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HP ProDesk 680 G6 PCI Micro Maintenance and Service Guide - Page 93

Computer Setup—Advanced

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Table 6-2 Computer Setup-Security (continued) Option Description IMPORTANT: If you restoring a previously saved MBR after a disk utility or operating system modified the MBR, the data on the disk might become inaccessible. Only restore a previously saved MBR if you are confident that the current bootable disk's MBR has been corrupted or infected with a virus. ● Save/Restore GPT of System Hard Drive Enabling this feature saves the GUID Partition Table (GPT) of the system hard drive. If the GPT is subsequently changed, the user is prompted to choose whether to restore GPT. ● DriveLock/Automatic DriveLock Allows you to assign or modify a master or user password for hard drives. When this feature is enabled, the user is prompted to provide one of the DriveLock passwords during POST. If neither is successfully entered, the hard drive remains inaccessible until one of the passwords is successfully provided during a subsequent cold-boot sequence. NOTE: This selection appears only when at least one drive that supports the DriveLock feature is attached to the system. IMPORTANT: Be aware that these settings take place immediately. It is not necessary to save. IMPORTANT: Be sure to document the DriveLock password. Losing a DriveLock password will render a drive permanently locked. After you select a drive, the following options are available: - Set DriveLock Master Password. Sets the drive's master password but does not enable DriveLock. - Enable DriveLock. Sets the drive's user password and enables DriveLock. ● Secure Erase Lets you select a hard drive to completely erase. After you erase a hard drive with a program that uses Secure Erase firmware commands, no file recovery program, partition recovery program, or other data recovery method can extract data from the drive. ● Allow OPAL Hard Drive SED Authentication Default is disabled. System Management Command Allows authorized personnel to reset security settings during a service event. Default is enabled. Restore Security Settings This action resets security devices, clears BIOS passwords (not including DriveLock), and restores settings in to Default the Security menu to factory defaults. Computer Setup-Advanced This table provides information about the Computer Setup Advanced menu. NOTE: Support for specific Computer Setup options can vary, depending on the hardware configuration. Table 6-3 Computer Setup-Advanced (for advanced users) Option Heading Display Language Lets you select the language of the menus in F10 Setup and the keyboard layout. ENWW Computer Setup-Advanced 85

Section	Page
Product features	9
Standard configuration features	9
Front panel components	9
Rear panel components	10
Serial number location	11
Illustrated parts catalog	13
Computer major components	13
Mass storage devices	15
Cables	16
Miscellaneous parts	17
Routine care, SATA drive guidelines, and disassembly preparation	19
Electrostatic discharge information	20
Generating static electricity	20
Preventing electrostatic damage to equipment	21
Personal grounding methods and equipment	21
Grounding the work area	21
Recommended materials and equipment	22
Operating guidelines	22
Routine care	24
General cleaning safety precautions	24
Removing dirt and debris from your computer	24
Cleaning your computer with a disinfectant	25
Cleaning the computer case	25
Cleaning the keyboard	26
Cleaning the monitor	26
Cleaning the mouse	26
Service considerations	27
Tools and software requirements	27
Screws	27
Cables and connectors	27
Hard drives	27
Lithium coin cell battery	28
SATA hard drives	28
Cable management	29
Removal and replacement procedures	31
Preparation for disassembly	31
Access panel	31
Optical drive	32
Front bezel	33
Optical drive cage	34
2.5 inch hard drive	35
3.5 inch primary hard drive	36
Memory modules (DIMMs)	41
Expansion card	44
Solid-state drive	45
WLAN module	47
Speaker	49
Fan	49
Battery	50
Heat sink	52
Processor	54
Power supply	55
System board	58
System board callouts	58
Troubleshooting without diagnostics	59
Before you call for technical support	59
Helpful hints	60
Solving general problems	61
Cannot access the Computer Setup (F10) Utility when booting the computer	61
Computer appears locked up and will not turn off when the power button is pressed	61
Computer will not respond to keyboard or mouse	61
Computer date and time display is incorrect	61
There is no sound or sound volume is too low	62
Cannot remove computer cover or access panel	62
Poor performance	62
Computer powered off automatically and the power light blinks red four times and then white two time ...	63
System does not turn on and the lights on the front of the computer are not blinking	63
Solving power problems	65
Power supply shuts down intermittently	65
Computer turned off automatically, power light blinks red two times followed by a two-second pause, ...	65
Power light blinks red four times followed by a two-second pause and the computer beeps four times ( ...	65
Solving hard drive problems	67
Hard drive error occurs	67
Disk transaction problem	67
Drive not found (identified)	67
Nonsystem disk/NTLDR missing message	67
Computer will not boot from hard drive	68
Computer seems to be locked up	68
Solving audio problems	69
Sound cuts in and out	69
Sound does not come out of the speaker or headphones	69
Computer appears to be locked up while recording audio	69
Line-in jack is not functioning properly	70
Solving printer problems	71
Printer will not print	71
Printer will not turn on	71
Printer prints garbled information	71
Printer will not print	71
Solving keyboard and mouse problems	73
Keyboard commands and typing are not recognized by the computer	73
Mouse does not respond to movement or is too slow	73
Solving hardware installation problems	74
A new device is not recognized as part of the system	74
Computer will not start	74
Power light blinks red three times and then white two times	75
Solving network problems	76
Network driver does not detect network controller	76
Network status link light never blinks	76
Diagnostics reports a failure	76
Diagnostics passes, but the computer does not communicate with the network	77
Network controller stopped working when an expansion board was added to the computer	77
Network controller stops working without apparent cause	77
Cannot connect to network server when attempting remote system installation	77
System setup utility reports unprogrammed EEPROM	78
Solving memory problems	79
System will not boot or does not function properly after installing additional memory modules	79
Out of memory error	79
Memory count during POST is wrong	79
Insufficient memory error during operation.	80
Power light blinks red five times followed by a two-second pause and the computer beeps five times ( ...	80
Solving USB flash drive problems	81
USB flash drive is not seen as a drive letter in Windows	81
USB flash drive not found (identified)	81
System will not boot from USB flash drive	81
The computer boots to DOS after making a bootable flash drive	81
Solving internet access problems	82
Unable to connect to the internet	82
Cannot automatically launch internet programs	82
Solving software problems	83
Computer will not start up and the HP logo does not appear	83
“Illegal Operation has Occurred” error message is displayed	83
Computer Setup (F10) Utility	85
Using Computer Setup (F10) Utilities	85
Computer Setup—Main	86
Computer Setup—Security	89
Computer Setup—Advanced	93
POST error messages	101
POST numeric codes and text messages	101
Interpreting POST diagnostic front panel lights and audible codes	105
Password security and resetting CMOS	109
Changing a setup or power-on password	109
Deleting a setup or power-on password	110
Backing up, restoring, and recovering	111
Backing up information and creating recovery media	112
Using Windows tools for backing up	112
Using the HP Cloud Recovery Download Tool to create recovery media (select products only)	112
Restoring and recovering your system	113
Creating a system restore	113
Restoring and recovery methods	113
Recovering using HP Recovery media	113
Changing the computer boot order	114
Using HP Sure Recover (select products only)	114
Using HP PC Hardware Diagnostics	115
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store	115
Customizing Remote HP PC Hardware Diagnostics UEFI settings	115
Statement of memory volatility	117
Current BIOS steps	117
Nonvolatile memory usage	119
Questions and answers	121
Using HP Sure Start (select products only)	123
Power cord set requirements	125
General requirements	125
Japanese power cord requirements	125
Country-specific requirements	125
Specifications	127

