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HP Pro SFF 280 G9 Desktop PC Maintenance and Service Guide - Page 74

Sure Start Secure Boot Keys Protection: Saves a backup copy of Secure Boot Keys so that they can

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Table 6-2 Computer Setup Security (continued) Option Description Security Configuration TPM Embedded Security ● TPM Specification Version Displays the current Trusted Platform Module (TPM) version. ● TPM Device Lets you set the TPM as available or hidden. Default is available. ● TPM State Select to enable the TPM. Default is disabled. ● Clear TPM Select to reset the TPM to an unowned state. After the TPM is cleared, it is also turned off. To temporarily suspend TPM operations, turn the TPM off instead of clearing it. Default is no. IMPORTANT: Clearing the TPM resets it to factory defaults and turns it off. You will lose all created keys and data protected by those keys. ● TPM Activation Policy ○ F1 to boot ○ Allow user to reject (default) ○ No prompts BIOS Sure Start ● Verify Boot Block on every boot: Select to enable HP Sure Start. Default is disabled. ● BIOS Data Recovery Policy: Select Automatic or Manual to determine data recovery process. Manual recovery is intended only for situations when you want forensic analysis before HP Sure Start recovery. When this policy is set to manual, HP Sure Start will not correct any issues that are found until the local user enters the manual recovery key sequence. This can result in a computer that cannot boot until the manual recovery key sequence is entered. ● Network Controller Configuration Restore: Select to restore the network controller parameters to the factory state saved in the HP Sure Start Private nonvolatile (flash) memory. This setting is available only on computers with built-in NIC. NOTE: This process can take up to 30 seconds. You need to restore this only when the Network Controller Configuration mismatch warning is set. ● Dynamic Runtime Scanning of Boot Block: Verifies the integrity of the BIOS boot block region several times each hour while the computer is running. Default is enabled. ● Sure Start BIOS Settings Protection: When enabled, HP Sure Start locks all critical BIOS settings and provides enhanced protection for these settings using nonvolatile (flash) memory. Default is off. NOTE: An administrator password must be set to activate this setting. ● Sure Start Secure Boot Keys Protection: Saves a backup copy of Secure Boot Keys so that they can be recovered if someone attempts to alter them in an unauthorized manner. ● Enhanced HP Firmware Runtime Intrusion Prevention and Detection: Enables monitoring of HP system firmware executing out of main memory while the operating system is running. Any anomalies detected in HP system firmware that is active while the operating system is running will result in a Sure Start security event being generated. ● Sure Start Security Event Policy. Controls HP Sure Start behavior upon identifying a critical security event, such as any modification to HP firmware, while the operating system is running. - Log Event Only: HP Sure Start will log all critical security events in the HP Sure Start audio log within the HP Sure Start nonvolatile (flash) memory. - Log Event and notify user: In addition to logging all critical sCeocmuriptyuetveernStse, tHuPpSuSreecSutarrittywill 67 notify the user within the operating system that a critical event has occurred. - Log Event and power off system: In addition to logging all critical security events, HP Sure Start turns off the computer upon detecting a HP Sure Start Security Event. Because of the potential

