Hp ProBook 6555b Notebook-PC Manuel d'utilisateur Page 115
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9 Memory modules
The computer has two memory module compartments. The primary memory module compartment is
located under the keyboard. The expansion memory module compartment is located on the bottom of
the computer.
The memory capacity of the computer can be upgraded by adding a memory module to the empty
expansion memory module slot or by upgrading the existing memory module in the primary memory
module slot.
WARNING! To reduce the risk of electric shock and damage to the equipment, unplug the power cord
and remove all batteries before installing a memory module.
CAUTION: Electrostatic discharge (ESD) can damage electronic components. Before beginning any
procedure, touch a grounded metal object to be sure that you are discharged of static electricity.
105
- HP ProBook User Guide 1
- Safety warning notice 3
- Table of contents 5
- 1 Features 11
- 2 Chapter 1 Features 12
- Identifying hardware 3 13
- 4 Chapter 1 Features 14
- Identifying hardware 5 15
- 6 Chapter 1 Features 16
- Identifying hardware 7 17
- 8 Chapter 1 Features 18
- Identifying hardware 9 19
- 10 Chapter 1 Features 20
- Front components 21
- Right-side components 22
- Identifying hardware 13 23
- Left-side components 24
- Rear components 25
- Bottom components 26
- Display components 27
- 18 Chapter 1 Features 28
- Identifying the labels 29
- Component 30
- (2) Serial number 30
- (3) Product number 30
- (4) Warranty period 30
- Using the wireless controls 32
- Using the wireless button 32
- Setting up a WLAN 34
- Protecting your WLAN 34
- Connecting to a WLAN 36
- Roaming to another network 36
- Inserting a SIM 37
- Removing a SIM 38
- 8. Replace the battery 39
- 10. Turn on the computer 39
- WLAN connection is very weak 43
- Connecting a modem cable 44
- Selecting a location setting 45
- Using pointing devices 49
- Using the keyboard 49
- Using the keyboard 41 51
- Using HP QuickLook 3 52
- Using keypads 52
- Component Description 53
- 4Multimedia 55
- Multimedia software 56
- Checking your audio functions 58
- Using the DisplayPort 60
- Identifying the optical drive 62
- Playing a CD, DVD, or BD 62
- Configuring AutoPlay 62
- Changing DVD region settings 63
- Copying a CD, DVD, or BD 64
- Troubleshooting 65
- A disc does not play 67
- Webcam (select models only) 71
- 62 Chapter 4 Multimedia 72
- 5 Power management 73
- Using the battery meter 74
- Using power plans 74
- Customizing power plans 75
- Using external AC power 76
- Connecting the AC adapter 77
- Using battery power 78
- Charging a battery 80
- Managing low battery levels 81
- Calibrating a battery 82
- Step 3: Discharge the battery 83
- Conserving battery power 84
- Storing a battery 84
- Disposing of a used battery 85
- Replacing the battery 85
- Testing an AC adapter 86
- Shutting down the computer 86
- Identifying installed drives 88
- Handling drives 88
- Using Disk Defragmenter 90
- Using Disk Cleanup 90
- Using HP 3D DriveGuard 91
- Replacing a hard drive 96
- 88 Chapter 6 Drives 98
- Replacing an optical drive 100
- 7 External devices 103
- Using USB legacy support 104
- Using a 1394 device 105
- Using external drives 107
- Using a docking device 108
- 8 External media cards 109
- Configuring an ExpressCard 111
- Inserting an ExpressCard 111
- Inserting a smart card 113
- Removing a smart card 113
- 9 Memory modules 115
- 10 Security 123
- Using passwords 124
- BIOS administrator password 125
- Setting a DriveLock password 128
- Entering a DriveLock password 129
- Changing a DriveLock password 130
- Removing DriveLock protection 131
- Securing system devices 133
- Using antivirus software 135
- Using firewall software 136
- Installing critical updates 137
- ProtectTools software Help 138
- 128 Chapter 10 Security 138
- Installing a security cable 139
- 11 Software updates 140
- Updating the BIOS 142
- Updating programs and drivers 144
- 12 Backup and recovery 145
- Backing up your information 146
- Performing a recovery 147
- Using f11 recovery tools 148
- 5. Click Next 149
- Performing a recovery 139 149
- 13 Computer Setup 150
- Computer Setup menus 151
- File menu 152
- Security menu 152
- System Configuration menu 153
- Computer Setup menus 145 155
- 14 MultiBoot 157
- 148 Chapter 14 MultiBoot 158
- 15 Management and printing 163
- 16 Routine care 169
- Cleaning procedures 170
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