How to Fix a PC That Keeps Waking Up from Sleep: A Step-by-Step Guide

Having a PC that keeps waking up from sleep mode can be a real headache. But don’t worry, fixing it is easier than you might think. Simply put, you’ll need to check your computer’s power settings, update drivers, and tweak a few options. Follow the steps below, and you’ll have your PC snoozing peacefully in no time.

Step by Step Tutorial to Fix a PC That Keeps Waking Up from Sleep

Before we dive into the steps, let’s understand what we’re aiming to achieve here. We’re going to ensure that your PC’s settings are configured correctly to stay in sleep mode until you decide to wake it up. This involves checking power settings, devices that can wake your PC, and updating drivers.

Step 1: Check Power Settings

Open your computer’s power options and make sure that ‘sleep’ is enabled.

In your power settings, you’ll find options for when your computer should go to sleep and when it should wake up. Make sure that you’ve set it to sleep after a certain period of inactivity and that there aren’t any conflicting settings causing it to wake up prematurely.

Step 2: Disable Devices That Can Wake Your PC

Go to Device Manager and disable the permission for keyboards and mice to wake your PC.

Sometimes, the slightest movement of your mouse or unintentional press of a keyboard key can wake your PC. By disabling this permission, you eliminate these accidental wake-ups.

Step 3: Update Device Drivers

Ensure all your device drivers are up to date, especially the network adapter and mouse/keyboard drivers.

Outdated or faulty drivers can cause your PC to wake up unexpectedly. By keeping them updated, you’re ensuring that they’re not the culprits behind the problem.

Step 4: Disable Wake Timers

In power options, disable wake timers that could be set to wake your PC at certain times.

Wake timers are like alarms for your PC, waking it up at scheduled times for updates or other tasks. If you don’t need these, it’s best to disable them.

Step 5: Check Scheduled Tasks

Review scheduled tasks in the Task Scheduler and adjust any that might cause your PC to wake up.

There might be tasks scheduled to run at certain times, causing your PC to wake up. Make sure these tasks are absolutely necessary or adjust them to run at a more convenient time.

After completing these steps, your PC should stay in sleep mode until you decide to wake it up. This will save power and ensure that your computer isn’t running when it doesn’t need to be.

Tips for Fixing a PC That Keeps Waking Up from Sleep

  • Make sure ‘Hibernate’ mode isn’t causing the issue.
  • Check if any third-party software installed on your PC is interfering with sleep mode.
  • Consider resetting your power plan settings to default if all else fails.
  • Look into your BIOS settings for any power management options that need adjusting.
  • Keep your operating system up to date with the latest updates and patches.

Frequently Asked Questions

How do I know which device is waking my PC?

You can use the command prompt to find out. Type in ‘powercfg -lastwake’ to see the last device that woke your PC.

This command will give you the information you need to determine which device might be causing the issue. From there, you can go into your device manager and make the necessary adjustments.

Can network activity wake my PC from sleep?

Yes, it can. You might want to disable ‘Wake on LAN’ in your network adapter’s power management settings.

‘Wake on LAN’ is a feature that allows your PC to be woken up by network activity. While useful in some scenarios, it may be unnecessary for your setup and could be the reason your PC keeps waking up.

Is it bad for my PC to keep waking up from sleep?

Frequent waking from sleep can lead to wear and tear, but it’s generally not harmful if it’s happening occasionally.

However, if your PC is constantly waking up, it could shorten the lifespan of your hard drive and other components due to the constant stopping and starting.

Can software updates cause my PC to wake from sleep?

Yes, if your settings permit software updates to wake your PC for installation, this can happen.

You can adjust these settings in the ‘Automatic Maintenance’ section of your Control Panel. Set them to a time when you’re usually using your PC to avoid unwanted wake-ups.

What should I do if none of these steps fix the issue?

If none of the above steps work, it might be worth looking at your PC’s hardware. Faulty components could be causing the issue.

In this case, it might be best to consult with a professional or consider replacing the troublesome part.


  1. Check your power settings and enable ‘sleep’.
  2. Disable devices from waking your PC.
  3. Update all device drivers.
  4. Disable wake timers.
  5. Adjust scheduled tasks.


Dealing with a PC that won’t stay asleep can be frustrating, but by following the steps provided, you should be able to fix the issue with ease. It’s all about understanding what can cause your PC to wake up and taking control of those settings. Remember to keep your drivers and operating system updated, as these can often be the root cause of many problems, including this one. If you’ve tried everything and your PC still refuses to stay asleep, it might be time to look into potential hardware issues or seek professional help. With a little patience and troubleshooting, you’ll have your PC sleeping soundly in no time. Now, go forth and enjoy uninterrupted sleep mode on your PC!