Match case Limit results 1 per page

Table 6-2

Computer Setup—Security (continued)

Option

Description

IMPORTANT:

If you restoring a previously saved MBR after a disk utility or operating system modiﬁed

the MBR, the data on the disk might become inaccessible. Only restore a previously saved MBR if you

are conﬁdent that the current bootable disk's MBR has been corrupted or infected with a virus.

●

Save/Restore GPT of System Hard Drive

Enabling this feature saves the GUID Partition Table (GPT) of the system hard drive. If the GPT is

subsequently changed, the user is prompted to choose whether to restore GPT.

●

DriveLock/Automatic DriveLock

Allows you to assign or modify a master or user password for hard drives. When this feature is enabled,

the user is prompted to provide one of the DriveLock passwords during POST. If neither is successfully

entered, the hard drive remains inaccessible until one of the passwords is successfully provided during

a subsequent cold-boot sequence.

NOTE:

This selection appears only when at least one drive that supports the DriveLock feature is

attached to the system.

IMPORTANT:

Be aware that these settings take place immediately. It is not necessary to save.

IMPORTANT:

Be sure to document the DriveLock password. Losing a DriveLock password will render a

drive permanently locked.

After you select a drive, the following options are available:

- Set DriveLock Master Password

. Sets the drive’s master password but does not enable DriveLock.

- Enable DriveLock

. Sets the drive’s user password and enables DriveLock.

●

Secure Erase

Lets you select a hard drive to completely erase.

After you erase a hard drive with a program that uses Secure Erase ﬁrmware commands, no ﬁle

recovery program, partition recovery program, or other data recovery method can extract data from

the drive.

●

Allow OPAL Hard Drive SED Authentication

Default is disabled.

System Management

Command

Allows authorized personnel to reset security settings during a service event. Default is enabled.

Restore Security Settings

to Default

This action resets security devices, clears BIOS passwords (not including DriveLock), and restores settings in

the

Security menu

to factory defaults.

Computer Setup—Advanced

This table provides information about the Computer Setup Advanced menu.

NOTE:

Support for speciﬁc Computer Setup options can vary, depending on the hardware conﬁguration.

Table 6-3

Computer Setup—Advanced (for advanced users)

Option

Heading

Display Language

Lets you select the language of the menus in F10 Setup and the keyboard layout.

ENWW

Computer Setup—Advanced