Personal Computer User Manual
Table Of Contents
- Contents
- Finding Information
- Setting Up and Using Your Computer
- Front View of the Computer
- Back View of the Computer
- Installing Your Computer in an Enclosure
- Setting Up a Printer
- Playing CDs and DVDs
- Copying CDs and DVDs
- Using a Media Card Reader (Optional)
- Connecting Two Monitors
- Power Management Options in Windows XP
- Power Management Options in Windows Vista
- Enabling SpeedStep™ Technology
- About RAID Configurations
- Transferring Information to a New Computer
- Setting Up a Home and Office Network
- Connecting to the Internet
- Solving Problems
- Troubleshooting Tips
- Battery Problems
- Drive Problems
- E-Mail, Modem, and Internet Problems
- Error Messages
- Keyboard Problems
- Lockups and Software Problems
- Media Card Reader Problems
- Memory Problems
- Mouse Problems
- Network Problems
- Power Problems
- Printer Problems
- Scanner Problems
- Sound and Speaker Problems
- Video and Monitor Problems
- Troubleshooting Tools
- Removing and Installing Parts
- Appendix
- Glossary
- Index
72 Solving Problems
Power Problems
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide.
IF THE POWER LIGHT IS OFF — The computer is either turned off or is not
receiving power.
• Reseat the power cable 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. Also bypass
power protection devices, power strips, and power extension cables to verify that
the computer turns on properly.
• Ensure that the electrical outlet is working by testing it with another device, such
as a lamp.
IF THE POWER LIGHT IS STEADY BLUE AND THE COMPUTER IS NOT
RESPONDING — See "Power Lights" on page 79.
IF THE POWER LIGHT IS BLINKING BLUE — The computer is in standby mode.
Press a key on the keyboard, move the mouse, or press the power button to resume
normal operation.
IF THE POWER LIGHT IS STEADY AMBER — Power problem or internal device
malfunction.
• Ensure that the 12-volt power connector (12V) is securely connected to the system
board (see "System Board Components" on page 105).
• Ensure that the main power cable and front panel cable are securely connected to
the system board (see "System Board Components" on page 105).
IF THE POWER LIGHT IS BLINKING AMBER — The computer is receiving electrical
power, a device might be malfunctioning or incorrectly installed.
• Remove and then reinstall the memory modules (see "Memory" on page 111).
• Remove and then reinstall any cards (see "Cards" on page 115).
• Remove and then reinstall the graphics card, if applicable (see "Removing a
PCI/PCI Express Card" on page 120).