Dell Vostro 1510 Setup and Quick Reference Guide - Page 35
Troubleshooting, Tools, Power Lights, Beep Codes - motherboard
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Troubleshooting CAUTION: To guard against the likelihood of electric shock, laceration by moving fan blades, or other expected injuries, always unplug your computer from the electrical outlet before opening the cover. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. Tools Power Lights The two-color power-button light located on the front of the computer illuminates and blinks or remains solid to indicate different states: • If the power light is off, the computer is either turned off or is not receiving power. • If the power light is steady blue and the computer is not responding, ensure that the display is connected and powered on. • 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 blinking amber, the computer is receiving electrical power, a device such as a memory module or graphics card might be malfunctioning or incorrectly installed. • If the power light is steady amber, there may be a power problem or an internal device malfunction. 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. Troubleshooting 35