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62 Solving Problems
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Video and Display Problems
If the display is blank
NOTE: If you are using a program that requires a higher resolution than your computer supports, it is
recommended that you attach an external monitor to your computer.
INVALID CONFIGURATION INFORMATION-PLEASE RUN SYSTEM SETUP PROGRAM — The system
configuration information does not match the hardware configuration. This message is most likely to
occur after a memory module is installed. Correct the appropriate options in the system setup program.
See "Using the System Setup Program" on page 98.
KEYBOARD CLOCK LINE FAILURE — For external keyboards, check the cable connection. Run the
Keyboard Controller test as described in "Dell Diagnostics."
KEYBOARD CONTROLLER FAILURE — For external keyboards, check the cable connection. Restart the
computer, and avoid touching the keyboard or the mouse during the boot routine. Run the Keyboard
Controller test as described in "Dell Diagnostics" (see page 59).
KEYBOARD DATA LINE FAILURE — For external keyboards, check the cable connection. Run the
Keyboard Controller test as described in "Dell Diagnostics" (see page 59).
KEYBOARD STUCK KEY FAILURE — For external keyboards or keypads, check the cable connection.
Restart the computer, and avoid touching the keyboard or keys during the boot routine. Run the Stuck
Key test as described in "Dell Diagnostics" (see page 59).
CHECK THE LIGHT — When the light is blinking, the computer has power.
• If the light is blinking, the computer is in standby mode—press the power button to exit standby
mode.
• If the light is off, press the power button.
• If the light is on, your power management settings may have caused the display to turn off. Try
pressing any key or move the cursor to exit standby mode.
CHECK THE BATTERY — If you are using a battery to power your computer, the battery charge may be
depleted. Connect the computer to an electrical outlet using the AC adapter, and turn on the
computer.