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HP ProDesk 405 G1 Micro Maintenance and Service Guide ProDesk 405 G1 Microtowe - Page 80

Computer Setup-Security continued, System Security, Secure Boot, Configuration

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Table 6-3 Computer Setup-Security (continued) System Security (these options are hardware dependent) NOTE: Available options are displayed depending on system configuration. Data Execution Prevention (enable/disable) - Helps prevent operating system security breaches. Default is enabled. Virtualization Technology (enable/disable) - Controls the virtualization features of the processor. Changing this setting requires turning the computer off and then back on. Default is disabled. Embedded Security Device (enable/disable) - Permits activation and deactivation of the Embedded Security Device. NOTE: To configure the Embedded Security Device, a Setup password must be set. Secure Boot Configuration ● Legacy Support-Enable/Disable. Allows you to turn off all legacy support on the computer, including booting to DOS, running legacy graphics cards, booting to legacy devices, and so on. If set to disable, legacy boot options in Storage > Boot Order are not displayed. Default is enabled. ● Secure Boot-Enable/Disable. Allows you to make sure an operating system is legitimate before booting to it, making Windows resistant to malicious modification from preboot to full OS booting, preventing firmware attacks. UEFI and Windows Secure Boot only allow code signed by pre-approved digital certificates to run during the firmware and OS boot process. Default is disabled, except for Windows 8 systems which have this setting enabled. Secure Boot enabled also sets Legacy Support to disabled. ● Key Management-This option lets you manage the custom key settings. ◦ Clear Secure Boot Keys-Don't Clear/Clear. Allows you to delete any previously loaded custom boot keys. Default is Don't Clear. ◦ Key Ownership-HP Keys/Custom Keys. Selecting Custom Mode allows you to modify the contents of the secure boot signature databases and the platform key (PK) that verifies kernels during system start up, allowing you to use alternative operating systems. Selecting HP Keys causes the computer boot using the preloaded HP-specific boot keys. Default is HP Keys. ● Fast Boot-Enable/Disable. Fast boot disables the ability to interrupt boot, such as pressing f keys to access items before the operating system loads. Default is disabled. NOTE: If Windows 8 detects a serious error, it will interrupt the boot process automatically and display advanced boot options. From Windows 8, you can press Shift and select Restart to access the screen that lets you boot to a device or troubleshoot your computer. 70 Chapter 6 Computer Setup (F10) Utility

