My Computer Doesn’t Wake Up from Sleep Mode: How To Fix

You’re in the middle of an important project, you step away for a moment, and when you return, your computer doesn’t wake up from sleep mode. This frustrating issue is more common than you might think. Understanding why this happens and knowing how to fix it can save you a lot of headaches. In this blog post, we will explore the reasons behind this problem and provide detailed troubleshooting steps to get your computer back up and running. Keywords to keep in mind throughout this guide include computer repair and wake up from sleep mode.

Understanding Sleep Mode

Sleep mode is a power-saving state that allows a computer to quickly resume full-power operation. It is like pausing a movie; the computer stops most activities, conserving energy while maintaining the current session. This mode is incredibly useful for saving power and extending the life of your computer’s components. When a computer enters sleep mode, it reduces power to non-essential systems, keeping only enough power to remember its state. This way, when you wake it up, you can pick up right where you left off. However, sometimes, things go wrong, and the computer doesn’t wake up as it should.

Common Reasons Why a Computer Doesn’t Wake Up from Sleep Mode

Power Settings Misconfiguration
Incorrect power settings can prevent a computer from waking up. Settings like hibernation timeout or hybrid sleep mode can interfere with the normal wake-up process.
Hardware Issues
Loose cables, malfunctioning peripherals, or faulty internal components can also cause wake-up problems. Even a defective power button can be the culprit.
Outdated or Corrupt Drivers
Drivers are essential for hardware to communicate with the operating system. If they are outdated or corrupt, the computer may not wake up from sleep mode.
Software Conflicts
Installed programs can sometimes conflict with each other or with the system settings, leading to wake-up issues. Background applications or system updates might cause such conflicts.
BIOS/UEFI Settings
Incorrect BIOS/UEFI settings can affect how a computer wakes from sleep mode. These settings control low-level functions of your computer and can sometimes be misconfigured.

Troubleshooting Steps

1. Check Power Settings
First, let’s ensure your power settings are correctly configured.
  1. Access Power Settings:
    • On Windows, go to “Control Panel” > “Hardware and Sound” > “Power Options.”
    • On macOS, go to “System Preferences” > “Energy Saver.”
  2. Adjust Sleep Settings:
    • Set “Put the computer to sleep” to a reasonable time, such as 15 minutes.
    • Ensure “Allow hybrid sleep” is off.
  3. Change Advanced Power Settings:
    • Expand “Sleep” and set “Allow wake timers” to “Enable.”
    • Under “USB settings,” disable “USB selective suspend.”
By configuring these settings correctly, you can often resolve issues related to waking from sleep mode.
2. Examine Hardware Connections
Hardware can play a significant role in this issue.
  1. Check External Devices:
    • Ensure all cables are securely connected.
    • Unplug unnecessary peripherals like external hard drives or printers.
  2. Inspect Internal Components:
    • Check that the RAM and other internal components are properly seated.
    • Look for any signs of physical damage or wear.
  3. Test with Minimal Setup:
    • Try waking the computer with only the essential peripherals connected. This can help identify if a specific device is causing the problem.
3. Update or Reinstall Drivers
Drivers are crucial for your computer’s operation. Updating them can resolve many issues.
  1. Identify Outdated Drivers:
    • Use Device Manager on Windows or System Information on macOS to check for outdated drivers.
  2. Update Drivers:
    • Visit the manufacturer’s website to download the latest drivers.
    • Use Windows Update or macOS Software Update to ensure all system drivers are current.
  3. Reinstall Problematic Drivers:
    • If updating doesn’t work, try uninstalling the driver and then reinstalling it from scratch.
4. Resolve Software Conflicts
Software conflicts can prevent your computer from waking up properly.
  1. Check for Recent Software Changes:
    • Review any software installations or updates made recently.
  2. Use Task Manager:
    • Identify any background processes that might be causing conflicts.
    • End tasks that are not critical and see if the problem resolves.
  3. Perform a Clean Boot:
    • Disable all startup programs and non-Microsoft services.
    • Gradually re-enable them to identify the problematic software.
5. Modify BIOS/UEFI Settings
Incorrect BIOS/UEFI settings can be a hidden cause of wake-up issues.
  1. Access BIOS/UEFI:
    • Restart your computer and press the designated key (like F2, F12, or DEL) to enter the BIOS/UEFI setup.
  2. Check Power Management Settings:
    • Look for settings related to power management, such as “Wake on LAN” or “ACPI.”
    • Ensure these are configured correctly.
  3. Reset to Default:
    • If unsure about the changes, you can reset BIOS/UEFI settings to default.

