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7-4 User’s Manual
L550/L550D/L555/L555D
Keyboard
Wake-up on Keyboard
When this feature is enabled and the computer is in Sleep mode, you can
turn on the computer by pressing any key. It is effective only for the internal
keyboard and only when the computer is in Sleep mode.
USB
Legacy USB Support
Use this option to enable or disable USB Legacy Emulation. If your
operating system does not support USB, you can still use a USB mouse
and keyboard by setting the USB Legacy Emulation item to enabled.
LAN
Wake-up on LAN
This feature lets the computer’s power be turned on from shutdown when it
receives a wake-up packet (Magic packet) from the LAN.
For activating Wake-up on LAN from sleep or hibernation, you must check
the “Allow the device to wake the computer” check box within the LAN
Device properties. (This feature does not affect the Wake-up on LAN from
sleep or hibernation.)
Enabled Enables the Wake-up on Keyboard feature.
Disabled Disables the Wake-up on Keyboard function
(Default).
Enabled Enables the USB Legacy Emulation. (Default)
Disabled Disables the USB Legacy Emulation.
Enabled Enables Wake-up on LAN from shutdown.
Disabled Disables Wake-up on LAN. from shutdown.
(Default)
The Wake-up on LAN function consumes power even when the system is
off. Leave the AC adaptor connected while using this feature.
Do not install or remove an optional memory module while Wake-up on
LAN is enabled.