Dell Vostro 5515 Vostro 15 5515 Service Manual - Page 72
System diagnostic lights
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System diagnostic lights Battery-status light Indicates the power and battery-charge status. Solid white - Power adapter is connected and the battery has more than 5 percent charge. Amber - Computer is running on battery and the battery has less than 5 percent charge. Off - Discharging or other power states ● Power adapter is connected and the battery is fully charged. ● Computer is running on battery and the battery has more than 5 percent charge. ● Computer is in sleep state, hibernation, discharging, or turned off. The power and battery-status light blinks amber along with beep codes indicating failures. For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected. The following table shows different power and battery-status light patterns and associated problems. Blinking Pattern 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 3 1 3 2 3 3 3 4 3 5 Problem description Suggested resolution CPU failure Run the Intel CPU diagnostics tools. If problem persists, replace the system board. System Board failure (included BIOS corruption or ROM error) Flash latest BIOS version. If problem persists, replace the system board. No Memory / RAM detected Confirm that the memory module is installed properly. If problem persists, replace the memory module. Memory / RAM failure Reset and swap memory modules amongst the slots. If problem persists, replace the memory module. Invalid memory installed Reset and swap memory modules amongst the slots. If problem persists, replace the memory module. System board / Chipset Error Replace the system board. LCD failure (SBIOS message) Replace the LCD module. LCD failure (EC detection of Replace the system board. power rail failure) CMOS battery failure Reset the CMOS battery connection. If problem persists, replace the RTC battery. PCI or Video card/chip failure Replace the system board. BIOS recovery image not found Flash latest BIOS version. If problem persists, replace the system board. BIOS recovery image found but invalid Flash latest BIOS version. If problem persists, replace the system board. Power rail failure Replace the system board. 72 Troubleshooting
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