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76 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 107).
– Remove and then reinstall any cards (see "Cards" on page 111).
– Remove and then reinstall the graphics card, if applicable (see "Cards"
on page 111).
• 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 "System Board Components" on page 102).
– Ensure that the main power cable and front panel cable are securely
connected to the system board (see "System Board Components" on
page 102).
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 80).
book.book Page 76 Friday, April 4, 2008 12:10 PM