Evie Summers
If you're looking to change the sleep/wake-up key on your Windows 10 device, there are a few methods you can try. One way is to go into your device's settings and select 'Power & sleep', where you can adjust how long your device waits before going to sleep. You can also select 'Choose what closing the lid does' and change the settings there. If you want to wake up your device, simply moving your mouse or pressing any key on your keyboard should do the trick. However, if you want to prevent your device from waking up with any input, you might need to write a program or use tools like SharpKeys to remap your keys.
How to change the sleep/wake-up key in Windows 10
| Characteristics | Values |
|---|---|
| Remap keys | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout |
| Tools to automate remapping | SharpKeys |
| Prevent devices from waking up the computer | Disable "Allow this device to wake the computer" |
| Wake up a computer from sleep mode | Move the mouse, press any key on the keyboard, or press the power button |
| Wake-up settings for Dell Latitude 7490 | "USB Wake Support" and "Wake on LAN" |
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What You'll Learn
Remapping keys using HKEY_LOCAL_MACHINE
Remapping keys on your Windows 10 can be done by editing the registry key HKEY_LOCAL_MACHINE. This method requires a reboot and directly changes the keyboard driver configuration, affecting every user and program on the machine.
To remap keys using HKEY_LOCAL_MACHINE, follow these steps:
- Back up your registry: Open the Registry Editor and choose File > Export to save the current configuration.
- Navigate to the following path: Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout. You can paste this directly into the address bar of the Registry Editor.
- Modify the "Scancode Map" value to reflect the desired key remapping. The "Scancode Map" value is a hexadecimal string that defines the mapping between the physical keys and the corresponding scan codes. You will need to determine the correct hexadecimal values for your specific remapping.
- Save the changes and restart your computer for the new key mappings to take effect.
It is important to note that editing the registry can be risky, and a mistake could cause stability issues or loss of functionality. Always back up your registry before making any changes, so you can restore it if needed.
Additionally, there are alternative methods to remap keys without directly editing the registry. Tools like SharpKeys, AutoHotkey, and Microsoft PowerToys provide user-friendly interfaces for remapping keys and may offer more flexibility for per-user or per-application mappings. These tools can automate the process and reduce the risk of making errors in the registry.
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Enabling 'Allow this device to wake the computer'
To enable the "Allow this device to wake the computer" option on Windows 10, you must be signed in as an administrator. Here is a step-by-step guide:
- Open an elevated command prompt.
- Type the following command into the command prompt and press Enter: "powercfg -devicequery wake_from_any". This will generate a list of all devices that support waking your computer from sleep.
- Make a note of the device name (e.g., HID Keyboard Device) that you want to enable to wake the computer.
- Now, type the following command: "powercfg -devicequery wake_programmable".
- Double-click/tap on the specific device you want to enable to wake the computer, for example, "Intel(R) Ethernet Connection (7) I219-V".
- Click/tap on the "Power Management" tab.
- Check (enable) the "Allow this device to wake the computer" box and click/tap on OK.
You can also try the following methods to enable the "Allow this device to wake the computer" option:
- Run the built-in Hardware and Device troubleshooter in Windows 10 to check and fix issues with hardware and devices.
- Check your Bluetooth settings and ensure that your computer is discoverable to Bluetooth-enabled devices.
- Add the registry value.
Additionally, you can prevent specific devices from waking up your computer by disabling the "Allow this device to wake the computer" option in the Device Manager.
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Troubleshooting monitor standby issues
If your monitor is not exiting standby mode, there could be a few issues at play. First, check if the monitor works with another computer. If it does, then the issue is likely with your computer specifically. If the monitor still doesn't work, the problem may be with the monitor itself.
If your monitor works with another computer, try the following:
- Check your computer's POST (Power-On Self-Test) to see if it gives the usual "all is well" short beep. If it does, your video card may be faulty. If not, your computer may have a more serious issue.
- Check your PSU (Power Supply Unit) by borrowing a known good PSU of around 550-600 watts and testing it with your computer. If you can't borrow a PSU, use a DMM (digital multimeter) to measure the voltages.
- Check for a bad input port on your monitor by trying a different input port, such as D-Sub (VGA) or DVI, and using the appropriate cable.
