Colin Snow
Windows 10 has a feature called Modern Standby that allows laptops to function similarly to smartphones by keeping certain functions of the device operational while in sleep mode. However, this can cause the device to wake up unexpectedly. To prevent this, users can disable Modern Standby, update device drivers, disable hibernation, or adjust power settings. Additionally, devices such as the keyboard, mouse, or network adapter can be configured to wake up the PC, and scheduled tasks or applications can also trigger wake-up events. To identify the specific cause, users can utilise tools like the Command Prompt or Event Viewer to review recent wake-up events and adjust settings accordingly.
Characteristics and Values
| Characteristics | Values |
|---|---|
| Keyboard | Can be a reason for the computer to wake up from sleep mode. |
| Mouse | Can be a reason for the computer to wake up from sleep mode. |
| Network Adapter | Can be a reason for the computer to wake up from sleep mode. |
| Modern Standby | A feature that keeps certain functions of the device operative during sleep mode. |
| Fast Startup | A feature that helps the computer restart faster but can interfere with sleep mode. |
| Hibernation | A power-saving mode that can interfere with sleep mode. |
| Windows Update | Can cause unwanted wakeups. |
| Scheduled Tasks | Certain tasks or applications can wake the PC automatically. |
| Wake Timers | Can be disabled to prevent the PC from waking up. |
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What You'll Learn
Keyboard, mouse, or network adapter
If your Windows 10 PC wakes up from sleep mode by itself, it could be because one or more devices are configured to do so. This includes your keyboard, mouse, or network adapter.
To check which device last woke your Windows 10 PC, open the Start menu, search for "cmd", right-click on the Command Prompt entry, and choose "Run as Administrator". In the Command Prompt window, run the following command:
> powercfg –lastwake
This will show you which device last woke your computer. To see all the devices that are able to wake your computer from sleep mode, run the following command:
> powercfg -devicequery wake_armed
If you want to prevent your keyboard or mouse from waking your PC, you can try connecting them to a USB 2.0 port instead of a 3.0 port, as this can help with this issue. You can also open Device Manager, locate your mouse or keyboard, open its properties, and uncheck the box next to "Allow this device to wake my computer".
If you are using a Bluetooth keyboard or mouse, these devices will usually be disconnected when the system enters sleep or hibernation mode and therefore cannot wake up the computer. However, if Modern Standby is supported, Bluetooth devices will remain connected after the system enters sleep mode.
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Scheduled tasks
To find which tasks are set to wake your computer, open PowerShell by right-clicking the Start menu and selecting Windows PowerShell. In PowerShell, type or copy-paste the following command:
Powercfg -waketimers
This will list all the tasks that are able to wake up Windows 10. If you find any unnecessary tasks, open the Task Scheduler and disable them or double-click them and uncheck "Wake the computer to run this task" from the Conditions tab.
You can also try to prevent your computer from waking up by disabling "Wake on LAN" and "Mouse Wake Up." Additionally, you can try connecting your mouse or keyboard to a USB 2.0 port instead of a 3.0 port, as this can help with wake-up issues.
If you want to schedule a task to run when your computer wakes from sleep mode, you can use the Task Scheduler. Create a task and select "On an event" as the trigger. Look for an event related to power in the "System" event log. You can also try using a third-party program like Macro Express™ to create a macro that runs when your computer wakes up.
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Windows Update
To prevent this from happening, you can disable wake timers so that nothing wakes your PC—not even drive scans or antivirus sweeps. Here's how:
Go to Settings > Update & Security > Advanced Options. Here, you can delay and pause "feature" and "quality" updates. To disable wake timers, go to Control Panel > Power Options > Change Plan Settings > Change Advanced Power Settings > Sleep > Allow Wake Timers and change Plugged In to Disabled. Repeat this process for all your power plans.
You can also use Windows Update’s built-in tools to more meticulously schedule updates and reboots. Set your Active Hours and defer updates until you have time to install them. In Windows 10, go to Settings > Update & Security > Windows Update to pause updates or change active hours.
It's worth noting that some programs and hardware can cause this issue to resurface, so you may need to repeat this process in the future.
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Modern Standby
To disable Modern Standby in Windows 10, you can use a registry script. Before making any changes to your Windows registry, it is recommended that you create a restore point to help you recover your system in case something goes wrong during the process.
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Outdated device drivers
To resolve this, it is recommended to update your device drivers to the most recent version. This can be done manually by downloading and installing the correct drivers for your system. However, this process can be time-consuming and requires technical knowledge to ensure the correct drivers are installed.
Alternatively, you can use a driver update tool, such as Driver Easy, which automatically recognises your system and finds the appropriate drivers. This method simplifies the process and reduces the risk of installing the wrong drivers. Once the updates are installed, restart your computer for the changes to take effect.
After updating your device drivers, test if the issue has been resolved by putting your computer to sleep and then attempting to wake it up. If the problem persists, there may be other factors causing the unexpected wake-ups, and further troubleshooting is required.
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Frequently asked questions
If your computer won't wake up from sleep mode, try long-pressing the power button to force it to shut down, then press the power button again to boot it up. You should also ensure that you're always shutting down your PC the normal way.
To prevent your computer from waking up randomly, you can disable wake timers entirely. To do this, type "Edit power plan" in the Start menu, click "Change Advanced Power Settings", expand the "Sleep" entry, double-click "Allow Wake Timers", and set the entries below to "Disabled".
To find out what woke up your Windows 10 computer, you can use the Command Prompt. Start by typing "cmd" in the Start menu and selecting "Command Prompt". In the Command Prompt window, type "powercfg -lastwake" and press Enter. This will show you which device last woke up your computer.
