Ashwin Lewis
There are several ways to wake a computer from sleep mode remotely. One way is to use the Wake-on-LAN feature, which allows you to turn on your computer using its network connection. This can be done by sending a magic packet from another device, such as a phone or laptop. To use Wake-on-LAN, you may need to enable it in your computer's BIOS settings and configure your network card to recognize specific packet headers. Additionally, you can use remote access tools such as TeamViewer or NirSoft's WakeMeOnLan, which support Wake-on-LAN and allow you to wake up any sleeping PC connected to your account.
| Characteristics | Values |
|---|---|
| Method | Wake-on-LAN |
| How it works | Sends a "magic packet" to the sleeping computer |
| Requirements | Computer must be configured to autostart with Windows, no password protection, and support for Wake-on-LAN in BIOS |
| Tools | Chrome Remote Desktop, NirSoft's WakeMeOnLan, Depicus, Mocha WOL (iOS), Wake On Lan (Android), DD-WRT |
| Information Needed | MAC Address, IP Address or Domain Name, Subnet Mask, Port Number |
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What You'll Learn
Using Wake-on-LAN
Wake-on-LAN (WoL) is a computer networking standard that allows devices to be awakened from their sleep mode within the local area network (LAN). It is usually sent to a client computer connected to the same LAN in the form of "magic packets". These magic packets contain important information such as the target client's MAC address and network broadcast address.
To enable Wake-On-LAN on your computer, it should be connected to an ATX-compatible power supply, which has an extra +3.3V voltage rail. A voltage rail gives a device the ability to switch between alternating current and direct current power. Before you can use the feature, you'll need to enable Wake-on-LAN at the hardware level in the computer's BIOS. To do this, reboot your PC and press a key at the boot screen—usually Delete, F2, or some other function key. Once you enter the BIOS menu, look for the Wake-on-LAN option.
Wake-on-LAN can be used with a variety of tools, including NirSoft's WakeMeOnLan, Depicus, Mocha WOL (iOS), and Wake On Lan (Android). When using any of these tools, you'll need to enter four bits of information: MAC Address, IP Address or Domain Name, Subnet Mask, and Port Number. The tool can then send a "magic packet" with the correct information and—if you've configured everything correctly—your PC will wake up.
It's important to note that Wake-on-LAN is designed to wake up another computer on your network, so it won't be able to wake up computers on another network. Additionally, Wake-on-LAN will probably not work if your computer is behind a firewall. To get it to work, you need to have open ports in the company's firewall to let the message through and send it to your computer.
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Using a VPN
To set up port forwarding, access your router's configuration page and locate the port-forwarding screen. Here, you will need to forward ports to your computer's IP address. For example, if your PC's IP address is 192.168.1.123, you would enter 192.168.1.255 as the broadcast address. Some routers may not allow port forwarding, so you might need to find alternative methods to trick your router into allowing this.
Additionally, you may want to set up dynamic DNS on your router. This allows you to send a Wake-on-LAN packet to your router's dynamic DNS hostname, ensuring it reaches your computer even if your IP address changes. Having a consistent hostname also makes it easier to remotely access services on your PC.
Once port forwarding is set up, you need to configure your computer to always receive the "magic packet" or WoL packet. This involves ensuring that your router is always forwarding these packets to your computer on the specified port (usually Port 9).
With these steps completed, you should be able to use a VPN to connect to your home network and send a "magic packet" to wake up your sleeping computer. You can then use Steam's remote play feature to stream games from your home PC to your device, regardless of the network you are on, as long as there is a connection between the streaming IP and receiving IP.
It is important to note that leaving your computer in remote desktop mode or using remote play outside of a local network can potentially expose your machine to security risks, so proceed with caution.
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Using TeamViewer
TeamViewer is a powerful tool that allows you to remotely wake a computer from sleep mode and even provides full remote access and control capabilities. This can be achieved through the use of Wake-on-LAN (WoL) technology, which is built into TeamViewer Remote.
To use TeamViewer to wake a computer from sleep remotely, follow these steps:
- Launch TeamViewer on your computer.
- Navigate to the "Settings" icon in the left panel and click on it.
- Locate and click on "Account Assignment" under the "General" options, then click "Assign to account".
- Enter your TeamViewer account credentials and click "Assign".
- Click “Configure” next to Wake-on-LAN.
- Add the TeamViewer ID of a computer that is on the same local network and is always running. After entering the ID, click "Add" and then "OK".
- Navigate to the "Devices" section and select the target device you want to wake up.
- Select "One-click control" to quickly wake up the sleeping device.
