Hp EliteBook 8740w Mobile Workstation User Manual Page 73
- Page / 152
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Using Battery Check
Help and Support provides information on the status of the battery installed in the computer.
To run Battery Check:
1. Connect the AC adapter to the computer.
NOTE: The computer must be connected to external power for Battery Check to function properly.
2. Select Start > Help and Support > Troubleshoot > Power, Thermal and Mechanical.
3. Click the Power tab, and then click Battery Check.
Battery Check examines the battery and its cells to see if they are functioning properly, and then reports
the results of the examination.
Displaying the remaining battery charge
▲
Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar.
– or –
View the estimated number of minutes of battery charge remaining in Windows Mobility Center:
▲
Click the battery meter icon, and then click Windows Mobility Center.
– or –
Select Start > Control Panel > Mobile PC > Windows Mobility Center.
The time shown indicates the approximate running time remaining on the battery
if the battery
continues to provide power at the current level
. For example, the time remaining will decrease
when a DVD is playing and will increase when a DVD stops playing.
Inserting or removing the battery
CAUTION: Removing a battery that is the sole power source can cause loss of information. To prevent
loss of information, save your work and initiate Hibernation or shut down the computer through Windows
before removing the battery.
To insert the battery:
1. Turn the computer upside down on a flat surface.
Using battery power 61
- HP EliteBook 1
- Safety warning notice 3
- Table of contents 5
- 1Features 13
- 2 Chapter 1 Features 14
- Identifying hardware 3 15
- 4 Chapter 1 Features 16
- Identifying hardware 5 17
- Front components 18
- Identifying hardware 7 19
- Rear components 20
- Right-side components 20
- Left-side components 20
- Bottom components 21
- Display components 22
- Identifying hardware 11 23
- Identifying the labels 24
- Icon Name Description 26
- Setting up a WLAN 29
- Protecting your WLAN 29
- Connecting to a WLAN 30
- Roaming to another network 31
- WLAN connection is very weak 36
- Selecting a location setting 38
- Using pointing devices 42
- Using the keyboard 42
- Displaying system information 43
- Initiating Sleep 44
- Switching the screen image 45
- Using HP QuickLook 46
- Using HP QuickWeb 46
- Using keypads 46
- 4 Multimedia 49
- Multimedia software 50
- Checking your audio functions 51
- Using the DisplayPort 53
- Identifying the optical drive 54
- CD-R discs 55
- CD-RW discs 55
- Playing a CD, DVD, or BD 56
- Configuring AutoPlay 57
- Changing DVD region settings 57
- Copying a CD, DVD, or BD 58
- Troubleshooting 60
- A disc does not play 62
- Webcam (select models only) 64
- Adjusting webcam properties 65
- 5 Power management 68
- Using the battery meter 69
- Using power plans 69
- Starting Power Assistant 70
- Using external AC power 71
- Using battery power 72
- Using Battery Check 73
- Charging a battery 74
- Managing low battery levels 75
- Calibrating a battery 77
- Step 3: Discharge the battery 78
- Conserving battery power 79
- Storing a battery 79
- Testing an AC adapter 80
- Shutting down the computer 80
- 6 Drives 82
- Using HP 3D DriveGuard 83
- Replacing a hard drive 88
- Replacing an optical drive 90
- 7 External devices 93
- Using a 1394 device 94
- Using external drives 95
- Using a docking device 96
- 8 External media cards 97
- Removing a digital card 98
- Configuring an ExpressCard 98
- Inserting an ExpressCard 98
- Inserting a smart card 101
- Removing a smart card 101
- 9 Memory modules 102
- 10 Security 110
- Using passwords 111
- BIOS administrator password 112
- Setting a DriveLock password 115
- Entering a DriveLock password 116
- Changing a DriveLock password 117
- Removing DriveLock protection 118
- Securing system devices 119
- Using antivirus software 121
- Using firewall software 121
- Installing critical updates 121
- Installing a security cable 122
- 11 Software updates 123
- Updating the BIOS 124
- Downloading a BIOS update 125
- Updating programs and drivers 126
- 12 Backup and recovery 128
- Performing a recovery 129
- Using f11 recovery tools 130
- Worldwide Telephone Numbers 131
- 13 Computer Setup 132
- Computer Setup menus 133
- File menu 134
- Security menu 134
- System Configuration menu 135
- Computer Setup menus 125 137
- Computer Setup menus 127 139
- 14 MultiBoot 140
- 15 Management and Printing 144
- Support Software 146
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