User's Manual

208
Chapter 16: Troubleshooting
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LCD panel
The screen resolution is not correct
■ Change the screen resolution and color depth from the Display Properties
dialog box. For more information, see “Adjusting the color depth” on
page 110 and “Adjusting the screen resolution” on page 111.
The text on the display is dim or difficult to read
■ Move the computer away from sources of electrical interference such as
televisions, unshielded speakers, microwaves, fluorescent lights, and
metal beams or shelves.
■ Change the display settings. For more information, see “Adjusting the
screen and desktop settings” on page 110.
Memory
You receive a “Memory error” message
■ Make sure the memory modules are inserted correctly in the memory bay
slot. For more information, see “Installing memory” on page 125.
■ Use diagnostic programs to help determine if a memory module is failing.
For more information, see “Installing memory” on page 125.
You receive a “Not enough memory” error message
■ Close all programs, then restart the computer.
Modem
Your modem does not dial or does not connect
■ Make sure your computer is connected to the telephone line and the
telephone line has a dial tone. See “Connecting the modem” on page 28
to make sure that the connections have been made correctly.
■ Make sure that the modem cable is less than 6 feet (1.8 meters) long.
■ 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.