Colin Snow
TeamViewer is a software that can be used to wake a Windows 10 computer from sleep remotely. This feature is called Wake-on-LAN (WoL) and it allows users to power up computers from anywhere. However, there have been some issues reported with TeamViewer preventing Windows 10 computers from sleeping, which were caused by wake timers in the application.
How to Wake Windows 10 from Sleep Using TeamViewer
| Characteristics | Values |
|---|---|
| TeamViewer version | 10.0.45471 |
| Older alternative version | 10.0.43879 |
| Feature | Wake-on-LAN (WoL) |
| Compatibility | Windows 10 |
| Requirements | Computer must meet certain configuration requirements |
| NIC | Must be configured to be supplied with power and capable of receiving broadcasted magic packets |
| WoL settings | Must be enabled on the remote computer |
| WoL in BIOS | Terminologies include PCI Power up, Allow PCI wake up event, Boot from PCI/PCI-E |
| WoL values | Define what activity triggers wake up: d (disabled), p (PHY activity), u (unicast activity), m (multicast activity), b (broadcast activity), a (ARP activity), and g (magic packet activity) |
| Wake-up method | Select the device and click "Wake" |
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What You'll Learn
TeamViewer can wake a Windows 10 computer from sleep
Assuming you want to use TeamViewer, here are the steps to wake a Windows 10 computer from sleep:
- Launch TeamViewer on your computer.
- Locate the "Settings" icon in the left panel and click on it.
- Find "Account Assignment" under the "General" option and click "Assign to account".
- Enter your TeamViewer account credentials and click "Assign".
- Click “Configure” next to Wake-on-LAN (WoL). WoL is a technology that allows a powered-down or sleeping computer to be remotely awakened by sending a "magic packet" over the network.
- 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 select "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.
- You can now wake the device from sleep mode by selecting it from your device list and clicking "Wake".
Note that for Wake-on-LAN to work, the remote computer must have its WoL settings enabled, and the computer's network interface card (NIC) must be configured to receive the magic packet. Additionally, the BIOS settings may need to be adjusted to enable WoL, and the specific method for opening BIOS can vary depending on the device.
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Wake-on-LAN (WoL) feature in TeamViewer
The Wake-on-LAN (WoL) feature in TeamViewer allows users to power up computers remotely. It is a computer industry-standard protocol that has been in use since the 1990s, enabling the remote reactivation of a computer from a low-power or powered-down mode. TeamViewer Remote comes with built-in Wake-on-LAN support, making it convenient to maintain machines even when they are turned off, in sleep mode, or in hibernation mode.
To utilise the Wake-on-LAN feature effectively, the remote computer must have its WoL settings enabled. This ensures that the device's network interface card (NIC) remains receptive to communications in standby mode, even when the rest of the computer is powered down. The Wake-on-LAN software then broadcasts a small data signal, known as a "magic packet," to the NIC of the target device, allowing it to be powered back up.
TeamViewer's WoL function offers several benefits. It enables employees to remotely reactivate machines, transfer files from their office computers while working remotely, or perform critical updates on remote devices. Additionally, it helps eliminate the need for physical interventions, saving time and costs associated with on-site visits.
To configure Wake-on-LAN with TeamViewer, follow these general steps:
- Start by opening the TeamViewer application on the computer.
- Navigate to the main menu and click on "Extras" or "Options".
- Select the “General” category from the options presented.
- Under "Network settings," locate and click on "Wake-on-LAN".
- Depending on your setup, choose either the “Public address” option or the "TeamViewer IDs within your network" option.
- If you select the "Public address" option, enter the fixed IP address or DNS name of the computer, along with the UDP port (default is 9).
- Alternatively, if you choose the "TeamViewer IDs within your network" option, enter the TeamViewer ID of the target computer within your network.
- Save the configurations, and you should now be able to wake up the computer remotely using TeamViewer.
Note that for Wake-on-LAN to work, certain configuration requirements must be met by the target computer. Additionally, it is important to ensure that the computer is connected to a power source, has a network card that supports Wake-on-LAN, and is connected to the Internet via a network cable.
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Enable WoL settings on the target device
To enable Wake-on-LAN (WoL) settings on the target Windows 10 device, follow these steps:
First, check if your device supports WoL. Open the Windows Device Manager, locate your network device in the list, right-click it, and select Properties. Click on the Advanced tab and look for "Wake on LAN" or "Wake on Magic Packet" in the list. If you don't see these options, your network card may not support WoL.
