HP ProBook 4520s Notebook PC and HP ProBook 4720s Notebook PC - Maintenance and Service Guide

6 Specifications ................................................................................................................ 121
Computer specifications ........................................................................................................ 121
17.3-in display specifications ................................................................................................ 122
15.6-in display specifications ................................................................................................ 123
Hard drive specifications ...................................................................................................... 124
DVD-ROM Drive specifications ............................................................................................... 125
DVD±RW Double-Layer Combo Drive specifications ................................................................. 126
Blu-ray Disc ROM Drive with SuperMulti DVD±R/RW Double-Layer specifications ........................ 127
7 Backup and recovery .................................................................................................... 128
Backup and recovery in Windows 7 ....................................................................................... 128
Overview ............................................................................................................. 128
Backing up your information ................................................................................... 128
Performing a recovery ........................................................................................... 130
Using the Windows recovery tools .......................................................................... 130
Using f11 ............................................................................................................. 131
Using a Windows 7 operating system DVD (purchased separately) ............................. 131
Backup and recovery in Windows Vista .................................................................................. 132
Overview ............................................................................................................. 132
Backing up your information ................................................................................... 132
Performing a recovery ........................................................................................... 133
Using the Windows recovery tools .......................................................................... 134
Using f11 ............................................................................................................. 134
Using a Windows Vista operating system DVD (purchased separately) ........................ 135
Backup and recovery in Windows XP ..................................................................................... 136
Overview ............................................................................................................. 136
Backing up your information ................................................................................... 136
Performing a recovery ........................................................................................... 137
Recovering your information .................................................................... 137
Recovering the operating system and programs ......................................... 137
8 Connector pin assignments ........................................................................................... 139
Audio-in (microphone) .......................................................................................................... 139
Audio-out (headphone) ......................................................................................................... 139
External monitor ................................................................................................................... 140
HDMI ................................................................................................................................. 141
RJ-11 (modem) ..................................................................................................................... 142
RJ-45 (network) .................................................................................................................... 143
Universal Serial Bus .............................................................................................................. 143
9 Power cord set requirements ........................................................................................ 144
Requirements for all countries and regions ............................................................................... 144
Requirements for specific countries and regions ....................................................................... 145
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