Gina Johnson
Waking up and putting a computer to sleep remotely is a handy feature that can be useful in many home and business networking scenarios. This can be achieved by enabling Wake-on-LAN (WoL) through a setting in the computer's BIOS. When WoL is enabled, the computer goes to sleep instead of completely powering off. While it's sleeping, it listens to the Ethernet port for a magic packet to tell it to wake up and power on. There are many free utilities available for sending these magic packets, such as Wake On LAN GUI from Depicus, and WOL Magic Packets Widget for Android.
How to Remotely Wake Up and Sleep
| Characteristics | Values |
|---|---|
| Computer Status | The computer should be in sleep mode or hibernation, not completely powered off |
| Router Configuration | Router must be configured to forward Magic Packets to the computer's IP address |
| Magic Packet | A Magic Packet must be sent to the computer's MAC address to wake it up |
| Wake-on-LAN | Enable Wake-on-LAN in the computer's BIOS or UEFI settings |
| Dynamic DNS | Set up dynamic DNS on the router to accommodate IP address changes |
| Remote Access Programs | Use remote access programs like TeamViewer or Parallels Access with built-in Wake-on-LAN support |
| Power Management | Ensure power-saving options are disabled to prevent the computer from turning off to save power |
| Fast Startup | Disable Fast Startup in Windows as it can interfere with Wake-on-LAN |
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What You'll Learn
Utilising Wake-on-LAN to wake up your computer
Wake-on-LAN (WoL) is a feature that allows you to remotely wake up your computer from sleep mode or even from a powered-off state. This is especially useful if you need to access files or apps on your computer but don't want to leave it on all the time, minimising power usage. Here is a step-by-step guide on how to utilise Wake-on-LAN to wake up your Windows 10 PC:
First, check if your computer supports Wake-on-LAN. Pretty much any modern Ethernet adapter will support it, but wireless adapters rarely do. Check your computer's documentation or BIOS to see if it supports "Wake-on-Wireless-LAN" or "Wake-on-WLAN". If you're using a wireless adapter, you will likely need to connect your computer to an Ethernet cable.
Next, enable Wake-on-LAN on your computer. To do this, you will need to access the BIOS settings. Reboot your PC and press the appropriate key at the boot screen (usually Delete, F2, or another function key). Once in the BIOS, enable the Wake-on-LAN feature.
Now, you will need to enable Wake-on-LAN on the OS side. On Windows, click the Start menu, search for "Device Manager", and launch it. Find the "Network Adapters" section, expand it, and right-click on your Ethernet adapter. Select "Properties", then click on the "Advanced" tab. Ensure that "Wake on Magic Packet" is set to "Enabled". Next, click on the "Power Management" tab and check the boxes for "Allow this device to wake the computer" and "Only allow a magic packet to wake the computer".
Finally, to wake up your computer over the network, you will need a Wake-on-LAN app on another device, such as a phone or laptop. There are many free and paid options available, such as WakeMeOnLan or TeamViewer. You will need to know the MAC address of your computer, which you can find by browsing your router's status page when the computer is connected to the network. Open the Wake-on-LAN app, enter the MAC address, and send the "magic packet" to wake up your computer.
Note that some computers may only support Wake-on-LAN from sleep mode, while others may allow it to wake up from a powered-off state. Additionally, you may need to tweak the power options in the BIOS or Windows Control Panel to ensure Wake-on-LAN works properly.
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Sending a magic packet to wake up your PC
To wake your computer from sleep or hibernation using another computer or mobile device, you can send a magic packet. This is a unique signal that can turn on a computer from a low-power state.
To send a magic packet, you will need to know the MAC address of your computer. You can find this by browsing your router's status page when the computer is connected to the network. You will also need the IP address of your computer.
There are several ways to send a magic packet. You can use third-party tools, such as the "WakeMeOnLan" tool from NirSoft, or an app called "WOL" on iOS. You can also use the Wake On LAN Tool as part of the Free Windows Tools from ManageEngine.
To use the Wake On LAN Tool, first, download the tool and run the program. Then, accept the license agreement and click "Next" to install and launch the program. Click the "Wake On LAN" icon from the list of free Windows tools. Choose "Add Computers" and type your computer's MAC address and its IP address and subnet mask. Select "OK" to add the computer and click the "Wake Up" button to send the magic packet.
