Dell Latitude C800 User Manual Page 5
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1
If you install a failed battery, the light flashes amber rapidly. To purchase a new battery, call Dell or go to the Dell website at
http://www.dell.com. Dispose of the old battery properly.
2
Allow a hot battery to cool for several minutes before checking the charge level again.
Battery Warnings
NOTICE: When you see a low-battery warning, save your work immediately. Then replace the battery or connect your computer to an
electrical outlet.
NOTICE: To avoid losing data (and possibly corrupting data areas on your hard-disk drive), save your work immediately after a
second low-battery warning. Then connect your computer to an electrical outlet, or place the computer in standby mode. If the
battery runs completely out of power, the computer shuts off without properly closing any open files.
Charging the Battery
l Each time you connect the computer to an electrical outlet or install a battery in a computer that is connected to an electrical outlet, the
computerchecksthebattery'scharge.Ifneeded,thecomputerusesDellExpressCharge™technologytochargethebattery.
l If the computer is off and connected to an electrical outlet, ExpressCharge technology charges a fully discharged battery in about one hour.
Otherwise,chargetimesdependonwhichdevicesyouareusingandwhichprogramsyouarerunning.
l The lightremainssteadygreenduringcharging.
l The light starts blinking when the charge cycle is complete. While the lightisblinking,theACadapterprovidesatricklechargeto
bring the battery to full capacity. The light continues to blink until you remove the battery or disconnect the computer from its electrical
outlet.
l If two batteries are installed in the computer, the AC adapter first charges the battery in the battery bay, then the battery in the modular bay.
NOTICE: If the battery is hot from being used in your computer or being in a hot environment, follow these precautions:
l A hot battery will not charge when you connect the AC adapter to the computer. This feature is important because charging a
hot battery shortens the battery’s life span and may damage the battery and the computer.
l The battery is too hot to start charging if the light flashes alternately green and amber. If this occurs while the computer is
connected to an electrical outlet, disconnect the computer from the outlet and allow the computer and the battery to return to
roomtemperature.Thenreconnectthecomputertoitselectricaloutletandcontinuechargingthebattery.
l If the computer is not allowed to return to room temperature, the battery stops charging before it reaches full capacity.
Detecting Battery Problems
To avoid installing a defective battery in your computer, check the battery's charge by pressing the battery test button. The battery gauge light will
not light if the battery is completely drained. A battery problem may prevent the battery from being charged to its full potential and can lead to
unpredictableoperation.
Warning (If AC adapter is
not attached)
Light
RemainingBatteryLife
Computer Response
First low-battery
Blinking amber
About 15 minutes
If no further activity occurs, enters hibernate mode and
turns off computer. If the computer has no hibernate file,
entersstandbymode.
Second low-battery
Steady amber
About 5 minutes
If no further activity occurs, enters hibernate mode. If
thereisnohibernatefile,entersstandbymode.
If already in standby mode when second low-battery
warning occurs, enters hibernate mode immediately. If
hibernate mode has been disabled, reenters standby
mode.
NOTE: You can leave the battery in the computer as long as you like. The battery's integrated circuitry prevents the battery from
overcharging.
Light After Installing a
Battery
Problem
Action
Alternately green and amber
Battery too hot to charge
Turn off the computer, and let the battery and computer cool to room
temperature.
- About the AC Adapter 2
- Connecting the AC Adapter 2
- About the Batteries 2
- Checking the Battery Charge 4
- Battery Warnings 5
- Charging the Battery 5
- Detecting Battery Problems 5
- Battery Disposal 6
- Back View 7
- Left Side View 7
- Right Side View 8
- External Monitor 9
- Parallel Devices 9
- Docking Devices 10
- USB Devices 10
- Serial Devices 10
- AC Adapter 10
- Infrared Sensor 11
- Network 11
- TV and Digital Audio 12
- Audio Devices 13
- IEEE 1394 Devices 13
- Overview 14
- International Dialing Codes 14
- Americas Contact Numbers 15
- Europe Contact Numbers 17
- Advanced Testing 24
- Back to Contents Page 35
- Status Lights 36
- Drive access 37
- Caps Lock 37
- Scroll Lock 37
- Technical Assistance 38
- Help Tools 38
- Problems With Your Order 39
- Product Information 39
- Before You Call 40
- Finding Information 41
- Safety and EMC Symbols 41
- Safety Instructions 41
- EMC Instructions 43
- When Using Your Computer 43
- Ergonomic Computing Habits 44
- Conservation Tips 46
- Power Conservation Modes 46
- Power Options Properties 47
- Power Management Properties 48
- Activating Standby Mode 48
- Activating Hibernate Mode 48
- Activating Suspend Mode 49
- ENERGY STAR®Emblem 49
- FCC Notices (U.S. Only) 50
- IC Notice (Canada Only) 52
- CE Notice (European Union) 52
- Battery Disposal 53
- VCCI Notice (Japan Only) 53
- BSMI Notice (Taiwan Only) 56
- CE Mark Notice 57
- About Passwords 63
- Using a Primary Password 63
- Using a Hard Drive Password 63
- Assigning an Asset Tag 64
- The System Setup Screens 67
- Changing the Boot Sequence 68
- Changing Printer Modes 68
- Changing COM Ports 68
- Enabling the IR Sensor 68
- During POST, the 77
- Processor 82
- PC Cards 82
- Connectors 83
- Display 85
- Keyboard 85
- Battery 85
- AC Adapter 86
- Physical 86
- Environmental (Computer) 87
- Touch Pad 87
- Track Stick 88
- Supported CD/DVD Formats 88
- Fixed Optical Drives 88
- Identifying Your Computer 89
- Packing the Computer 89
- Travel Tips 89
- Traveling by Air 90
- Modular Bay 91
- Floppy Drive 93
- CD, CD-RW, or DVD Drive 93
- Keyboard and Keypad Controls 95
- DellAccessDirect™Key 96
- Speaker Controls 96
- Cursor Controls 97
- Latitude 101
- C800 User's Guide 101
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