HP ProBook 455 G4 Maintenance And Service Manual page 9

TPM BIOS settings (select products only) ........................................................................................................... 94
Using HP Sure Start (select products only) ......................................................................................................... 94
8 Using HP PC Hardware Diagnostics (UEFI) ....................................................................................................... 95
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................... 95
Blink and beep codes ........................................................................................................................................... 96
9 Backup and recovery .................................................................................................................................... 97
Creating recovery media and backups ................................................................................................................ 97
Creating HP Recovery media (select products only) ......................................................................... 97
Using Windows tools ........................................................................................................................................... 98
Restore and recovery ........................................................................................................................................... 99
Recovering using HP Recovery Manager ........................................................................................... 99
10 Specifications .......................................................................................................................................... 103
Computer specifications .................................................................................................................................... 103
39.6-cm (15.6-in) display specifications .......................................................................................................... 104
Hard drive specifications ................................................................................................................................... 105
Solid-state drive specifications ......................................................................................................................... 106
DVD±RW SuperMulti DL Drive specifications .................................................................................................... 107
Blu-ray ROM DVD±RW SuperMulti DL Drive ....................................................................................................... 108
DVD-ROM drive .................................................................................................................................................. 109
11 Statement of memory volatility ................................................................................................................ 110
Nonvolatile memory usage ............................................................................................................................... 113
Questions and answers ..................................................................................................................................... 115
Using HP Sure Start (select models only) .......................................................................................................... 116
12 Power cord set requirements .................................................................................................................... 117
Requirements for all countries and regions ...................................................................................................... 117
Requirements for specific countries and regions ............................................................................................. 117
13 Recycling ................................................................................................................................................ 119
Index ........................................................................................................................................................... 120
What you need to know before you get started ............................................................. 99
Using the HP Recovery partition (select products only) .............................................. 100
Using HP Recovery media to recover ............................................................................ 100
Changing the computer boot order .............................................................................. 101
Removing the HP Recovery partition (select products only) ....................................... 102
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