Hp ProBook 655 G1 Notebook PC User Manual Page 40
- Page / 106
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Hot key combination Description
fn+f3 Initiates Sleep, which saves your information in system memory. The display and other system
components turn off and power is conserved.
To exit Sleep, briefly press the power button.
CAUTION: To reduce the risk of information loss, save your work before initiating Sleep.
fn+f4 Switches the screen image among display devices connected to the system. For example, if a
monitor is connected to the computer, fn+f4 alternates the screen image from computer display to
monitor display to simultaneous display on both the computer and the monitor.
Most external monitors receive video information on the computer using the external VGA video
standard. The fn+f4 hot key can also alternate images among other devices that are receiving video
information on the computer.
fn+ f6 Decreases speaker volume.
fn+f7 Increases speaker volume.
fn+f8 Mutes the microphone.
fn+f9 Decreases the screen brightness level.
fn+f10 Increases the screen brightness level.
fn+f11 Turns the keyboard backlight on and off.
NOTE: The keyboard backlight is turned on at the factory. To extend battery life, turn off the
keyboard backlight.
Using keypads
The computer includes an embedded numeric keypad or an integrated numeric keypad. The
computer also supports an optional external numeric keypad, or an optional external keyboard that
includes a numeric keypad.
30 Chapter 4 Navigating using the keyboard, touch gestures and pointing devices
- User Guide 1
- Safety warning notice 3
- Table of contents 5
- 1Welcome 11
- Finding information 12
- Finding information 3 13
- TouchPad 14
- Display 11 21
- Bottom 13 23
- 3 Connecting to a network 25
- Using a WLAN 26
- Setting up a WLAN 27
- Configuring a wireless router 27
- Protecting your WLAN 27
- Connecting to a WLAN 28
- Inserting and removing a SIM 29
- Connecting to a wired network 30
- Using pointing devices 32
- Using TouchPad Gestures 33
- Right-edge swipe 37
- Top-edge swipe 38
- Left-edge swipe 38
- Using the keyboard 39
- Using keypads 40
- Using the keyboard 31 41
- 5 Multimedia 43
- Webcam (select models only) 44
- DisplayPort 45
- 6 Power management 47
- Setting power options 48
- Using battery power 49
- Using Battery Check 50
- Managing low battery levels 51
- Conserving battery power 53
- Using external AC power 54
- Testing an AC adapter 55
- 7 External cards and devices 56
- Inserting a smart card 57
- Using a USB device 58
- Connecting a USB device 59
- Removing a USB device 59
- Handling drives 61
- Using hard drives 61
- Removing the service door 62
- Replacing the service door 62
- Removing the hard drive 63
- Installing a hard drive 64
- Using Disk Defragmenter 65
- Using Disk Cleanup 65
- Using HP 3D DriveGuard 66
- 9Security 67
- Setting passwords in Windows 68
- Setting a DriveLock password 71
- Entering a DriveLock password 72
- Changing a DriveLock password 72
- Removing DriveLock protection 72
- Using antivirus software 74
- Using firewall software 74
- 10 Maintenance 77
- Cleaning your computer 79
- Updating programs and drivers 80
- 11 Backup and recovery 82
- Performing a system recovery 83
- Using f11 recovery tools 84
- Using HP Software Setup 86
- System Diagnostics 87
- Updating the BIOS 89
- Using MultiBoot 90
- Using System Diagnostics 92
- Using System Diagnostics 83 93
- 13 Support 94
- Component 96
- (3) Serial number 96
- (4) Product number 96
- A Traveling with the computer 98
- B Troubleshooting 99
- The computer screen is blank 100
- A disc does not play 101
- C Electrostatic discharge 103
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