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HP ProDesk 600 G6 Maintenance and Service Guide - Page 95

Computer Setup-Advanced for advanced users continued, Table 6-3

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Table 6-3 Computer Setup-Advanced (for advanced users) (continued) Option Heading Secure Boot Configuration Configure Legacy Support and Secure Boot Lets you turn off all legacy support on the computer, including booting to DOS, running legacy graphics cards, booting to legacy devices, and so on. Lets you be sure that an operating system is legitimate before booting to it, making Windows resistant to malicious modification from preboot to full operating system booting, preventing firmware attacks. UEFI and Windows Secure Boot only allow code signed by preapproved digital certificates to run during the firmware and OS boot process. ● Legacy Support Enable and Secure Boot Disable ● Legacy Support Disable and Secure Boot Enable ● Legacy Support Disable and Secure Boot Disable Default is Legacy Support Disable and Secure Boot Disable. Secure Boot Key Management Lets you manage the custom key settings. Import Custom Secure Boot keys Default is disabled. Clear Secure Boot Keys Lets you delete any previously loaded custom boot keys. Clearing keys will disable secure boot. Default is disabled. Reset Secure Boot keys to factory defaults Default is disabled. Enable MS UEFI CA key Disabling this setting alters the Secure Boot key list to further restrict the allowed software components. Set this option to disable to support Device Guard. Ready BIOS for Device Guard Use Requires BIOS Administrator password to be configured and Secure Boot to be enabled. ENWW Computer Setup-Advanced 85

Section	Page
Product features	11
Standard configuration features	11
Front panel components	11
Rear panel components	12
Serial number location	12
Illustrated parts catalog	15
Computer major components	15
Mass storage devices	18
Cables	19
Miscellaneous parts	19
Routine care, SATA drive guidelines, and disassembly preparation	21
Electrostatic discharge information	22
Generating static electricity	22
Preventing electrostatic damage to equipment	23
Personal grounding methods and equipment	23
Grounding the work area	23
Recommended materials and equipment	24
Operating guidelines	24
Routine care	26
General cleaning safety precautions	26
Cleaning the computer case	26
Cleaning the keyboard	26
Cleaning the monitor	27
Cleaning the mouse	27
Service considerations	28
Tools and software requirements	28
Screws	28
Cables and connectors	28
Hard drives	28
Lithium coin cell battery	29
SATA hard drives	29
Cable management	30
Removal and replacement procedures	31
Preparation for disassembly	31
Access panel	31
Optical drive	32
Front bezel	33
Hood sensor module	34
Memory modules (DIMMs)	35
Expansion card	38
Drive cage	39
Hard drive	40
Speaker	44
WLAN module	45
Solid-state drive	47
Fan shroud	48
Heat sink	49
Processor	50
Power supply	52
Battery	53
System board	56
System board callouts	57
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 appears locked up and will not turn off when the power button is pressed	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
Using HP PC Hardware Diagnostics	111
Using HP PC Hardware Diagnostics Windows (select products only)	112
Using an HP PC Hardware Diagnostics Windows hardware failure ID code	112
Accessing HP PC Hardware Diagnostics Windows	113
Accessing HP PC Hardware Diagnostics Windows from HP Help and Support	113
Accessing HP PC Hardware Diagnostics Windows from Support Assistant	113
Downloading HP PC Hardware Diagnostics Windows	114
Downloading the latest HP PC Hardware Diagnostics Windows version from HP	114
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store	114
Downloading HP Hardware Diagnostics Windows by product name or number (select products only)	114
Installing HP PC Hardware Diagnostics Windows	114
Using HP PC Hardware Diagnostics UEFI	115
Using an HP PC Hardware Diagnostics UEFI hardware failure ID code	115
Starting HP PC Hardware Diagnostics UEFI	115
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive	116
Downloading the latest HP PC Hardware Diagnostics UEFI version	116
Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only)	116
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)	117
Downloading Remote HP PC Hardware Diagnostics UEFI	118
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version	118
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or number	118
Customizing Remote HP PC Hardware Diagnostics UEFI settings	118
Backing up, restoring, and recovering	119
Backing up information and creating recovery media	120
Using Windows tools for backing up	120
Using the HP Cloud Recovery Download Tool to create recovery media (select products only)	120
Restoring and recovering your system	121
Creating a system restore	121
Restoring and recovery methods	121
Recovering using HP Recovery media	121
Changing the computer boot order	122
Using HP Sure Recover (select products only)	122
Statement of memory volatility	123
Current BIOS steps	123
Nonvolatile memory usage	125
Questions and answers	127
Using HP Sure Start (select products only)	129
Power cord set requirements	131
General requirements	131
Japanese power cord requirements	131
Country-specific requirements	131
Specifications	133