Section	Page
Product features	11
Standard configuration features	11
Front panel components	12
Rear panel components	13
Serial number location	14
Activating and Customizing the Software	15
Activating and customizing the software in Windows 7	15
Activating the Windows operating system	15
Downloading Windows 7 updates	16
Installing or upgrading device drivers	16
Customizing the monitor display	16
Activating and customizing the software in Windows 8	16
Activating the Windows Operating System	16
Downloading Windows 8 updates	17
Customizing the monitor display	17
Illustrated parts catalog	18
Microtower chassis spare parts	18
Computer major components	18
Cables	20
Misc parts	21
Drives	23
Misc boards	23
Sequential part number listing	24
Routine care, SATA drive guidelines, and disassembly preparation	27
Electrostatic discharge information	27
Generating static	28
Preventing electrostatic damage to equipment	28
Personal grounding methods and equipment	29
Grounding the work area	29
Recommended materials and equipment	29
Operating guidelines	30
Routine care	31
General cleaning safety precautions	31
Cleaning the Computer Case	31
Cleaning the keyboard	31
Cleaning the monitor	32
Cleaning the mouse	32
Service considerations	32
Power supply fan	32
Tools and software Requirements	33
Screws	33
Cables and connectors	33
Hard Drives	33
Lithium coin cell battery	34
SATA hard drives	34
SATA hard drive cables	35
SATA data cable	35
SMART ATA drives	35
Cable management	35
Removal and replacement procedures: Microtower	36
Preparation for disassembly	36
Access panel	37
Front bezel	38
Bezel blanks	39
Memory	41
DIMMs	41
DDR3-SDRAM DIMMs	41
Installing DIMMs	42
Expansion cards	43
System board connections	48
Drives	49
Drive positions	51
Removing a 5.25-inch drive	52
Installing a 5.25-inch drive	52
Removing a 3.5-inch device	54
Installing a 3.5-inch device	56
Removing a 3.5-inch hard drive	57
Installing a 3.5-inch drive	58
Front I/O assembly	61
Power switch/LED assembly	63
Speaker	65
Fan	68
Power supply	69
System board	72
Computer Setup (F10) Utility	74
Computer Setup (F10) Utilities	74
Using Computer Setup (F10) Utilities	75
Computer Setup—File	76
Computer Setup—Storage	77
Computer Setup—Security	79
Computer Setup—Power	81
Computer Setup—Advanced	81
Recovering the Configuration Settings	82
Troubleshooting without diagnostics	83
Safety and comfort	83
Before you call for technical support	83
Helpful hints	84
Solving general problems	86
Solving power problems	90
Solving hard drive problems	91
Solving media card reader problems	94
Solving display problems	95
Solving audio problems	101
Solving printer problems	103
Solving keyboard and mouse problems	104
Solving Hardware Installation Problems	107
Solving Network Problems	109
Solving memory problems	113
Solving processor problems	115
Solving CD-ROM and DVD problems	116
Solving USB flash drive problems	119
Solving front panel component problems	120
Solving Internet access problems	120
Solving software problems	122
POST error messages	124
POST numeric codes and text messages	125
Interpreting POST diagnostic front panel LEDs and audible codes	134
Password security and resetting CMOS	138
Resetting the password jumper	139
Clearing and resetting the CMOS	140
HP PC Hardware Diagnostics	142
Why run HP PC Hardware Diagnostics	142
How to access and run HP PC Hardware Diagnostics	142
Downloading HP PC Hardware Diagnostics to a USB device	143
System backup and recovery	144
Backing up, restoring, and recovering in Windows 8.1 or Windows 8	144
Creating recovery media and backups	144
Restoring and recovering using Windows tools	145
Using Reset when the system is not responding	145
Recovery using the Windows recovery USB flash drive	146
Recovery using Windows operating system media (purchased separately)	146
Backing up, restoring, and recovering in Windows 7	147
Creating recovery media	147
Creating recovery media using HP Recovery Manager (select models only)	148
Creating recovery discs with HP Recovery Disc Creator (select models only)	149
Creating recovery discs	149
Backing up your information	150
System Restore	150
System Recovery	151
System Recovery when Windows is responding	151
System Recovery when Windows is not responding	152
System Recovery using recovery media (select models only)	152
Using HP Recovery Disc operating system discs (select models only)	153
Battery replacement	155
Power cord set requirements	158
General requirements	158
Japanese power cord requirements	158
Country-specific requirements	159
Specifications	160
Microtower specifications	160

Match case Limit results 1 per page

Table 6-3

Computer Setup—Security (continued)

System Security

(these options are

hardware dependent)

NOTE:

Available options are displayed depending on system configuration.

Data Execution Prevention (enable/disable) - Helps prevent operating system security breaches.

Default is enabled.

Virtualization Technology (enable/disable) - Controls the virtualization features of the processor.

Changing this setting requires turning the computer off and then back on. Default is disabled.

Embedded Security Device (enable/disable) - Permits activation and deactivation of the Embedded

Security Device.

NOTE:

To configure the Embedded Security Device, a Setup password must be set.

Secure Boot

Configuration

●

Legacy Support—Enable/Disable. Allows you to turn off all legacy support on the computer,

including booting to DOS, running legacy graphics cards, booting to legacy devices, and so

on. If set to disable, legacy boot options in

Storage > Boot Order

are not displayed.

Default is enabled.

●

Secure Boot—Enable/Disable. Allows you to make sure an operating system is legitimate

before booting to it, making Windows resistant to malicious modification from preboot to full

OS booting, preventing firmware attacks. UEFI and Windows Secure Boot only allow code

signed by pre-approved digital certificates to run during the firmware and OS boot process.

Default is disabled, except for Windows 8 systems which have this setting enabled. Secure

Boot enabled also sets

Legacy Support

to disabled.

●

Key Management—This option lets you manage the custom key settings.

◦

Clear Secure Boot Keys—Don't Clear/Clear. Allows you to delete any previously loaded

custom boot keys. Default is Don't Clear.

◦

Key Ownership—HP Keys/Custom Keys. Selecting Custom Mode allows you to modify

the contents of the secure boot signature databases and the platform key (PK) that verifies

kernels during system start up, allowing you to use alternative operating systems.

Selecting HP Keys causes the computer boot using the preloaded HP-specific boot keys.

Default is HP Keys.

●

Fast Boot—Enable/Disable. Fast boot disables the ability to interrupt boot, such as pressing f

keys to access items before the operating system loads. Default is disabled.

NOTE:

If Windows 8 detects a serious error, it will interrupt the boot process automatically

and display advanced boot options.

From Windows 8, you can press

Shift

and select

Restart

to access the screen that lets you

boot to a device or troubleshoot your computer.

Chapter 6

Computer Setup (F10) Utility