Dell Precision M70 User Manual Page 12
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Using a Battery
DellPrecision™MobileWorkstationM70User'sGuide
Battery Performance
Checking the Battery Charge
Charging the Battery
Removing a Battery
Installing a Battery
Storing a Battery
Battery Performance
ForoptimalcomputerperformanceandtohelppreserveBIOSsettings,operateyourDell™portablecomputerwiththemainbatteryinstalledatalltimes.Use
a battery to run the computer when it is not connected to an electrical outlet. One battery is supplied as standard equipment in the battery bay.
Battery operating time varies depending on operating conditions. You can install an optional second battery in the module bay to significantly increase
operating time.
Operating time is significantly reduced when you perform operations including, but not limited to, the following:
l Using optical drives, such as DVD or CD drives
l Using wireless communications devices, PC Cards, or USB devices
l Using high-brightness display settings, 3D screen savers, or other power-intensive programs such as 3D games
l Running the computer in maximum performance mode
You can check the battery charge before you insert the battery into the computer. You can also set power management options to alert you when the battery
charge is low.
Checking the Battery Charge
The Dell QuickSet Battery Meter, the Microsoft® Windows® Power Meter window and icon, the battery charge gauge and health gauge, and the low-
battery warning provide information on the battery charge.
Dell QuickSet Battery Meter
If Dell QuickSet is installed, press <Fn><F3> to display the QuickSet Battery Meter.
The Battery Meter window displays status, charge level, and charge completion time for the battery in your computer.
In addition, when your computer is connected to a docking device (docked), the Battery Meter window includes a Dock Battery tab, which displays the charge
level and current status of the docking device battery.
The following icons appear in the Battery Meter window:
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
NOTE: Batteries for portable computers are covered only during the initial 1-year period of the limited warranty for your computer. For more information
about the Dell warranty for your computer, see the Product Information Guide or separate paper warranty document that shipped with your computer.
NOTE: Battery capacity (the time it can hold a charge) decreases over time. Depending on how often the battery is used and the conditions under which
it is used, you may need to purchase a new battery during the life of your computer.
NOTE: It is recommended that you connect your computer to an electrical outlet when writing to a CD or DVD.
CAUTION: Using an incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased
from Dell. The lithium-ion battery is designed to work with your Dell computer. Do not use a battery from other computers with your computer.
CAUTION: Do not dispose of batteries with household waste. When your battery no longer holds a charge, call your local waste disposal or
environmental agency for advice on disposing of a lithium-ion battery. See "Battery Disposal" in the Product Information Guide.
CAUTION: Misuse of the battery may increase the risk of fire or chemical burn. Do not puncture, incinerate, disassemble, or expose the battery to
temperaturesabove65°C(149°F).Keepthebatteryawayfromchildren.Handledamagedorleakingbatterieswithextremecare.Damaged
batteries may leak and cause personal injury or equipment damage.
NOTE: You can use your docking device to charge a computer battery. However, a battery in a docking device does not power the docking device or
computer.
The computer or docking device is running on battery power.
- Notes, Notices, and Cautions 1
- Abbreviations and Acronyms 1
- About Your Computer 2
- Left Side View 4
- Right Side View 5
- Back View 6
- Bottom View 7
- Appendix 9
- Using a Battery 12
- Charging the Battery 13
- Removing a Battery 13
- Installing a Battery 14
- Storing a Battery 14
- Using the Module Bay 15
- Playing a CD or DVD 18
- Adjusting the Volume 18
- Adjusting the Picture 19
- S-Video and Standard Audio 20
- ATI Video-Controller Card 25
- 11. Click OK 26
- Cleaning Your Computer 27
- Dell Diagnostics 28
- Dell Diagnostics Main Menu 29
- Using the Display 30
- Microsoft Windows 2000 31
- Microsoft Windows XP 31
- Large Desktop Display Mode 32
- Reinstalling Software 33
- Windows XP 35
- Creating a Restore Point 36
- Before You Begin 37
- Reinstalling Windows XP 37
- Finding Information 39
- Operating System CD 40
- Getting Help 42
- Problems With Your Order 43
- Product Information 43
- Before You Call 44
- Contacting Dell 44
- Glossary 53
- Numeric Keypad 61
- Key Combinations 61
- Touch Pad 62
- Passwords 64
- Assigning an Asset Tag 65
- Asset Tag Options 67
- Enabling the TPM Feature 67
- Using PC Cards 69
- Installing a PC Card 70
- Power Management 71
- Power Management Modes 72
- Power Options Properties 73
- Hibernate Tab 74
- Solving Problems 75
- Hard drive problems 76
- Error Messages 77
- Keyboard Problems 80
- A program stops responding 81
- A program crashes repeatedly 81
- A solid blue screen appears 81
- Other software problems 81
- Memory Problems 82
- Network Problems 82
- PC Card Problems 82
- Power Problems 83
- Printer Problems 84
- Scanner Problems 84
- Sound and Speaker Problems 85
- Video and Display Problems 86
- If the display is blank 87
- Dell™QuickSetFeatures 89
- Before You Begin 90
- Memory 91
- Memory Module DIMM A 93
- Modem 94
- Mini PCI Card 95
- Hard Drive 97
- Coin-Cell Battery 99
- Overview 100
- System Setup Screen 100
- Commonly Used Options 100
- Changing COM Ports 101
- Enabling the Infrared Sensor 101
- Using Smart Cards 102
- Specifications 103
- DellPrecision™ 107
- Identifying Your Computer 108
- Packing the Computer 108
- Travel Tips 108
- Back to Contents Page 113
- Help and Support Center 114
- Desktop Cleanup Wizard 115
- Adding User Accounts 117
- Fast User Switching 117
- Network Setup Wizard 118
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