Colin Snow
Remote Desktop Protocol (RDP) is a useful feature that allows users to access a computer remotely. However, it can be frustrating when the target computer is in sleep mode. While RDP does not support this by default, there are several methods to wake up a sleeping computer. One common approach is to use Wake-on-LAN (WoL), which sends a magic packet to the target computer, enabling remote access. This can be done via a separate app or by enabling WoL in the computer's BIOS settings. Additionally, ensuring the correct power settings are configured can help, such as disabling hibernation and adjusting power buttons and sleep settings. While these methods can be effective, they may not work in all scenarios, and further troubleshooting may be required.
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What You'll Learn
Using Wake-on-LAN to wake up a sleeping computer
Wake-on-LAN (WoL) is a feature that allows you to wake up a sleeping computer from a low-power state using a network connection. This can be done from anywhere in your house, or even remotely over the internet. Here's a step-by-step guide on how to set up and use Wake-on-LAN:
Step 1: Check Hardware Compatibility
Firstly, ensure that your computer's hardware supports Wake-on-LAN. This feature is supported by Windows, macOS (Intel chips only), and Linux devices. Check your hardware manufacturer's specifications to confirm compatibility.
Step 2: Enable Wake-on-LAN in BIOS/UEFI
To enable Wake-on-LAN at the hardware level, you need to access your computer's BIOS/UEFI settings. Typically, you can enter these settings by rebooting your PC and pressing a specific key during the boot-up process, such as Delete, F2, or another function key. Look for the Wake-on-LAN option within the Power Management menu and enable it.
Step 3: Configure Network Adapter Settings
On Windows, go to the Device Manager and find the Network Adapters section. Right-click on your Ethernet adapter and select Properties. In the Advanced tab, look for the "Wake on Magic Packet" or a similar setting and ensure it is enabled.
Step 4: Install a Wake-on-LAN App
To wake up your computer remotely, install a Wake-on-LAN app on another device, such as your phone or laptop. There are various Wake-on-LAN apps available that can send a "magic packet" to wake up your sleeping computer.
Step 5: Configure Port Forwarding (For Remote Wake-up)
If you want to wake up your computer over the internet, you may need to configure port forwarding on your router. Forward a specific port to the port 9 (or another designated port) on your PC. Additionally, ensure that your firewall settings allow Wake-on-LAN packets.
Step 6: Wake Up Your Computer
Now, whenever your computer goes to sleep, you can use the Wake-on-LAN app on your device to send a wake-up signal. Simply open the app, enter the required details (such as the public IP address of your router, the port number, and the MAC address of your PC), and initiate the wake-up process.
Remember that Wake-on-LAN is designed to work within the same network. Waking up a computer on a different network (e.g., outside your home network) may require additional configurations or workarounds. Always ensure that you understand the risks and implications of any changes you make to your system settings.
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RDP access and the wake-up process
Remote Desktop Protocol (RDP) is a useful feature for Windows users, allowing them to access their computers remotely. However, it can be frustrating when a computer is asleep, as a tentative RDP access will not wake it. This is because Remote Desktop does not have any built-in remote wake-up capability.
To enable RDP access to a sleeping computer, you will first need to wake up the sleeping computer using Wake-on-Lan (WoL). There are a few ways to do this. One method is to use a separate WoL program, port forwarding only for the magic packet, and a VPN for RDP access. This method, however, may not be ideal as it opens up your system to potential security risks. Another way is to use a Wake-on-Lan app on your phone. You will need to redirect a port on your router to port 9 on the PC. Then, using the public IP address of the router, the port number, and the MAC address of the PC, you can wake it up.
In the BIOS settings of your computer, you can also enable Wake-on-Lan. To do this, open the Device Manager, expand Network Adapters, find your Ethernet Card, and enable "Wake on Magic Packet" or something similar. With this enabled, you can then use RDP to access your computer.
It is important to note that Windows does not allow for specific wake patterns. This means that your computer will wake up for any connection attempt, not just RDP. This can be a problem if you want your computer to stay asleep unless you are trying to access it remotely. Additionally, if your computer has been asleep for too long (for example, 48 hours), it may not be possible to wake it up from the internet, though it can still be done from a Local Area Network (LAN).
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Changing power options in BIOS
The BIOS (Basic Input/Output System) is a crucial component of a computer, responsible for initializing hardware and providing a runtime environment for the operating system. While it's not necessary to change power options in the BIOS, doing so can offer more control over the computer's power management. Here are the steps and considerations for changing power options in the BIOS:
- Understanding the BIOS Power Options: The power options available in the BIOS can vary depending on the motherboard and computer model. Common power-related settings include ACPI (Advanced Configuration and Power Interface) configurations, standby and hibernation modes, and wake-up options.
- Disabling Windows Power Management: If you're using a Windows operating system, it's recommended to disable power management in the BIOS. Windows has its own built-in power management, and having two conflicting power management systems can lead to improper behavior during shutdown, standby, or hibernation.
- ACPI Settings: ACPI is a standard that defines how a computer manages power consumption and device configuration. ACPI offers various modes, such as S1 (POS) mode, which allows for a quick sleep/wake cycle, and S3 (STR) mode, which saves more power during standby but requires ACPI-compliant devices.
