Dell M4600 Device Status Lights, Battery Status Lights, LED Error Codes, Diagnostic LED

Device Status Lights

Turns on when you turn on the computer and blinks when the computer is in a power management mode.

Turns on when the computer reads or writes data.

Turns on steadily or blinks to indicate battery charge status.

Turns on when wireless networking is enabled.

Turns on when a card with Bluetooth wireless technology is enabled. To turn off only the Bluetooth wireless technology function, right-click the icon in the system tray and select Disable Bluetooth Radio.

Battery Status Lights

If the computer is connected to an electrical outlet, the battery light operates as follows:

•Alternately blinking amber light and blue light — An unauthenticated or unsupported non-Dell AC adapter is attached to your laptop.

•Alternately blinking amber light with steady blue light — Temporary battery failure with AC adapter present.

•Constantly blinking amber light — Fatal battery failure with AC adapter present.

•Light off — Battery in full charge mode with AC adapter present.

•Blue light on — Battery in charge mode with AC adapter present.

LED Error Codes

The following table shows the possible LED codes that may display when your computer is unable to complete a power on self test.

Diagnostic LED Error Description

HDD/ Battery Wireless

Storage

LED LED

LED

138