Checking the Status of the Notebook

The main status lights on the front of the notebook report power status, battery status, and hard disk activity.

Table 1-4. Main Status Lights (front of notebook)

Meaning

Power status

On: notebook is on (even if the display is off).

Blinking: notebook is in Standby mode.

Off: notebook is off or in Hibernation mode.

Hard disk drive activity

On: notebook is accessing the hard disk drive.

Battery status

Green: The AC adapter is connected and the battery is fully charged.

Amber: The AC adapter is connected and the battery is charging.

Blinking: The AC adapter is connected and the battery is missing or has a fault.

Off: The AC adapter is not connected.

The keyboard status lights, located above the keyboard, indicate the states of the keyboard locks.

Table 1-5. Keyboard Status Lights

Meaning

Caps Lock

Caps Lock is active.

Num Lock

Num Lock is active. (The Keypad Lock must also be on to use the embedded keypad.)

Keypad Lock

The embedded keypad is active (Fn+F8). Num Lock must also be on for the numeric keys; otherwise, cursor control is active (as marked on an external keyboard).

Service Manual

Product Information 1-19

2550CA, 2542EA, 2562AP, 2555AP, 2136AD specifications

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