HP Pro All-in-One 3520 Specifications Page 33
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Table 5-4 Computer Setup—Security (continued)
DriveLock Security 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 will remain inaccessible until one of the passwords is
successfully provided during a subsequent cold-boot sequence.
NOTE: This selection will only appear when at least one drive that supports the DriveLock
feature is attached to the system.
Secure Boot
Configuration
This is a feature of Windows 8.
●
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.
Computer Setup (F10) Utilities 25
- About This Book 3
- Table of contents 5
- 1 Product Features 9
- Front Components 10
- Side Components 11
- Rear Components 12
- Software 13
- Downloading Windows 8 updates 14
- SATA Hard Drives 15
- SATA Hard Drive Cables 15
- SMART ATA Drives 16
- Hard Drive Capacities 16
- Preparation 17
- Grounding the Work Area 19
- Operating Guidelines 20
- Routine Care 20
- Cleaning the Keyboard 21
- Cleaning the Monitor 21
- Service Considerations 22
- Hard Drives 23
- Lithium Coin Cell Battery 23
- Computer Setup—File 26
- Computer Setup—Storage 27
- Computer Setup—Security 30
- Computer Setup—Power 34
- Computer Setup—Advanced 35
- 6 Illustrated parts catalog 38
- Cables 31 39
- Boards 33 41
- Misc Parts 42
- Thermal pads 43
- All-in One (AIO) Chassis 48
- Rear Cover 49
- Description Spare part number 50
- Stand 709838-001 50
- Stand 43 51
- Memory Cover 52
- Memory Cover 45 53
- 4 GB (PC3-12800) 689373-001 54
- 2 GB (PC3-12800) 689372-001 54
- RTC Battery 56
- RTC Battery 49 57
- Optical Drive 58
- Optical Drive 51 59
- Hard Drive 60
- Converter Board 62
- Speakers 64
- Speakers 57 65
- Webcam Module 66
- Webcam Module 59 67
- System Board Cover 69
- Fan 671582-001 71
- Heat sink/thermal module 73
- Processor 75
- Drive Cables and Connector 77
- WLAN Module 79
- System Board 82
- System Board 75 83
- Front Bezel 85
- Display Panel 87
- Safety and Comfort 90
- Helpful Hints 91
- Solving General Problems 93
- Solving General Problems 87 95
- Solving Power Problems 97
- Solving Hard Drive Problems 99
- Solving Display Problems 104
- Solving Display Problems 97 105
- Solving Display Problems 99 107
- Solving Audio Problems 109
- Solving Printer Problems 111
- Solving Network Problems 117
- Solving Network Problems 111 119
- Solving Memory Problems 120
- Solving Memory Problems 113 121
- Solving Processor Problems 122
- Solving Software Problems 128
- Solving Software Problems 121 129
- Contacting Customer Support 130
- B HP PC Hardware Diagnostics 131
- Backing up your information 133
- Performing a system recovery 134
- Using f11 recovery tools 135
- D POST Error Messages 137
- Audible Codes 143
- E Power Cord Set Requirements 147
- Country-Specific Requirements 148
- F Specifications 149
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