Dell Precision M65 User Manual Page 18
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Using the Display
User's Guide
Adjusting Brightness
Switching the Video Image
Setting Display Resolution and Refresh Rate
Dual Independent Display Mode
Swapping Primary and Secondary Displays
Using the Ambient Light Sensor
Adjusting Brightness
WhenaDell™computerisrunningonbatterypower,youcanconservepowerbysettingthebrightnesstothelowestcomfortablesettingbypressing<Fn>
and the up- or down-arrow key on the keyboard.
You can press the following keys to adjust display brightness:
l Press <Fn> and the up-arrow key to increase brightness on the integrated display only (not on an external monitor).
l Press <Fn> and the down-arrow key to decrease brightness on the integrated display only (not on an external monitor).
Switching the Video Image
When you start the computer with an external device (such as an external monitor or projector) attached and turned on, the image may appear on either the
computer display or the external device.
Press <Fn><F8> to switch the video image between the display only, the external device only, or the display and the external device simultaneously.
Setting Display Resolution and Refresh Rate
To display a program at a specific resolution, both the graphics card and the display must support the program, and the necessary video drivers must be
installed.
Before you change any of the default display settings, make a note of the default settings for future reference.
If you choose a resolution or color palette that is higher than the display supports, the settings adjust automatically to the closest supported values.
1. Click Start® Control Panel® Display® Settings.
2. Try different settings for Color quality and Screen resolution.
If the video resolution setting is higher than that supported by the display, the computer enters pan mode. In pan mode, the entire screen cannot be
displayed at one time. For example, the taskbar that usually appears at the bottom of the desktop may no longer be visible. To view the rest of the screen,
use the touch pad or track stick to pan up, down, left, and right.
Dual Independent Display Mode
You can attach an external monitor or projector to your computer and use it as an extension of your display (known as "dual independent display" or
"extended desktop" mode). This mode allows you to use both screens independently and drag objects from one screen to the other, effectively doubling the
amount of viewable work space.
1. Connect the external monitor, TV, or projector to the computer.
NOTE: Brightness key combinations only affect the display on your portable computer, not monitors or projectors that you attach to your portable
computer or docking device. If your computer is connected to an external monitor and you try to change the brightness level, the Brightness Meter may
appear, but the brightness level on the external device does not change.
NOTE: Use only the Dell-installed video drivers, which are designed to offer the best performance with your Dell-installed operating system.
NOTE: As the resolution increases, icons and text appear smaller on the screen.
NOTICE: You can damage an external monitor by using an unsupported refresh rate. Before adjusting the refresh rate on an external monitor, see the
user's guide for the monitor.
- Abbreviations and Acronyms 1
- About Your Computer 2
- Left Side View 4
- Right Side View 5
- Back View 6
- Bottom View 7
- Appendix 9
- Macrovision Product Notice 10
- FCC Notice (U.S. Only) 10
- Using a Battery 11
- Conserving Battery Power 12
- Power Management Modes 12
- Charging the Battery 13
- Replacing the Battery 14
- Storing a Battery 14
- Using Cards 15
- Removing a Card or Blank 16
- Back to Contents Page 17
- Using the Display 18
- Finding Information 21
- Dell QuickSet Help 22
- Operating System CD 22
- Glossary 24
- Getting Help 32
- Problems With Your Order 33
- Product Information 33
- Before You Call 34
- Contacting Dell 34
- Using the Keyboard 43
- Touch Pad 44
- Using Multimedia 46
- Adjusting the Picture 47
- Using Networks 48
- Setting Up a New WLAN 49
- Before You Begin 54
- Hard Drive 55
- Media Bay 56
- Hinge Cover 57
- Keyboard 58
- Memory 58
- Wireless Cards 61
- Mobile Broadband Cards 62
- Coin-Cell Battery 64
- Dell™QuickSet 66
- Securing Your Computer 67
- Passwords 68
- Using a Hard Drive Password 69
- Enabling the TPM Feature 69
- Computer Tracking Software 70
- System Setup Program 71
- Changing COM Ports 72
- Enabling the Infrared Sensor 72
- Reinstalling Software 74
- Creating a Restore Point 76
- Enabling System Restore 77
- Before You Begin 77
- Reinstalling Windows XP 77
- Specifications 78
- Identifying Your Computer 82
- Packing the Computer 82
- Travel Tips 82
- Troubleshooting 84
- Dell Diagnostics Main Menu 85
- Dell Support Utility 86
- Drive Problems 86
- CD and DVD drive problems 87
- Hard drive problems 87
- Error Messages 88
- IEEE 1394 Device Problems 91
- Keyboard Problems 91
- External Keyboard problems 92
- Unexpected characters 92
- A solid blue screen appears 93
- Other software problems 93
- Memory Problems 94
- Network Problems 94
- Power Problems 95
- Printer Problems 96
- Scanner Problems 97
- Sound and Speaker Problems 97
- No sound from headphones 98
- Video and Display Problems 99
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