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84 Troubleshooting Tools
• 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 123).
– Remove and then reinstall any cards (see "Cards" on page 128).
– Remove and then reinstall the graphics card, if applicable (see "Cards"
on page 128).
• If the power light is steady amber, there may be a power problem or an
internal device malfunction.
– Ensure that all power cables are securely connected to the system
board (see "Inside View of Your Computer" on page 108).
– Ensure that the main power cable and front panel cable are securely
connected to the system board (see "Inside View of Your Computer"
on page 108).
Beep Codes
Your computer might emit a series of beeps during start-up if the monitor
cannot display errors or problems. This series of beeps, called a beep code,
identifies a problem. One possible beep code consists of repetitive three short
beeps. This beep code tells you that the computer encountered a possible
motherboard failure.
If your computer beeps during start-up:
1
Write down the beep code.
2
Run the Dell Diagnostics to identify a more serious cause (see "Dell
Diagnostics" on page 88).
book.book Page 84 Monday, October 6, 2008 11:38 AM