Section	Page
Computer features	8
Standard configuration features	8
Front panel components	8
Rear panel components	9
Illustrated parts catalog	11
Computer major components	11
Miscellaneous parts	13
Routine care, drive guidelines, and disassembly preparation	15
Electrostatic discharge information	15
Generating static electricity	15
Preventing electrostatic damage to equipment	16
Personal grounding methods and equipment	16
Grounding the work area	17
Recommended materials and equipment	17
Operating guidelines	18
Routine care	18
General cleaning safety precautions	18
Removing dirt and debris from your computer	19
Cleaning your computer with a disinfectant	19
Cleaning the computer case	20
Cleaning the keyboard	20
Cleaning the monitor	21
Cleaning the mouse	21
Service considerations	21
Tools and software requirements	21
Screws	22
Cables and connectors	22
Hard drives	22
Lithium coin cell battery	22
SATA hard drives	23
Cable management	23
Removal and replacement procedures	25
Preparation for disassembly	25
Rubber feet	25
Access panel	26
Expansion card	27
Optical drive	30
Front bezel	31
Hard drive	32
WLAN module	34
Solid-state drive	36
Memory modules (DIMMs)	36
Battery	38
Fan duct	40
Heat sink with fan	40
Processor	41
Power supply	42
System board	44
System board connections	45
Wireless antennas and cables	46
Troubleshooting without diagnostics	48
Before you call for technical support	48
Helpful hints	49
Solving general problems	49
Cannot access the Computer Setup (F10) Utility when booting the computer	49
Computer appears locked up and will not turn off when the power button is pressed	50
Computer will not respond to keyboard or mouse	50
Computer date and time display is incorrect	50
There is no sound or sound volume is too low	50
Cannot remove computer cover or access panel	51
Poor performance	51
Computer turned off automatically and the power light blinks red four times and then white two times	52
System does not turn on and the lights on the front of the computer are not blinking	52
Solving power problems	53
Power supply shuts down intermittently	53
Computer turned off automatically, power light blinks red two times followed by a two-second pause, and the computer beeps two times (beeps stop after fifth iteration but lights continue blinking)	53
Power light blinks red four times followed by a two-second pause and the computer beeps four times (beeps stop after fifth iteration but lights continue blinking)	53
Solving hard drive problems	54
Hard drive error occurs	54
Disk drive transaction problem	54
Drive not found (identified)	54
Nonsystem disk/NTLDR missing message	55
Computer will not boot from hard drive	55
Computer seems to be locked up	55
Solving audio problems	56
Sound cuts in and out	56
Sound does not come out of the speaker or headphones	56
Computer appears to be locked up while recording audio	56
Line-in jack is not functioning properly	57
Solving printer problems	57
Printer will not print	57
Printer will not turn on	57
Printer prints garbled information	57
Printer will not print	58
Solving keyboard and mouse problems	58
Keyboard commands and typing are not recognized by the computer	58
Mouse does not respond to movement or is too slow	58
Solving hardware installation problems	59
A new device is not recognized as part of the system	59
Computer will not start	60
Power light blinks red three times and then white two times	60
Solving network problems	60
Network driver does not detect network controller	60
Network status link light never blinks	61
Diagnostics reports a failure	61
Diagnostics passes, but the computer does not communicate with the network	62
Network controller stopped working when an expansion board was added to the computer	62
Network controller stops working without apparent cause	62
Cannot connect to network server when attempting remote system installation	62
System setup utility reports unprogrammed EEPROM	62
Solving memory problems	63
System will not boot or does not function properly after installing additional memory modules	63
Out of memory error	63
Memory count during POST is wrong	63
Insufficient memory error during operation.	63
Power light blinks red five times followed by a two-second pause and the computer beeps five times (beeps stop after fifth iteration but lights continue blinking)	64
Solving USB flash drive problems	64
USB flash drive is not seen as a drive letter in Windows	64
USB flash drive not found (identified)	64
System will not boot from USB flash drive	64
The computer boots to DOS after making a bootable flash drive	65
Solving internet access problems	65
Unable to connect to the internet	65
Cannot automatically launch internet programs	65
Solving software problems	66
Computer will not start up and the HP logo does not appear	66
“Illegal Operation has Occurred” error message is displayed	66
Computer Setup (F10) Utility	67
Using Computer Setup (F10) Utilities	67
Computer Setup Main	68
Computer Setup Security	72
Computer Setup Advanced	76
POST error messages	85
POST numeric codes and text messages	85
Interpreting POST diagnostic front panel lights and audible codes	91
Password security and resetting CMOS	94
Changing a setup or power-on password	94
Deleting a setup or power-on password	94
Backing up, restoring, and recovering	96
Backing up information and creating recovery media	96
Using Windows tools for backing up	96
Using the HP Cloud Recovery Download Tool to create recovery media (select products only)	96
Restoring and recovering your system	96
Creating a system restore	97
Restoring and recovery methods	97
Recovering using HP Recovery media	97
Changing the computer boot order	98
Using HP Sure Recover (select products only)	98
Using HP PC Hardware Diagnostics	99
Using HP PC Hardware Diagnostics Windows (select products only)	99
Using an HP PC Hardware Diagnostics Windows hardware failure ID code	99
Accessing HP PC Hardware Diagnostics Windows	99
Accessing HP PC Hardware Diagnostics Windows from HP Help and Support (select products only)	99
Accessing HP PC Hardware Diagnostics Windows from HP Support Assistant	100
Accessing HP PC Hardware Diagnostics Windows from the Start menu (select products only)	100
Downloading HP PC Hardware Diagnostics Windows	100
Downloading the latest HP PC Hardware Diagnostics Windows version from HP	100
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store	101
Downloading HP Hardware Diagnostics Windows by product name or number (select products only)	101
Installing HP PC Hardware Diagnostics Windows	101
Using HP PC Hardware Diagnostics UEFI	101
Using an HP PC Hardware Diagnostics UEFI hardware failure ID code	101
Starting HP PC Hardware Diagnostics UEFI	102
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive	102
Downloading the latest HP PC Hardware Diagnostics UEFI version	102
Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only)	103
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)	103
Downloading Remote HP PC Hardware Diagnostics UEFI	103
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version	103
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or number	103
Customizing Remote HP PC Hardware Diagnostics UEFI settings	103
Statement of memory volatility	105
Current BIOS steps	105
Nonvolatile memory usage	107
Questions and answers	109
Using HP Sure Start (select products only)	111
Power cord set requirements	112
General requirements	112
Japanese power cord requirements	112
Country-specific requirements	112
Specifications	114