- Enter your computer password to enable unattended remote access.
- Once your target device is in wake mode, you can use TeamViewer Remote to access and control it, including switching it back to sleep mode when you're done.
It's important to note that for Wake-on-LAN to work, the remote computer must have its WoL settings enabled. Additionally, the computer's network interface card (NIC) must be configured to receive "magic packets," which are small data signals that wake up the device.
TeamViewer provides a straightforward solution for managing and controlling devices you wish to wake up remotely, and with its Wake-on-LAN feature, you can easily reactivate sleeping computers from anywhere.
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Using NirSoft's WakeMeOnLan
To wake a computer from sleep mode remotely, you can use NirSoft's WakeMeOnLan tool. This is a third-party tool that allows you to wake up a computer on your network without displaying any user interface. It does this by sending a Wake-on-LAN (WoL) packet to the remote computer.
To use WakeMeOnLan, first, open the NirSoft download page and click the download link to save the app on your device. Extract the contents from the .zip folder with File Explorer. Open the folder with the extracted files, then double-click the WakeMeOnLan.exe file to launch the tool.
Once the tool is open, you can specify the computer name, IP address, or free user text that you typed in the properties window, as long as the computer information is stored inside the .cfg file. You can also specify the MAC address of the remote network card, even if the computer is not stored in the .cfg file.
If the computer you want to wake up is not stored in the .cfg file, you can go to Options -> Send The Wake-on-LAN Packet To... and choose one of the other methods to send the wake-up packet. WakeMeOnLan uses an internal MAC Addresses database to display the company name of every network adapter.
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Disabling the Only allow management stations option
Disabling the "Only allow management stations..." option is a crucial step in enabling the "Wake on pattern" functionality on your computer. This functionality allows the operating system to configure the network card to recognize specific packet headers, such as ARP queries or TCP SYN handshake packets. By disabling this option, you are no longer restricting wake-up commands to management stations, and your computer can be woken up by any connection attempts.
To disable the "Only allow management stations" option, you will need to access the settings of your network device. Here is a step-by-step guide to help you through the process:
- Open the Windows Device Manager: Go to your Control Panel and locate the Device Manager. This is where you will find the settings for your network device.
- Locate your network device: In the Device Manager, look for your network device in the list of hardware devices connected to your computer. It is usually listed under "Network Adapters."
- Access the properties: Right-click on your network device and select "Properties." This will open a new window with advanced settings for your network device.
- Navigate to the Advanced tab: In the Properties window, look for the Advanced tab and click on it. This tab contains more specific settings for your network device.
- Locate the "Wake on Magic Packet" setting: Under the Advanced tab, look for a setting called "Wake on Magic Packet" or "Wake on LAN." This setting allows your computer to be woken up by a specific type of network packet.
- Enable the setting: Once you have located the "Wake on Magic Packet" or "Wake on LAN" setting, make sure it is enabled. You may need to tick a box or select an option to enable it. This step might vary depending on your specific device and operating system.
- Save the changes: After enabling the setting, make sure to save any changes you have made. This could involve clicking an "Apply" or "OK" button within the Properties window.
By following these steps, you should have successfully disabled the "Only allow management stations" option and enabled the "Wake on pattern" functionality. This will allow your computer to be woken up remotely by recognizing specific network packets.
It is important to note that while disabling this option provides remote wake-up capabilities, it may also make your computer more susceptible to unwanted connection attempts and security risks. Ensure that you have appropriate security measures in place, such as strong passwords and updated security patches, to minimize potential risks.
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Frequently asked questions
You can use the Wake-on-LAN feature, which allows you to turn on your computer using its network connection. You can send a "magic packet" from your phone or laptop to wake up your PC. You will need to enter four bits of information: MAC address, IP address or domain name, subnet mask, and port number.
First, you need to enable Wake-on-LAN at the hardware level in the computer's BIOS. To do this, reboot your PC and press a specific key (usually Delete or F2) at the boot screen to access the BIOS menu. Then, locate the Wake-on-LAN option and toggle it to "Enabled".
There are several tools available that support Wake-on-LAN, including NirSoft's WakeMeOnLan, Depicus, Mocha WOL (iOS), and Wake On Lan (Android). Additionally, TeamViewer and Chrome Remote Desktop also support this feature.
Yes, there are a few limitations to consider. Firstly, the network card of the computer being woken up needs to support Wake-on-LAN, which is typically available on modern Ethernet adapters but not on wireless adapters. Additionally, some routers may not allow port forwarding, and there may be challenges with network latency when used outside of a LAN network.