- Wake-On-LAN (WoL): WoL is a useful feature that allows you to remotely wake up your computer over a local network or the internet. To enable WoL, you need to configure the BIOS and network card settings. Additionally, you may need to set up port forwarding and use a Wake-On-LAN app or "magic packet" to initiate the wake-up process.
- Display Power Management: The BIOS may offer options to manage the display's power, such as DPMS (Display Power Management System), which allows the BIOS to control the video display card if it supports DPMS. Alternatively, you can simply choose to blank the screen or use the V/H SYNC Blank option, which turns off vertical and horizontal scanning.
- Hard Drive Power Management: The BIOS may provide an "HDD Down In Suspend" feature that automatically shuts down the hard drive when the computer enters suspend mode. This can be useful for conserving power and reducing unnecessary hard drive activity.
- PWR Button Settings: By default, most ATX computers will power off if the power button is held for more than four seconds. In the BIOS, you can configure what happens when the power button is pressed for less than four seconds, such as powering off the system or entering suspend mode.
- Advanced Power Tweaks: For advanced users, there are additional power configuration options available through the Windows command line. For example, you can create a batch file to disable hibernation and put your PC to sleep using specific commands.
Remember that changing BIOS settings should be done carefully, as incorrect configurations can impact your computer's functionality. Always refer to your motherboard's documentation or seek advice from reliable sources or forums if you're unsure about a specific power option in the BIOS.
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Disabling hibernation mode
To disable hibernation mode through the Command Prompt, follow these steps:
- Press the Windows button on your keyboard to open the Start menu.
- Search for "cmd" and right-click on Command Prompt.
- Select "Run as Administrator".
- Type "powercfg.exe /hibernate off" and press Enter.
- Type "exit" and press Enter to close the Command Prompt window.
Alternatively, you can disable hibernation mode through the Power Options in the Control Panel:
- Open the Control Panel.
- Click or double-click the Power Options icon.
- In the Power Options window, click the "Change plan settings" link for your current power plan.
- In the Edit Plan Settings window, click the "Change advanced power settings" link.
- In the Power Options window, expand the Sleep section, then the "Allow hybrid sleep" option.
- Change the Setting to Off.
- Click "OK" to save the setting change.
It is important to note that disabling hibernation on a laptop is not recommended, as hibernation is essential for safely saving the system state when the laptop's battery loses charge. Instead, users can disable Fast Startup and Hybrid Sleep, which are two aspects of hibernation that may cause issues.
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Remote desktop connection tools
There are several remote desktop connection tools available, each with its own unique features and use cases. Here are some of the most popular ones:
Remote Desktop Connection Manager (RDCMan): This tool is offered by Microsoft and is useful for managing multiple remote desktop connections. It allows users to organize servers into named groups, connect or disconnect to all servers in a group with a single command, and view live server sessions as thumbnails. RDCMan also supports customizable hotkeys and connection speed options.
Remote Desktop Manager (RDM): Devolutions' RDM is a centralized platform that integrates with other remote access tools like TeamViewer and AnyDesk. It offers robust credential management, allowing users to securely store and manage login credentials for different systems. RDM also includes an activity log for detailed record-keeping and reporting. It is available on Windows, macOS, Linux, iOS, and Android.
Chrome Remote Desktop: This is a free remote access program available as a browser extension for Google Chrome. It offers excellent performance and accessibility, allowing users to access remote desktops on Windows, Mac, and Linux. While the mobile app has limited functionality, it still provides a decent way to access a desktop remotely.
AnyDesk: AnyDesk is a user-friendly and affordable remote desktop solution. It is ideal for occasional remote access and smaller businesses that do not require all the advanced features of more comprehensive tools. AnyDesk offers a free edition, making it a cost-effective option.
Parallels Access: This tool is designed specifically for remote computer access from mobile devices, although it also supports computer-to-computer connections. Parallels Access stands out for its tidy user interface, which presents an optimized view of the remote desktop on a mobile device.
Remote Utilities for Windows: This is another affordable remote desktop connection manager for Windows computers. It includes features such as file transfer, video calls, and session recording. A free technician license allows access to up to 10 remote computers, while an enterprise-level license supports unlimited users.
In addition to these tools, it is worth noting that Windows, Linux, and Android systems have built-in remote desktop connection capabilities, such as RDP (Remote Desktop Protocol) in Windows, which can be used to wake up and access sleeping computers over a network. However, this may require specific configurations and additional software.
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Frequently asked questions
No, you will need to wake your PC up first. You can do this by enabling Wake-on-LAN and sending a 'magic packet' from your phone or laptop.
First, check that your network card supports Wake-on-LAN. Then, enable it in your computer's BIOS. You can access the BIOS by rebooting your PC and pressing a function key at the boot screen.
You can use a Wake-on-LAN app on your phone or laptop. You will need to know the public IP address of your router, the port number, and the MAC address of your PC.
Yes, but your PC will need to be connected to the internet via Ethernet.
You can try disabling your computer's fast startup feature, or hibernation mode. You can also try enabling Remote Desktop remotely and restarting your machine.