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Table 6-2

Computer Setup Security

(continued)

Option

Description

Security Conﬁguration

TPM Embedded Security

●

TPM Speciﬁcation Version

Displays the current Trusted Platform Module (TPM) version.

●

TPM Device

Lets you set the TPM as available or hidden. Default is available.

●

TPM State

Select to enable the TPM. Default is disabled.

●

Clear TPM

Select to reset the TPM to an unowned state. After the TPM is cleared, it is also turned oﬀ. To

temporarily suspend TPM operations, turn the TPM oﬀ instead of clearing it. Default is no.

IMPORTANT:

Clearing the TPM resets it to factory defaults and turns it oﬀ. You will lose all created

keys and data protected by those keys.

●

TPM Activation Policy

○

F1 to boot

○

Allow user to reject (default)

○

No prompts

BIOS Sure Start

●

Verify Boot Block on every boot: Select to enable HP Sure Start. Default is disabled.

●

BIOS Data Recovery Policy: Select Automatic or Manual to determine data recovery process. Manual

recovery is intended only for situations when you want forensic analysis before HP Sure Start

recovery. When this policy is set to manual, HP Sure Start will not correct any issues that are found

until the local user enters the manual recovery key sequence. This can result in a computer that

cannot boot until the manual recovery key sequence is entered.

●

Network Controller Conﬁguration Restore: Select to restore the network controller parameters to the

factory state saved in the HP Sure Start Private nonvolatile (ﬂash) memory. This setting is available

only on computers with built-in NIC.

NOTE:

This process can take up to 30 seconds. You need to restore this only when the Network

Controller Conﬁguration mismatch warning is set.

●

Dynamic Runtime Scanning of Boot Block: Veriﬁes the integrity of the BIOS boot block region several

times each hour while the computer is running. Default is enabled.

●

Sure Start BIOS Settings Protection: When enabled, HP Sure Start locks all critical BIOS settings and

provides enhanced protection for these settings using nonvolatile (ﬂash) memory. Default is oﬀ.

NOTE:

An administrator password must be set to activate this setting.

●

Sure Start Secure Boot Keys Protection: Saves a backup copy of Secure Boot Keys so that they can be

recovered if someone attempts to alter them in an unauthorized manner.

●

Enhanced HP Firmware Runtime Intrusion Prevention and Detection: Enables monitoring of HP

system ﬁrmware executing out of main memory while the operating system is running. Any

anomalies detected in HP system ﬁrmware that is active while the operating system is running

will result in a Sure Start security event being generated.

●

Sure Start Security Event Policy. Controls HP Sure Start behavior upon identifying a critical security

event, such as any modiﬁcation to HP ﬁrmware, while the operating system is running.

–

Log Event Only: HP Sure Start will log all critical security events in the HP Sure Start audio log

within the HP Sure Start nonvolatile (ﬂash) memory.

–

Log Event and notify user: In addition to logging all critical security events, HP Sure Start will

notify the user within the operating system that a critical event has occurred.

–

Log Event and power oﬀ system: In addition to logging all critical security events, HP Sure Start

turns oﬀ the computer upon detecting a HP Sure Start Security Event. Because of the potential

Computer Setup Security