Dell Inspiron 531S Owner's  Manual - Page 80

• 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 112). - Remove and then reinstall any cards (see "Cards" on page 116). - Remove and then reinstall the graphics card, if applicable (see "Cards" on page 116). • 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 107). - Ensure that the main power cable and front panel cable are securely connected to the system board (see "System Board Components" on page 107). 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 84). Code Description (repetitive short beeps) Suggested Remedy 3 Possible motherboard Contact Dell. failure. 1 BIOS checksum Contact Dell. failure. Possible motherboard failure. 80 Troubleshooting Tools