How to unfreeze a laptop?

A frozen or unresponsive laptop can be incredibly frustrating. When your laptop freezes, programs stop responding, and you can’t seem to get anything done. Thankfully, there are a few troubleshooting tips you can try to get your laptop back up and running again.

Quick Fixes to Try First

If your laptop only freezes temporarily or certain programs freeze, there are a couple quick fixes you can attempt before doing more in-depth troubleshooting:

  • Force quit frozen applications – If a single app freezes, you can force quit it through Task Manager on Windows or Force Quit on Mac.
  • Restart computer – Restarting your laptop essentially resets everything and can clear up temporary freezing issues.
  • Update applications and operating system – Frozen apps or OS bugs can sometimes be fixed with a system update.
  • Check for overheating – Dust buildup and overheating can lead to freezing. Use compressed air to clean out vents.

Trying the quick fixes only takes a few minutes. If the issue persists, you will likely need to investigate further.

Determine If Laptop Freezes During Bootup

An important factor in diagnosing your frozen laptop is determining exactly when and where it freezes up:

  • During bootup – If laptop freezes while booting up to the manufacturer logo or operating system loading screen, it could indicate an issue with your hard drive or operating system files.
  • At login screen – Freezing at login screen may signal a software conflict or corrupt OS files.
  • After login – Freezing only after you’ve logged into the desktop points to a problem with an application or software settings.

Pay attention to when in the startup process the laptop freezes. This can direct you to the potential cause.

Troubleshoot Hardware Issues

Hardware problems like bad RAM or a failing hard drive are common culprits of laptop freezes. Here are some hardware troubleshooting steps:

Check RAM

Faulty or incorrectly seated RAM modules can easily cause freezing. Try reseating the RAM first. If that doesn’t work, run a RAM test. Replace RAM sticks if errors are found.

Listen for Hard Drive Errors

Damaged hard drives can also lead to freezing. Listen closely to hear if the hard drive is making grinding noises or beeping errors during bootup. These sounds indicate it may be failing.

Boot to Safe Mode

Booting into Windows Safe Mode starts your computer with only basic drivers and services. If your laptop works normally in Safe Mode, a third-party driver or application is likely causing issues.

Check CPU Temperature

An overheated CPU can sometimes cause freezing. Download a system monitor app like Speccy to check your CPU temp. Consistently high temperatures may mean you need to reapply thermal paste or clean out your laptop vents.

Test with Live USB

Booting from a USB flash drive with a Linux-based operating system like Ubuntu allows you to test your laptop hardware without loading your installed OS. If freezing persists, it indicates a deeper hardware problem.

Troubleshoot Software and OS Issues

If you’ve ruled out hardware failure, freezing is likely being caused by an underlying software issue:

Boot Into Safe Mode with Networking

Safe Mode starts Windows with only essential services, while Safe Mode with Networking adds your network drivers. If freezing only happens in regular mode, a problematic third-party driver may be causing conflict.

Uninstall Recent Updates

Check your Windows Update history and uninstall recent updates that occurred around the time freezing began. Reverting updates can resolve compatibility issues.

Scan for Malware

Malware like viruses and spyware can definitely cause system freezes and crashes. Scan your entire system with antivirus software like Malwarebytes to catch and remove infections.

Check Event Viewer

Event Viewer provides detailed system logs that can hint at the source of problems. Look for critical errors around the times freezing occurs. Google error codes for solutions.

Reset Your Laptop

If you’ve tried everything, resetting your laptop to factory default settings should wipe out any lingering software issues. Back up your data first before resetting.

Freeze Recovery Tips

While troubleshooting your freezing laptop, you may encounter instances where it fully locks up. Here are some tips for recovering from a frozen system:

  • Hard reboot by holding down power button – Press and hold the power button for 10+ seconds to force power down.
  • Unplug peripherals – Disconnect any wired USB devices including printers, cameras, and external hard drives.
  • Close laptop lid – Closing the lid for 30 seconds can force suspended laptops to sleep.
  • Remove battery – Taking out the battery will cut power and reset the laptop.

After hard rebooting your laptop, try booting it into Safe Mode to see if it still freezes when startup processes are limited.

Prevent Laptop Freezing

Once you’ve resolved laptop freezing, there are things you can do to help prevent it in the future:

  • Keep your laptop cool – Use a laptop cooling pad and regularly clean out vents to prevent overheating issues.
  • Avoid harmful sites – Stick to trusted websites and avoid downloads/links that could contain malware.
  • Install only trusted programs – Vet new software installs carefully to reduce risk of conflicts.
  • Update regularly – Install important Windows and driver updates to fix bugs and security flaws.
  • Use antivirus software – Keep real-time scanning enabled to catch any potential viruses right away.
  • Back up data – Save important files regularly so they are protected if you need to reset your laptop.

