Dell Latitude C640 Manuel d'utilisateur Page 56
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Connect the computer directly to an electrical outlet - Bypass power protection devices,
power strips, and the extension cable to verify that the computer turns on.
Eliminate possible interference - Turn off nearby fans, fluorescent lights, halogen lamps, or
other appliances.
Adjust the Power Properties - See "Power Management."
Reseat the memory modules - If the computer power light turns on but the display remains
blank, reseat the memory modules.
Ensuring Sufficient Power for Your Computer
Your computer's Intel® Pentium® 4 microprocessor requires more power than the microprocessors used in
some of Dell's previous portable computers. The computer achieves maximum performance with the 70-W
(standard) or 90-W (optional) AC adapter and the 4460-mAh battery (standard).
You can use the 3800-mAh and 3600-mAh batteries from earlier Dell computers, but these lower-capacity
batteries will discharge significantly faster. The computer is not designed to run with the Latitude 50-W AC
travel adapter.
NOTICE: Do not use a battery rated under 3600 mAh in this computer; lower-capacity batteries may
prevent the computer from powering up.
Docking Power Considerations
To achieve maximum performance when using the Dell C/Dock Expansion Station, you must use a 90-W AC
adapter with the expansion station. Using a 70-W AC adapter with the expansion station causes the
computer to run in reduced-performance mode and may result in an AC adapter warning message.
All Dell C/Dock Expansion Stations and C/Port Advanced Port Replicators manufactured after April 2002
shipped with 90-W AC adapters. If you have an earlier expansion station with a 70-W AC adapter and want
to upgrade for optimal performance, you can purchase a 90-W AC adapter from Dell.
The following table summarizes system performance expectations for the various AC adapters and docking
configurations.
- Notes, Notices, and Cautions 1
- Abbreviations and Acronyms 1
- Finding Information 2
- Using Devices 3
- Fixing Problems 3
- Installing Parts 4
- About Your Computer 5
- Dell AccessDirect™ Button 8
- Left Side View 9
- Right Side View 10
- Back View 13
- Bottom View 17
- About Microsoft® Windows® XP 18
- Desktop Cleanup Wizard 19
- Program Compatibility Wizard 20
- Internet Connection Firewall 21
- Dell™ AccessDirect™ Button 22
- Numeric Keypad 23
- Keyboard Shortcuts 23
- System Functions 24
- Display Functions 24
- Power Management 24
- Speaker Functions 24
- Touch Pad 25
- Track Stick 26
- Changing the Track Stick Cap 28
- Using the Module Bay 29
- In Microsoft® Windows® XP 30
- In Windows 2000 30
- Using the CD or DVD Tray 31
- Adjusting the Volume 32
- Adjusting the Picture 32
- Using a Battery 34
- Checking the Battery Charge 35
- Charging the Battery 36
- Removing a Battery 37
- Installing a Battery 37
- Storing a Battery 38
- Power Options Properties 40
- In Windows XP 41
- Power Schemes Tab 41
- Alarms Tab 41
- Power Meter Tab 42
- Advanced Tab 42
- Hibernate Tab 42
- Intel SpeedStep® Tab 42
- Using PC Cards 44
- Installing a PC Card 45
- Removing a PC Card or Blank 46
- Traveling With Your Computer 47
- Travel Tips 48
- Passwords 50
- Using a Hard Drive Password 51
- Assigning an Asset Tag 52
- Deleting an Asset Tag Number 53
- Assigning an Owner Tag 53
- Deleting an Owner Tag 54
- Asset Tag Options 54
- Solving Problems 55
- Docking Power Considerations 56
- Error Messages 57
- Video and Display Problems 61
- Sound and Speaker Problems 63
- Printer Problems 65
- Touch Pad or Mouse Problems 67
- External Keyboard Problems 68
- Unexpected Characters 69
- Drive Problems 69
- PC Card Problems 72
- Network Problems 73
- General Program Problems 73
- If Your Computer Gets Wet 74
- Using the Display 77
- Dual Independent Display Mode 78
- Using the Dell Diagnostics 81
- Starting the Dell Diagnostics 82
- Advanced Testing 83
- Advanced Testing Main Screen 84
- Advanced Testing Help Menu 84
- Cleaning Your Computer 87
- Floppy Drive 88
- CD, CD-RW, and DVD Drives 88
- Reinstalling Software 89
- Windows XP 91
- Windows 2000 92
- Creating a Restore Point 94
- Adding and Replacing Parts 96
- Adding a Mini PCI Card 98
- Replacing the Hard Drive 100
- Adding a Modem 102
- S-Video Connection 104
- Composite Video Connection 106
- ATI Video Controller 109
- Overview 112
- System Setup Screens 113
- Commonly Used Options 113
- Performing a One-Time Boot 114
- Changing Printer Modes 115
- Changing COM Ports 115
- Enabling the Infrared Sensor 115
- Specifications 117
- Getting Help 123
- AutoTech Service 124
- Problems With Your Order 125
- Product Information 125
- Before You Call 126
- Contacting Dell 127
- Appendix 141
- FCC Notices (U.S. Only) 142
- Modem Regulatory Information 143
- IC Notice (Canada Only) 144
- CE Notice (European Union) 145
- CE Mark Notice 146
- New Zealand Telecom Warnings 147
- ENERGY STAR® Compliance 148
- VCCI Notice (Japan Only) 149
- Class A ITE 150
- Class B ITE 150
- Class A Device 151
- Class B Device 152
- BSMI Notice (Taiwan Only) 154
- NOM Information (Mexico Only) 155
- Macrovision Product Notice 156
- Warranty and Return Policy 156
- Glossary 157
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