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Ensure that the cable is firmly connected to the computer.
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Test the mouse —
Connect a mouse that works properly to the computer, and try using the mouse. If the new mouse works, the original
mouse was faulty.
Check the mouse settings
1. Click the Start button, click Control Panel, and then click Printers and Other Hardware.
2. Click Mouse.
3. Try adjusting the settings.
Reinstall the mouse driver —
See
Check for interrupt request conflicts —
Network Problems
Check the network cable connector —
Check the network lights on the back of the computer —
network cable.
These lights indicate there is network communcation:
Green light—indicates a 10-Mbps network connection
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Orange light—indicates a 100-Mbps network connection
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Blinking amber—indicates network traffic
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Restart the computer and try to log on to the network again
Check your network settings —
settings are correct and that the network is functioning.
Check for interrupt request conflicts —
Power Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
HINT:
If the power light on the front-panel
Adjust the Power Properties —
the
Tell Me How
help file, or search for the keyword standby or hibernate in Windows
If the power light is blinking green —
operation.
If the power light is off —
The computer is either turned off or is not receiving power.
Ensure that the power cable is firmly inserted into both the
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If the computer is plugged into a power strip, ensure that the power strip is plugged into an electrical outlet and that the power strip
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is turned on.
Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
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Ensure that the
voltage selection switch
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Bypass power protection devices, power strips, and power extension cables to verify that the computer turns on.
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Swap the computer and monitor power cables to determine if the power cable is defective.
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Ensure that the microprocessor power cable is securely connected to the
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Ensure that the power supply cables are securely connected to the
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Remove and then
reinstall the memory
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Remove and then
reinstall any
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If the problem persists, contact Dell. See "Contacting Dell" in the Dell Owner's Manual for the correct number to call.
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If the power light is steady amber —
Ensure that the power cable is firmly inserted into both the
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Ensure that the
voltage selection switch
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Ensure that the microprocessor power cable is securely connected to the
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Ensure that the power supply cables are securely connected to the
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If the problem persists, contact Dell. See "Contacting Dell" in the Dell Owner's Manual for the correct number to call.
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If the power light is blinking amber —
"Reinstalling
Drivers."
See
"Resolving Software and Hardware
Ensure that the network cable is connected as shown in the Dell Owner's Manual.
No light indicates that there is no network communication. Try replacing the
Contact your network administrator or the person who set up your network to verify that your network
See
"Resolving Software and Hardware
power button
is steady green, the computer is operating normally.
Your computer may be in standby or hibernate mode. For information on power conservation modes, see
The computer is in standby mode. Press a key on the keyboard or move the mouse to resume normal
power connector
is set to match the AC power at your location.
modules.
cards.
The computer is receiving electrical power, but an internal power problem might exist.
power connector
is set to match the AC power at your location.
A device might be malfunctioning or incorrectly installed.
Incompatibilities."
Incompatibilities."
"Safety
Instructions."
®
Help.
on the back of the computer and the electrical outlet.
system
board.
system
board.
on the back of the computer and the electrical outlet.
system
board.
system
board.
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