If you are using an Android device, you can use the WOL Magic Packets widget app. Simply enter the MAC address and IP address of your computer, and click "Send" to wake up your PC.
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Using a mobile device to wake up your computer
To wake up your computer using a mobile device, you will need to use a feature called Wake-on-LAN (WoL). WoL allows you to turn on your computer using its network connection, so you can start it up from anywhere with the tap of a button.
To set up WoL, your computer must support the feature. WoL is a feature of the motherboard, and you can check if your computer supports it by booting into the BIOS and checking the power management settings. To enter the BIOS, press a specific key at boot (try ESC, DEL, F2, or F8). Once inside the BIOS, look for the Wake On LAN setting and enable it.
After enabling WoL in the BIOS, you will need to set it up on the operating system side. On Windows, click the Start menu, search for "Device Manager," and launch it. Find the "Network Adapters" section, right-click on your Ethernet adapter and select "Properties." Click on the Advanced tab, then scroll down to "Wake On Magic Packet" and ensure it is enabled.
Now, you can download a WoL app on your mobile device. For iOS, you can use Mocha WOL, and for Android, you can use Wake On Lan. Set up the app by selecting the correct Wi-Fi network and adding your computer to the app. Place your computer in Sleep or Hibernate mode and press the Wake button on the app.
If you are using WoL from outside your local network, you may need to set up port forwarding and configure your router. Additionally, WoL may not work if your computer has been sleeping for an extended period.
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Configuring your router to forward magic packets
To configure your router to forward magic packets, you need to ensure that your computer is set up to receive a magic packet on Port 9. This is because your router needs to be configured to always forward magic packets on Port 9 to your computer.
Firstly, check if your router supports this type of port forwarding. Not all routers will support this. Then, you need to ensure that your computer always has the same IP address. This is because, if your computer is switched off, it cannot be considered to have an IP address, and the router cannot be configured to forward to a particular IP address. Instead, it has to broadcast the magic packet to all IP addresses.
You can set up your computer to have a static IP address on your local network. This way, the router can find the MAC address as the NIC will still be powered. You can find your computer's MAC address by browsing your router's status page when the computer is connected to the network.
You can also set up a route or packet relay server from your subdomain. This way, you can set your router to whitelist a specific machine on the outside for port forwarding designated to perform the Wake-on-LAN (WOL).
To send a magic packet, you will need to know the MAC address of your computer. You can then use a WOL utility to send the magic packet.
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Using TeamViewer to wake up your computer
TeamViewer is a useful tool that can be used to wake up your computer remotely. It is completely free for non-commercial use and allows you to connect to your PC from a variety of operating systems such as Windows, macOS, and Linux. It also has mobile device support, so you can access your PC from your phone.
To use TeamViewer to wake up your computer, you will need to enable Wake-on-LAN (WoL) through your computer's BIOS settings. This will put your computer into sleep mode instead of completely powering it off. While it's sleeping, it will listen to the Ethernet port for a "magic packet" to tell it to wake up and power on.
To send the magic packet, you will need to know the MAC address of your computer's network card, as well as its IP address and subnet mask. You can enter this information into TeamViewer's Wake-on-LAN options to wake up your computer. Alternatively, if your computer has a public IP address, you can use TeamViewer Remote to wake it up directly.
For computers without a public IP address, such as non-internet-enabled point-of-sale equipment or industrial devices, you can still use TeamViewer to wake them up. Simply send a message via another computer on the same network that has TeamViewer installed and configured. Once your target device is in wake mode, TeamViewer Remote gives you full control, including the ability to switch it back to sleep mode when you're done.
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Frequently asked questions
To wake up your computer remotely, you need to enable Wake-on-LAN (WoL) in your computer's BIOS or UEFI settings. You can then use a Wake-on-LAN tool to send a "magic packet" to your computer, which will wake it up.
To send a magic packet, you will need to know your computer's MAC address, IP address, and subnet mask.
You can find your computer's MAC address by browsing your router's status page when the computer is connected to the network.
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