Ashwin Lewis
TeamViewer is a useful tool for accessing files on a computer remotely, but it requires the computer to be powered on. If the computer is in sleep mode, TeamViewer offers a Wake-on-LAN (WoL) tool that can remotely wake up a sleeping computer by sending a magic packet over the network. WoL is a well-established networking protocol that has been in use since the 1990s and is supported on a wide range of operating systems and devices. To use WoL, the remote computer must have its WoL settings enabled, and the user must have access to the TeamViewer ID of a computer that is on the same local network and always running. With these capabilities, IT administrators can efficiently maintain, optimize, and update delocalized computers.
| Characteristics | Values |
|---|---|
| Can TeamViewer wake a sleeping computer? | Yes |
| What is this feature called? | Wake-on-LAN (WoL) |
| How does it work? | By sending a "magic packet" over the network |
| What is required for WoL to work? | The remote computer must have its WoL settings enabled |
| What port does WoL use? | UDP (User Datagram Protocol) port – usually ports 7 or 9 |
| Can the WoL packet be sent to a specific IP address? | Yes, but if not possible, the UDP port needs to be forwarded to all IP addresses behind the router |
| Can TeamViewer access a computer in sleep mode? | Yes, once the computer is in wake mode, TeamViewer can access and control it |
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What You'll Learn
TeamViewer can wake a sleeping computer
Yes, TeamViewer can wake a sleeping computer. This is made possible by a feature called Wake-on-LAN (WoL). WoL is a technology that allows a sleeping or powered-down computer to be remotely awakened by sending a "magic packet" over the network.
To wake a sleeping computer using TeamViewer, you need to first launch TeamViewer and locate the "Settings" icon in the left panel. Click on "Settings", then find "Account Assignment" under the "General" option and click "Assign to account". Enter your TeamViewer account credentials and click "Assign".
Next, 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 select "OK". Now, enable Wake-on-LAN in your computer's BIOS. When the computer starts, press any key you are prompted to enter BIOS setup. Open the Power tab, enable the Wake-on-LAN option, then save and exit the BIOS settings.
You can now wake a device from sleep mode from your device list. Just select the device and click "Wake". Alternatively, navigate to the Devices section and select the target device you want to wake up. Then select "One-click control" to quickly wake up the sleeping device.
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The computer must be connected to a network
When a computer is asleep, it enters a low-power state, and certain functions are limited or turned off to conserve energy. However, this doesn't mean that all network connectivity is lost. The behavior can vary depending on the operating system and power settings, but generally, a sleeping computer can remain connected to a network and continue to receive incoming connections and data. This is good news for remote access software like TeamViewer, which relies on an active network connection to function. Here's how the computer being connected to a network ensures seamless TeamViewer functionality, even when the system is asleep:
For TeamViewer to establish a successful connection between two devices, both the host (the computer being accessed) and the client (the computer accessing the host) need to be connected to a stable network. This network connection can be either wired or wireless, as long as it provides a stable and sufficiently fast link for data transfer. By keeping the host computer connected to the network, even during sleep, you ensure that it remains reachable and accessible for remote connections.
Most modern computers are designed to maintain their network connectivity while asleep. This is especially true for sleep modes such as "Sleep" or "Hybrid Sleep," where the computer can quickly resume full power operation when needed. In these states, the computer continues to draw a small amount of power to keep essential functions running, including the network adapter, allowing it to stay connected to the local network and the internet.
Now, let's discuss the specific case of TeamViewer and how it interacts with a sleeping computer: TeamViewer is a versatile remote access tool that can adapt to different connection scenarios. When you try to connect to a remote computer running TeamViewer, the software will first try to establish a direct connection between the two devices. If the host computer is asleep but still connected to the network, TeamViewer can often succeed in making a direct connection, provided the correct settings and configurations are in place.
To ensure successful connections to a sleeping computer, several factors come into play: Power Settings: The power settings of the host computer play a crucial role. Ensure that the computer is set to sleep or hibernate rather than shut down completely when idle. Network Adapter Settings: The network adapter settings should be configured to remain active during sleep. In some cases, you may need to adjust power management settings for the network adapter to ensure it doesn't turn off completely when the computer sleeps.
Additionally, having a static IP address or setting up Dynamic DNS (DDNS) can help ensure the remote computer is consistently reachable, regardless of whether it's asleep or active. Wake-on-LAN (WoL): Enabling WoL on the host computer allows it to be woken up remotely by sending a special network packet. While this doesn't directly relate to maintaining a connection while the computer is asleep, it provides an alternative method to establish a connection when needed.
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The new interface of TeamViewer can be difficult to operate
TeamViewer's new interface has been met with criticism from users, with many reporting that it is difficult to operate and navigate. The new interface, intended to be user-friendly, intuitive, and well-structured, has instead added complexity to the user experience.