- Ensure that your GPU (graphics processing unit) is functioning correctly by updating your display drivers and running an energy trace to identify any issues.
If your monitor doesn't work with another computer, try these additional steps:
- Check if the monitor power light turns from orange to green when the computer is turned on. If it remains orange, it may indicate a problem with the input port or cable.
- Try restarting your computer, unplugging and replugging the monitor cables, and testing on another working computer if possible.
Additionally, if your monitor repeatedly wakes up from standby mode, it could be due to an external device or peripheral. For example, an Xbox One Controller or a GPU issue was found to be preventing a monitor from going into standby mode in some cases. Ensure that your devices and drivers are up to date and compatible with your system.
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Changing power button settings
Firstly, select the 'Start' button, then choose 'Settings', followed by 'System', and then 'Power & Sleep'. Here, you can adjust the screen and sleep settings to your preferred duration. You can also access 'Additional power settings' from this menu, which allows you to configure what the power buttons do.
If you are using a desktop or tablet, you can select 'Choose what the power buttons do'. Next to 'When I press the power button', select 'Sleep', and then 'Save changes'. On a laptop, the same process is followed, but you will need to select 'Choose what closing the lid does' and then 'When I close the lid', followed by 'Sleep' and 'Save changes'.
If you want to wake up your Windows 10 device from sleep mode, you can move the mouse, press any key on the keyboard, or press the power button. It is worth noting that pressing any key on a Windows machine should wake it up, but if it does not, the issue may lie in the action set up when the lid is closed.
You can also prevent specific devices from being able to wake up your computer by disabling the "Allow this device to wake the computer" setting.
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Selecting 'Choose what closing the lid does'
To change what happens when you close the lid of your laptop, you can select "Choose what closing the lid does" in Windows 10. This allows you to specify the default action to take when the laptop lid is closed, such as shutting down, hibernating, or doing nothing.
- Right-click the battery icon in the taskbar and select "Power Options" from the menu.
- In the new window, click on the "Choose what closing the lid does" link on the left side of the screen.
- Click on "Change settings that are currently unavailable" to make changes to the power options.
- In the "When I close the lid" drop-down menus, select the desired action for both "On battery" and "Plugged in" modes. You can choose from options such as "Sleep," "Hibernate", "Shut down," or "Do nothing."
- Note that to have the "Hibernate" option, you need to have hibernation enabled on your system.
- After selecting your preferred actions, click on "Save changes" to apply the new settings.
Additionally, you can also change the lid close action using the Command Prompt. Here are the steps:
- Open the Command Prompt by searching for it in the Start menu or pressing Win + R, typing "cmd," and pressing Enter.
- In the Command Prompt window, type and run the command: "powercfg /L." This will list the available power schemes.
- Identify the GUID (Globally Unique Identifier) of the power plan you want to apply the changes to. It will be in the format "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX," where each X is a letter or number.
- Now, use the following command to set the lid close action when on battery: "powercfg -setdcvalueindex
4f971e89-eebd-4455-a8de-9e59040e7347 5ca83367-6e45-459f-a27b-476b1d01c936 ." Replace with the actual GUID from step 3, and with the appropriate value from the table provided by Microsoft. - For the lid close action when plugged in, use the following command: "powercfg -setacvalueindex
4f971e89-eebd-4455-a8de-9e59040e7347 5ca83367-6e45-459f-a27b-476b1d01c936 ." Again, replace and with the appropriate values. - Finally, run the command "powercfg -SetActive
" to make Windows apply the power scheme changes.
By following these steps, you can customize what happens when you close the lid of your laptop in Windows 10, either through the graphical user interface or the Command Prompt.
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Frequently asked questions
To change the sleep/wake-up key on your Windows 10 laptop, go to Settings > Power > Sleep. Then, enable "Allow this device to wake the computer".
To wake up your Windows 10 computer from sleep mode, you can move the mouse or press any key on the keyboard. If this does not work, press the power button.
If your computer is not waking up from sleep mode, ensure that it is not in hibernate mode. Check this by going to Start > Settings > System > Power & Battery > Screen and Sleep. Here, you can also adjust how long your device waits before going to sleep.
To prevent accidental wake-ups, you can disable the "Allow this device to wake the computer" setting. You can also remap your keys using HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout.
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