640 x 480 resolution means that the screen is 640 pixels wide by 480 tall, ... With the exception of one resolution combination (1280 x 1024 uses a ratio of 5:4), ... A black and white monitor uses 1-bit color depth (2 to the power of 1): ... 5 bits for red, and 6 bits for green, giving 32 different intensities for ...
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Turn the laptop on and hold down the "Fn" key on the laptop's keyboard.
Tap the arrow key that has a picture of an open sun to make the laptop screen brighter.
The laptop will automatically save the adjustments after you release the "Fn" key.
Tap the arrow key that has a picture of a filled-in sun to make the laptop screen darker.
The laptop will automatically save the adjustments after you release the "Fn" key.
Screen Resolution
Click the "Start" menu. Click "Settings" and "Control Panel."
Choose "Display" and "Settings" in Windows 98, ME or XP. In Windows Vista, click "Appearance" and "Adjust Screen Resolution."
Click on the resolution bar and slide it to the right to lower the screen's resolution and to the left to raise the screen's resolution.
The optimum screen resolution usually depends on the size of the laptop screen.
The recommended resolution for a 15-inch screen is 1024 x 768, 17- to 19-inch screen is 1280 x 1024, and 20-inch screens is 1600 x 1200.
However, you can adjust the resolution to your personal preference.
Click ""Apply to see how the resolution looks on the laptop's monitor.
Click "OK" to save the resolution settings.
Color Setting
Click the "Start" menu. Click "Settings" and "Control Panel."
Choose "Display" and "Settings" in Windows 98, ME or XP.
In Windows Vista, click "Appearance" and "Adjust Screen Resolution."
Click "Colors." Choose 32-bit for a high color-pixel ratio that will make the colors brighter and bring out image details.
Choose 24-bit for a medium color-pixel ratio if the screen is too bright or if images are somewhat distorted.
Some older laptops have a 16-bit color setting, but this setting is no longer recommended as it will distort images and text.
Always Click "Apply" to see how the color setting looks on the laptop's monitor.
Click "OK" to save the color settings
hope this helps
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