Advanced Solutions

If basic troubleshooting doesn’t solve the issue, consider these advanced solutions.
Resetting the PC
Resetting your computer can resolve many issues by restoring it to factory settings.
  1. Backup Data:
    • Ensure all important data is backed up to an external drive or cloud storage.
  2. Reset the Computer:
    • On Windows, go to “Settings” > “Update & Security” > “Recovery” > “Reset this PC.”
    • On macOS, restart in Recovery Mode and choose “Reinstall macOS.”
Performing a Clean Boot
A clean boot starts Windows with a minimal set of drivers and startup programs.
  1. Open System Configuration:
    • Type “msconfig” in the Windows search bar and press Enter.
  2. Selective Startup:
    • Under the General tab, select “Selective startup” and uncheck “Load startup items.”
  3. Disable Services:
    • Go to the Services tab, check “Hide all Microsoft services,” and then click “Disable all.”
Contacting Professional Support
Sometimes, professional help is needed.
  1. Find a Reputable Repair Service:
    • Look for certified repair shops or the manufacturer’s service centers.
  2. Explain the Issue:
    • Provide detailed information about the problem and the steps you’ve already taken.
  3. Follow Up:
    • Ensure you understand the diagnosis and the proposed solution.

Preventive Measures

To avoid future issues, follow these preventive measures.
Regular Updates
Keeping your system and drivers updated prevents many issues.
  1. Enable Automatic Updates:
    • Ensure that your operating system and applications are set to update automatically.
  2. Regular Checks:
    • Periodically check for driver updates manually.
Proper Shutdown and Restart Practices
Avoiding improper shutdowns can extend the life of your computer.
  1. Shutdown Properly:
    • Always use the shutdown option in your operating system.
  2. Restart Periodically:
    • Regularly restart your computer to ensure updates are applied and systems are refreshed.
Regular Maintenance
Maintaining your computer keeps it running smoothly.
  1. Clean Hardware:
    • Regularly clean dust from your computer’s interior and exterior.
  2. Run Diagnostics:
    • Use built-in diagnostic tools to check your computer’s health.


Wake-up issues can be frustrating, but with the right steps, they are often easy to resolve. By understanding the common causes and following the troubleshooting steps outlined, you can get your computer back in working order. Regular maintenance and updates are crucial for preventing such problems in the future. Share your experiences and any additional solutions you’ve found effective. Keeping your computer running smoothly is not just about fixing problems but also about preventing them.


How do I fix my computer not waking up from sleep mode?

To fix a computer that doesn’t wake up from sleep mode, follow these steps:
  1. Check Power Settings: Ensure your power settings are correctly configured in the Control Panel (Windows) or System Preferences (macOS).
  2. Examine Hardware Connections: Inspect cables, peripherals, and internal components for any loose connections or damage.
  3. Update or Reinstall Drivers: Make sure all drivers are up-to-date. Use Device Manager (Windows) or System Information (macOS) to identify and update drivers.
  4. Resolve Software Conflicts: Identify and address any software conflicts by reviewing recent installations and using Task Manager to end unnecessary background tasks.
  5. Modify BIOS/UEFI Settings: Access your BIOS/UEFI settings to ensure proper power management configurations.

How do you wake up a computer stuck in sleep mode?

To wake up a computer stuck in sleep mode:
  1. Press a Key or Move the Mouse: This often wakes up the computer.
  2. Use the Power Button: Press the power button briefly. Avoid holding it down as this might shut down the computer.
  3. Disconnect and Reconnect Power: For desktops, unplug the power cord, wait a few seconds, then plug it back in. For laptops, remove and reinsert the battery if possible.
  4. Check for Peripheral Issues: Disconnect unnecessary peripherals and try waking the computer again.

How do I force my computer to wake from sleep?

To force your computer to wake from sleep:
  1. Use the Power Button: Press the power button briefly.
  2. Perform a Hard Reset: Hold the power button for about 10 seconds until the computer shuts down, then restart it.
  3. Use Wake-on-LAN: If your network supports it, use another device to send a Wake-on-LAN signal.
  4. Check BIOS/UEFI Settings: Ensure Wake-on-LAN and other wake features are enabled in the BIOS/UEFI settings.

What to do if my computer monitor is stuck in sleep mode?

If your computer monitor is stuck in sleep mode:
  1. Check Monitor Connections: Ensure the monitor’s power cable and video cable are securely connected.
  2. Use Monitor’s Power Button: Turn the monitor off and on using its power button.
  3. Adjust Power Settings: In your computer’s power settings, ensure the display sleep time is appropriately set.
  4. Test with Another Monitor or Cable: Swap the monitor or the cable to rule out hardware issues.
  5. Update Graphics Drivers: Make sure your graphics drivers are up-to-date by checking the manufacturer’s website or using Device Manager (Windows) or System Information (macOS).

Experiencing issues with your computer not waking up from sleep mode?

Don’t let frustration slow you down. At Volta PC Upgrade & Repair, our expert technicians are ready to diagnose and fix your computer problems swiftly and efficiently. Whether it’s updating drivers, checking hardware, or resolving software conflicts, we have the expertise to get your system back on track. Get your computer back in top shape with Volta PC Upgrade & Repair!
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