Dell Precision M20 User Manual Page 98
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- Table of contents
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Ensuring Sufficient Power for Your Computer
Your computer is designed to use the 90-W AC adapter; for optimum system performance, you should always use this adapter.
The 65-WACadaptersusedinotherDell™portablecomputerscanbeusedwithyourcomputer,buttheywilldecreasesystemperformance.Usingless-
powerful AC adapters, including the 65-W AC adapter, will cause you to receive a WARNING message.
Docking Power Considerations
Due to the extra power consumption when a computer is docked to the Dell D/Dock, normal computer operation is not possible on battery power alone.
Ensure that the 90-W AC adapter is connected to your computer when the computer is docked to the Dell D/Dock.
Docking While the Computer Is Running
If a computer is connected to the Dell D/Dock or Dell D/Port while the computer is running, presence of the docking device is ignored until the AC adapter is
connected to the computer.
AC Power Loss While the Computer Is Docked
If a computer loses AC power while docked to the Dell D/Dock or Dell D/Port, the computer immediately goes into low-performance mode.
Printer Problems
Fill out the Diagnostics Checklist as you complete these checks.
Reseat the memory modules — If the computer power light turns on but the display remains blank, reinstall the memory modules.
NOTE: Ensure that your battery is charged before attempting to undock your computer.
NOTE: When you undock your computer from the docking device, a solid black screen may appear, depending on the type of video adapter that you are
using. This is expected behavior and does not indicate that a problem exists. See your docking device documentation for more information on undocking
your computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTE: If you need technical assistance for your printer, contact the printer's manufacturer.
Checktheprinterdocumentation— See the printer documentation for setup and troubleshooting information.
Ensure that the printer is turned on
Checktheprintercableconnections—
l See the printer documentation for cable connection information.
l Ensure that the printer cables are securely connected to the printer and the computer.
Testtheelectricaloutlet— Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
VerifythattheprinterisrecognizedbyWindows—
Windows XP
1. Click the Start button, click Control Panel, and then click Printers and Other Hardware.
2. Click View installed printers or fax printers.
If the printer is listed, right-click the printer icon.
3. Click Properties and click the Ports tab. For a parallel printer, ensure that the Print to the following port(s): setting is LPT1 (Printer
Port). For a USB printer, ensure that the Print to the following port(s): setting is USB.
Windows 2000
- About Your Computer 2
- Left View 4
- Right View 5
- Back View 6
- Bottom View 7
- Appendix 9
- Using a Battery 12
- Charging the Battery 13
- Removing a Battery 14
- 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
- Cleaning Your Computer 23
- Dell Diagnostics 25
- Dell Diagnostics Main Menu 26
- Using the Display 27
- Large Desktop Display Mode 28
- Windows 2000 29
- Reinstalling Software 30
- Windows XP 32
- Creating a Restore Point 33
- Before You Begin 34
- Reinstalling Windows XP 34
- Finding Information 36
- Operating System CD 37
- Getting Help 39
- Problems With Your Order 40
- Product Information 40
- Before You Call 41
- Contacting Dell 41
- Glossary 50
- Numeric Keypad 58
- Key Combinations 58
- Touch Pad 59
- Passwords 61
- Assigning an Asset Tag 62
- Deleting an Asset Tag 63
- Assigning an Owner Tag 63
- Deleting an Owner Tag 64
- Asset Tag Options 64
- Enabling the TPM Feature 64
- Using PC Cards 66
- Power Management 68
- Power Management Modes 69
- Power Options Properties 70
- Advanced Tab 71
- Hibernate Tab 71
- Dell™QuickSetFeatures 72
- Before You Begin 73
- Memory 74
- Modem 76
- Mini PCI Card 78
- Hard Drive 79
- Keyboard 80
- Coin-Cell Battery 83
- 5. Replace the cover 84
- Back to Contents Page 84
- Overview 85
- System Setup Screen 85
- Commonly Used Options 85
- Changing Printer Modes 86
- Changing COM Ports 86
- Enabling the Infrared Sensor 86
- Using Smart Cards 88
- Solving Problems 89
- Hard drive problems 90
- Error Messages 91
- IEEE 1394 Device Problems 93
- Keyboard Problems 94
- Memory Problems 96
- Network Problems 96
- PC Card Problems 97
- Power Problems 97
- Printer Problems 98
- Scanner Problems 99
- Sound and Speaker Problems 99
- No sound from headphones 100
- Video and Display Problems 101
- Specifications 103
- Identifying Your Computer 108
- Packing the Computer 108
- Travel Tips 108
- Help and Support Center 112
- Desktop Cleanup Wizard 113
- Fast User Switching 114
- Adding User Accounts 114
- Network Setup Wizard 115
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