDD contents by using the HP Disk Sanitizer® utility or a third party application that,
ideally, is U.S. Department of Defense (DOD) 5220.22-M approved.
To run HP Disk Sanitizer, enter BIOS Setup by powering on the system and pressing
F10
when
prompted near the bottom of the display, or press
ESC
to display the start up menu, then press
F10
. Select the
Security
menu and scroll down to the
Utilities
menu. Select
Disk Sanitizer
and
select the desired drive. For a higher level of protection, select
Optimum
.
NOTE:
This process will take a long time, and the amount of time varies based on the hard drive
capacity.
b.
Solid State Drive (SSD)
Clear the SSD contents by using the BIOS Setup Secure Erase command option, or by using a third
party utility designed to erase data from an SSD. To run Secure Erase, enter BIOS Setup by
powering on the system and pressing
F10
when prompted near the bottom of the display. Select
the
Security
menu and scroll down to the
Utilities
menu. Select
Secure Erase
and select the
desired hard drive.
86
Chapter 13 Statement of Volatility
Summary of Contents for 255 G4
Page 1: ...HP Notebook PC AMD HP 255 G4 Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 12: ...4 Chapter 1 Product description ...
Page 22: ...14 Chapter 2 External component identification ...
Page 30: ...22 Chapter 3 Illustrated parts catalog ...
Page 38: ...30 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...
Page 70: ...62 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ...
Page 80: ...72 Chapter 9 Backing up restoring and recovering in Windows 8 1 ...
Page 88: ...80 Chapter 11 Using HP PC Hardware Diagnostics UEFI ...
Page 98: ...90 Chapter 13 Statement of Volatility ...
Page 102: ...94 Chapter 14 Power cord set requirements ...
Page 104: ...96 Chapter 15 Recycling ...
Page 108: ...100 Index ...