Gateway 3450 Guía Del Usuario

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Adjust the brightness controls.

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Move the computer away from sources of electrical interference such as 
televisions, unshielded speakers, microwaves, fluorescent lights, and 
metal beams or shelves.

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Change the display settings. For more information, see “Adjusting the 
screen and desktop settings” on page 136.

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Make sure the memory modules are inserted correctly in the memory bay 
slot. For more information, see “Installing memory” on page 157.

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Use diagnostic programs to help determine if a memory module is failing. 
For more information, see “Installing memory” on page 157.

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Close all programs, then restart the computer.

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Make sure your computer is connected to the telephone line and the 
telephone line has a dial tone. Use the Setup poster to make sure that 
the connections have been made correctly.

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Make sure that the modem cable is less than 6 feet (1.8 meters) long.

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Remove any line splitters or surge protectors from your telephone line, 
then check for a dial tone by plugging a working telephone into the 
telephone wall jack.

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If you have additional telephone services such as call waiting, call 
messaging, or voice mail, make sure that all messages are cleared and call 
waiting is disabled before using the modem. Contact your telephone 
service to get the correct code to temporarily disable the service. Also 
make sure the modem dialing properties are set appropriately.