Miya Pearson
Sleep mode is a handy feature on your computer that allows you to step away for a short period without having to shut down and boot up your device. It saves energy and is a great way to quickly pause your work and come back to it later. However, sometimes your computer may wake up from sleep mode unexpectedly, which can be frustrating if you're trying to save power or if you're in the middle of a task. In this article, we'll explore ways to prevent your computer from randomly waking up and how to put your computer to sleep without signing out.
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What You'll Learn
Putting your computer to sleep
To put your computer to sleep, you can usually just press the power button on your desktop, tablet, or laptop, or close your laptop's lid. However, the specific steps to put your computer to sleep may vary depending on the device and its settings. Here are some general instructions for putting a Windows PC to sleep:
- Select the "Start" button, then go to "Settings > System > Power & Sleep > Additional Power Settings."
- Choose "Change what the power button does" and then select "Change settings that are currently unavailable."
- Under "Shutdown settings," select the "Sleep" option. You may also see a “Hibernate” checkbox here, which uses less power than sleep and is useful if you won't be using your device for an extended period.
- Click "Save changes."
- Now, when you select "Start" and then "Power," you will see the "Sleep" option.
Alternatively, for a quick way to put your Windows PC to sleep, you can simply press the Windows logo key + X on your keyboard, and then select "Shut down or sign out > Sleep."
It's important to note that not all PCs are the same, and the steps to wake your computer from sleep may vary. Some PCs may allow you to wake them by pressing any key on the keyboard, clicking a mouse button, or opening the lid on a laptop.
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Hibernation mode
To enable hibernation mode on your Windows PC, first, check if the option is available. To do this, select 'Search' on the taskbar, type 'control panel', and select it from the results. Then, select 'System and Security', followed by 'Change what the power buttons do' in the 'Power Options' section. Next, select 'Change settings that are currently unavailable' and, in the 'Shutdown settings' section, select 'Hibernate'. Finally, select 'Save changes'.
Once hibernation mode is enabled, you can hibernate your PC by selecting 'Start' and then 'Power' > 'Hibernate'. Alternatively, press the Windows logo key + X on your keyboard, and then select 'Shut down or sign out' > 'Hibernate'.
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Preventing sleep mode
If you're looking to prevent your computer from going into sleep mode, there are several methods you can employ, depending on your device and requirements. Here are some detailed instructions to keep your computer awake and prevent sleep mode:
Windows PC:
To adjust power and sleep settings in Windows 11, go to Start > Settings > System > Power & Battery > Screen, Sleep, & Hibernate Timeouts. Here, you can customise the duration after which your device will sleep or turn off the screen when inactive. You can set different durations for when your device is plugged in or running on battery power.
If you want to keep your computer awake but reduce power draw, consider turning off peripherals such as monitors and speakers, and use energy-efficient components. Additionally, you can explore the hybrid sleep mode setting, which offers a balance between accessibility and energy savings.
Mac:
To prevent your Mac from automatically sleeping, go to System Preferences > Battery > Options and turn on "Prevent automatic sleeping when the display is off." You can also adjust the time it takes for your screen to lock by going to Lock Screen in the sidebar and customising the "Turn display off on battery when inactive" setting.
For long downloads, go to Battery > Options > Put hard disk to sleep when possible > Never/On battery only, and set Wake for Network Access to "Always." Alternatively, you can use an app like Amphetamine from the App Store, which can keep your Mac awake under various conditions, such as for a specific duration or while another app is running.
Virtual Desktops:
If you need continuous access to your computer but want to avoid the energy consumption and hardware wear and tear of a physical computer running 24/7, consider using virtual desktops. Virtual desktops allow you to access your desktop environment from any device, anywhere, at any time, without leaving your physical computer on. They centralise computing power in the cloud, reducing the need for individual devices to stay powered on, which can cut electricity expenses and lower your carbon footprint.
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Troubleshooting unexpected wake-ups
If your Windows computer is waking up unexpectedly, there are several potential reasons and solutions to try.
First, check if Windows has started scheduled maintenance, which could be the reason for the unexpected wake-up. Open the Windows Control Panel, then go to Security and Maintenance, and Maintenance. If the wake-up option is ticked, simply untick it or change the maintenance time.
Another potential cause is the Reboot scheduled task. To fix this, run the Windows Task Scheduler and, in the left pane, browse for Task Scheduler Library\Microsoft\Windows\UpdateOrchestrator. Then, double-click on Reboot in the right pane, switch to the Condition tab, and disable "Wake the computer to run the task".
If the above solutions do not work, unexpected wake-ups could be caused by viruses or malware interfering with your computer's normal operations. To resolve this, you can use antivirus software to identify and remove any potential threats.
For Mac users, unexpected wake-up issues can also be caused by viruses or malware. Again, this can be addressed by using antivirus software to remove any potential threats. Additionally, you can try a few quick solutions to wake your Mac up from sleep mode: tap the trackpad, press any key on the keyboard, click the mouse, or open the laptop lid. If these methods do not work, briefly press the power button to reboot your Mac.
If your Mac still won't wake up, try the following troubleshooting steps: switch off your Mac, then power it back on and immediately press and hold the Command-Option-P-R keys together. If this also fails, check for system updates, as they can fix small issues and improve your Mac's performance.
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Power-saving tips
If you want to sleep your computer without signing out, you can simply press the power button on your desktop, tablet, or laptop, or close your laptop's lid. On most PCs, you can resume work by pressing the power button again.
- Utilize power-saving software: There is a wide range of downloadable power-saving software that can help you reduce energy consumption and track your carbon savings.
- Adjust your power settings: You can adjust your power settings to maximize energy savings. Go to your control panel and select Power Options. From there, you can set your computer to go into standby mode after a certain period of inactivity, and you can also set your monitor and hard disks to turn off separately.
- Turn off peripherals: If you want to keep your computer awake while reducing power draw, consider turning off peripherals such as monitors and speakers.
- Use energy-efficient components: Opt for energy-efficient components, such as those with the Energy Star symbol, which guarantees energy savings and quality performance.
- Use a surge protector: Protect your computer hardware by using a surge protector to safeguard against unexpected power spikes.
- Prevent data loss: Use an uninterruptible power supply (UPS) to provide backup power during power outages, allowing you to safely shut down your computer and prevent data loss.
- Virtual desktops: Virtual desktops allow you to access your desktop environment from any device, at any time, without leaving your physical computer on all day. This reduces the need for individual devices to stay powered on, cutting electricity expenses and lowering your carbon footprint.
- Adjust screen brightness and display options: If you're using a laptop, adjust the screen brightness and display options to optimize energy savings when you're not plugged into a charger.
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Frequently asked questions
Press the power button on your desktop, tablet, or laptop, or close your laptop’s lid. If you want to hibernate your PC, which uses less power than sleep, you can do so by selecting Start, then Power, and then Hibernate.
Using the Control Panel is one of the most straightforward methods to prevent your computer from going to sleep. Press the Windows key on your keyboard, type "Control Panel" into the search bar, and press Enter. Then, look for the Hardware and Sound category, click on it, and select Power Options.
By default, your MacBook will boot into sleep mode when the lid is closed. To change this, go to System Preferences, click Battery in the sidebar, click Options, and enable the "Prevent the computer from automatically going to sleep when the display is off" option.
One way is to use an app like Lungo, which prevents your Mac from sleeping for as long as you want. Another way is to open Terminal from Finder > Applications > Utilities and keep the Terminal window open.
Click the Apple icon, then System Preferences, then Energy Saver, and then Schedule.