If your device supports WoL, you can proceed to enable the feature. In the Properties menu, ensure that "Wake on LAN" or "Wake on Magic Packet" is enabled. If not, change the value to "Enabled" and click OK to save the changes.
Next, you need to configure TeamViewer to work with WoL. Open TeamViewer and go to Extras > Options. In the Options dialog box, select the General category. Under Network settings, click on Wake-on-LAN and then click the Configure button.
Here, you have two options:
- TeamViewer IDs within your network: Select this option if you want to wake the target device from another device within the same local network. Enter the TeamViewer ID of the target device and click Add.
- Public address: Select this option if you want to wake the target device from outside your local network. Enter the fixed IP address or DNS name of the target device, as well as the UDP port (the default is 9).
Depending on your choice, you may need to set up port forwarding on your router. If you selected the "TeamViewer IDs within your network" option, you can skip this step. However, if you chose the "Public address" option, you will need to configure port forwarding on your router to ensure the device is publicly reachable.
Finally, test the WoL settings by trying to wake the target device remotely. Ensure that the device is connected to a power source, has an internet connection, and is in a supported power state (such as shut down or hibernate mode). Initiate the wake-up process from another device using TeamViewer, and the target device should power on.
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Configure the NIC of the target device
To configure the NIC (Network Interface Card) of the target device, ensure that it is supplied with power and is capable of receiving "magic packets". The magic packet is a small data signal that is designed to be processed quickly and easily by the NIC, using very little power. It contains a header and the target device's MAC (media-access-control) address, which is a unique identifier assigned to each NIC.
The specific steps to configure the NIC will depend on the type of card and operating system. For Windows devices, you may need to configure the device's BIOS (Basic Input/Output System) to enable the WoL (Wake-on-LAN) feature. Look for terms like "PCI Power up", "Allow PCI wake-up event", or "Boot from PCI/PCI-E" in the BIOS settings.
Additionally, you can query whether WoL is enabled on the network adapter by installing ethtool and using the appropriate command. The "Wake-on" values define what activity triggers the device to wake up, with options including "d" (disabled), "p" (PHY activity), "u" (unicast activity), "m" (multicast activity), "b" (broadcast activity), "a" (ARP activity), and "g" (magic packet activity).
Refer to the device instructions and the motherboard manual to ensure that the NIC is properly configured for WoL and that the hardware supports this feature.
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Use an older version of TeamViewer
If you are using Windows 10 and notice that your computer is waking up from sleep mode randomly, between 5 minutes and an hour after being put into sleep mode, it may be because of the TeamViewer app. This issue has been observed by several users who had installed the latest version of TeamViewer (version 10.0.45471).
To resolve this issue, you can use an older version of TeamViewer. Here are the steps you can follow:
- Uninstall the latest version of TeamViewer: Go to the Control Panel on your Windows 10 PC, and then go to "Programs and Features". Find TeamViewer in the list of installed programs and uninstall it.
- Download an older version of TeamViewer: Visit the TeamViewer website and navigate to the download section. Locate and download an older version, such as version 10.0.43879 or 10.0.45862.
- Install the older version of TeamViewer: Once the download is complete, run the installer and follow the installation process.
- Disable automatic updates: In the TeamViewer options, disable automatic updates to prevent the app from updating to the latest version, which may cause the sleep mode issue again.
- Test the new setup: After installing the older version of TeamViewer, test if your computer stays in sleep mode as expected. Put your computer into sleep mode and observe if it wakes up unexpectedly.
By following these steps and using an older version of TeamViewer, you can prevent your Windows 10 computer from randomly waking up from sleep mode. This workaround can be used until the latest version of TeamViewer addresses the sleep mode issue. Remember to disable automatic updates to avoid unintentionally updating to the problematic version.
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Frequently asked questions
You can use the Wake-on-LAN (WoL) feature to wake a Windows 10 computer from sleep mode using TeamViewer. First, launch TeamViewer and go to Settings. Then, click on "Account Assignment" under the "General" option and assign your TeamViewer account. Next, click "Configure" next to Wake-on-LAN and add the TeamViewer ID of the computer you want to wake up. Finally, select the device and click "Wake".
To use Wake-on-LAN, the remote computer must have its WoL settings enabled. This means that the computer's network interface card (NIC) must be supplied with power and be capable of receiving "magic packets" while the rest of the device is in a low-power state. Additionally, check if your motherboard supports Wake-on-LAN and enable the feature in the BIOS if it is not already enabled.
An older version of TeamViewer (10.0.45471) had a bug where it would constantly wake up the computer due to wake timers. If you are using this version, uninstall it and install an older version such as 10.0.43879.