One of the main issues reported by users is the challenge of connecting to devices. In the previous version, users could attempt to connect to devices in "Standby Mode," but with the new interface, users can only connect to 'online devices'. This limitation has caused frustration, especially when trying to provide remote support or access devices that are not always online.
The new interface also appears to have impacted performance, with reports of frozen screens when sending files. The process of sending multiple collections of files has become more cumbersome, as users cannot queue up the next set of files while the first set is being transferred. This has negatively affected productivity, particularly for those who regularly send large amounts of data.
Additionally, the new interface has made it more challenging for users to access their IDs, which is essential for receiving support. This change has been viewed as a push to sell low-quality TV accounts, further frustrating users who already have to navigate a complicated interface.
The design of the new interface has also been called into question, with users describing it as "convoluted" and "electronization of GUIs." The interface features large fonts, excessive empty spaces, and a significant amount of scrolling within small windows, detracting from a seamless user experience.
Some users have opted to switch to alternative software, such as Supremo and AnyViewer, in search of simpler and more direct interfaces that are easier to operate and navigate.
TeamViewer has provided resources to help users adapt to the new interface, including a dedicated Knowledge Base with articles and videos explaining the changes. However, the negative feedback highlights the need for TeamViewer to address these issues and consider user feedback to improve the interface's functionality and usability.
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The remote computer must have WoL settings enabled
To enable TeamViewer to wake up a sleeping computer, you must first enable Wake-on-LAN (WoL) on the remote computer. WoL allows you to turn on a computer via its network connection, even when it is in sleep mode.
To enable WoL, you need to access the computer's Basic Input Output System (BIOS) or Unified Extensible Firmware Interface (UEFI) settings. This can be done by rebooting the computer and pressing a specific key during the boot-up process, such as Esc, Delete, F1, F2, F8, or F10. Once in the BIOS/UEFI menu, look for the “Power” or “Sleep and Wake” settings, where you can enable WoL. It is important to note that the option to enable WoL may vary depending on the BIOS manufacturer and PC specifications.
After enabling WoL in the BIOS/UEFI, you may also need to configure your network adapter or network card settings. In Windows, this can be done by going to "Control Panel" > "System and Security" > "Device Manager" > "Network Adapters," and then enabling the "Allow this device to wake the computer" option in the "Power Management" tab. Additionally, ensure that the network card is configured to always receive power.
Once WoL is enabled and configured on the remote computer, you can use TeamViewer's Wake Up feature to remotely wake up the sleeping PC connected to your TeamViewer account. Alternatively, you can use third-party tools, such as NirSoft's WakeMeOnLan, to send a "magic packet" to the remote computer's MAC address, initiating a wake-up.
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Technicians can deploy WoL to wake endpoints on-demand
Wake-on-LAN (WoL) is a networking protocol that allows technicians to wake up computers within a local network (LAN) from a low-power mode. This is particularly useful for remote maintenance and can save time and money by removing the need for IT admins to be physically present to run day-to-day tasks.
Technicians can deploy WoL to wake up specific endpoints on demand by following these steps:
Firstly, ensure that the computer is not in shutdown mode. WoL will only work when the computer is asleep, and some computers may support waking from hibernation or a powered-off state. The specific requirements to enable WoL on a device include an ATX-compatible power supply with an extra +3.3V voltage rail, and a network interface card that is WoL-enabled.
Next, enable WoL in the Basic Input Output System (BIOS) or Unified Extensible Firmware Interface (UEFI) on supported hardware. The specific steps to do this may vary depending on the manufacturer, so it is recommended to refer to the device support page for detailed instructions.
Once WoL is enabled in the firmware, configure the network settings. Open Settings, click on Network & Internet, and then on Status. Under the "Advanced network settings" section, click on "Change adapter options". Right-click on the active network adapter, select Properties, then click on the Networking tab followed by the Configure button. Click on the Advanced tab and select the "Wake on Magic Packet" option, then use the Value drop-down menu to select "Enabled".
Finally, to wake up a computer using WoL, a "magic packet" is sent over the local network. This is a standard wake-up frame that contains important information such as the target computer's MAC address and network broadcast address. Third-party tools can be used to send this magic packet and wake up the remote computer.
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Frequently asked questions
Yes, TeamViewer can be used to wake up a sleeping computer. This is done using a feature called Wake-on-LAN (WoL).
Wake-on-LAN is a technology that allows a sleeping or powered-down computer to be remotely awakened by sending a "magic packet" over the network.
To use Wake-on-LAN, you need to enable WoL settings on the target device. Then, forward the WoL packet to the target device's IP address. If this is not possible, forward the UDP port to all IP addresses behind your router.
Wake-on-LAN is supported on a wide range of operating systems and devices. It gives you full control of the target device, including the ability to switch it back to sleep mode.