Freezing and unresponsiveness are annoying laptop problems that usually have a fix. By methodically troubleshooting hardware and software issues, you should be able to get your laptop back up and running smoothly.

Detailed Troubleshooting Steps

For anyone dealing with a frozen laptop, here is a more detailed step-by-step troubleshooting process:

1. Force Quit Programs and Restart

The first course of action should be the simplest. If you notice only certain programs like your browser have frozen, try force quitting them through Task Manager on Windows or Force Quit on a Mac. Then do a full system restart to reset everything.

2. Update Software, OS and Drivers

After restarting, check for any available updates for your operating system, software applications, and device drivers. Install them and then restart your computer again. Updates frequently include bug fixes that could resolve system freezing issues.

3. Scan for Malware

Download and run a thorough scan using trusted antivirus software like Malwarebytes or Windows Defender. Delete anything harmful that gets detected. Malware and viruses can definitely cause freezing.

4. Inspect Hardware Components

Open up your laptop to give its internal hardware a check:

  • Reseat the RAM modules and run a RAM test.
  • Visually inspect hard drive for any damage.
  • Use compressed air to clear out any dust buildup around components and vents.

5. Perform Hard Drive Check

A failing hard drive can make your laptop freeze and act erratically. Use your operating system’s disk checking utility (like CHKDSK in Windows) to scan for hard drive errors and bad sectors.

6. Monitor CPU Temperature

Download a system monitor to check your CPU temperature. Overheating can definitely cause freezing. Consider reapplying thermal paste if over 90°C under load.

7. Test with Bootable USB

Create a bootable USB drive with Linux Mint or Ubuntu. Boot your laptop from the USB to see if it still freezes when running outside your normal operating system.

8. Boot to Safe Mode

In Windows, restart to Safe Mode or Safe Mode with Networking. Mac users can boot to Recovery Mode. If laptop works fine here, an application or driver is likely the culprit.

9. Uninstall Recent Updates

If issues started after a Windows Update, go to Update History and uninstall the latest updates. Revert to a restore point if needed.

10. Check System Logs

Windows Event Viewer and Mac Console provide detailed system logs. Search them around the times of freezing for error codes related to possible causes.

11. Reset Your Laptop

If you still can’t resolve the issue, backup important data and perform a factory reset on your laptop. This will wipe its software back to a clean state.

Advanced Troubleshooting Tips

For advanced users, here are some additional troubleshooting steps to try for stubborn laptop freezing issues:

Safe Mode with Command Prompt

This mode starts Windows with bare minimum services and also gives Command Prompt access. Use it to run SFC /scannow to check system files integrity or DISM for a more advanced scan.

Clean Boot

Clean booting in Windows disables all non-Microsoft services and startup programs. Freeze issues that only appear under normal boot likely stem from a third-party service or software conflict.

Driver Verifier

Driver Verifier stresses your drivers to check for errors. Enable it for non-Microsoft drivers if you suspect buggy drivers are to blame.

System Restore

If you can pinpoint when freezing began, revert to a System Restore point in Windows from before that date. All system files and settings will rollback.

Repair Install

A repair install in Windows 10 reinstalls the operating system while retaining your files and data. This can fix corrupt OS files causing freezes.

New User Account

Create a brand new user account and log into it. If freezing stops, an issue with your user profile is likely at fault and you can transfer data to the new profile.

Disable Startup Programs

Too many programs starting up when Windows boots can sometimes cause freezes. Disable unnecessary ones through the Task Manager startup tab.

Common Freezing Causes

Now that you have a thorough freezing troubleshooting process, here are some of the most common culprits to keep in mind:

Failing Hard Drive

A damaged hard drive with bad sectors will lead to freezing and crashing as data becomes inaccessible. Listen for clicking or grinding sounds. Replace faulty hard drives immediately.


Dust buildup causing overheating is a prime suspect for random freezing, especially for older laptops. Keep your laptop properly ventilated and use a cooling pad if needed.

Buggy App or Driver

Problematic software and drivers are some of the most common causes of laptop lockups. Use Safe Mode to isolate the culprit then uninstall or update it.

Virus or Malware

Viruses, spyware, and malware can hijack system resources resulting in slowdowns and freezing. Always keep antivirus software active and up-to-date.

Corrupted Registry

The Windows registry can become corrupted and cause system instability. Try scanning and repairing it with the SFC and DISM utilities.


Defective RAM or seating issues can lead to random freezing and crashes. Test RAM using Windows Memory Diagnostic tool for errors.

Power Supply Issue

For laptops that freeze during higher CPU/GPU loads, an inadequate power supply could be the issue. Test with a higher wattage adapter if possible.

Preventative Measures

Freezing issues can often be avoided by taking proactive preventative steps:

  • Keep your laptop’s vents and fans clear of dust buildup through periodic cleaning.
  • