40
S o l v i n g Pr o b l e m s
www
.dell.com | support.dell.com
I
F
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 power connector
on the back of the computer and the electrical outlet.
• 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 is turned on.
• Ensure that the electrical outlet is working by testing it with another device,
such as a lamp.
• Ensure that the voltage selection switch is set to match the AC power at your
location (see page 9).
• Bypass power protection devices, power strips, and power extension cables to
verify that the computer turns on.
• Swap the computer and monitor power cables to determine if the power cable
is defective.
• Ensure that the microprocessor power cable is securely connected to the
system board (see page 69).
• Ensure that the power supply cables are securely connected to the system
board (see page 69).
• Remove and then reinstall the memory modules (see page 76).
• Remove and then reinstall any cards (see page 70).
• Remove and then reinstall the video card, if applicable (see page 78).
• If the problem persists, contact Dell (see page 95).
I
F
THE
POWER
LIGHT
IS
AMBER
AND
GREEN
—
The computer is
receiving electrical power, but an internal power problem might exist.
• Ensure that the microprocessor power cable is securely connected to the
system board (see page 69).
• If the problem persists, contact Dell (see page 95).
E
LIMINATE
INTER FERENCE
—
Electrical appliances on the same circuit or
operating near the computer can cause interference. Other causes of interference
are:
• Power extension cables
• Keyboard and mouse extension cables
• Too many devices on a power strip
• Multiple power strips connected to the same electrical outlet
Содержание Dimension 4500
Страница 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell Dimension 4500 ...
Страница 8: ...8 Contents ...
Страница 16: ...16 Safety Instr uctions w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 46: ...46 Solving Pr oblems w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 58: ...58 Advanced Tr oubleshooting w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 67: ...Adding Parts 67 release button arrow release button ...
Страница 138: ...138 Appendix w w w d e l l c o m s u p p o r t d e l l c o m ...
Страница 142: ...142 Index 142 Index ...