Here are some steps you can take to troubleshoot issues when
trying to wake a Mac.
The computer you are
trying to wake up must be on a wired connection (not on WiFi)
A second LogMeIn host
computer must be switched on and in the same network in order to send the wake
Important: Make sure you are using up
to date, officially supported third-party technology together with LogMeIn. LogMeIn
is designed for use with third-party
products and services (browser, OS, etc.) that are officially supported by
their respective vendors and well-maintained by the end user (latest patches
and updates installed).
First, confirm that you meet the hardware requirements for
using Wake on LAN:
Confirm that the
computer is on a wired network (not WiFi). Wake On LAN is not supported for Mac
hosts on a wireless network.
Make sure the host is in
Stand-by, sleep, or hibernation (ACPI specification S3 or S4) mode.
You cannot wake a Mac
that is powered off.
Adjust the Power Management settings in a System Configuration
Check the Power Management settings on the Mac you want to
SystemConfiguration by going to
Go to folder and typing
Open the following file:
<integer> Wake On LAN </integer>
value to 1 for the following
<key> AC Power </key>
<key> Battery Power </key>
<key> UPS Power </key>
Restart the Mac.
Wake On LAN should be available.
Adjust the Power Management settings in Terminal
Terminal by going to
Go > Utilities
and double-clicking on
Terminal window is displayed.
pmset -g live.
A table with settings and values is displayed.
Look for the value
womp and verify that it is set to
If it is not set to 1, you can set it with the command
sudo pmset -a womp 1.
Further Resources and Information
Make sure the host is in Stand-by, sleep, or hibernation (ACPI
specification S3 or S4). You cannot wake a Mac that is powered off.
ACPI (Advanced Configuration and Power Interface) standards:
S0 – System is fully
S1 – Power on
Suspend(POS): Power to the CPU and RAM is maintained.
S2 – CPU powered off.
S3 – Standby, Sleep or
Suspend: RAM still has power
S4 – Hibernation: Memory
is saved to the hard drive and the system is powered down.
S5 – Shut Down: The
power supply still supplies power to the power button.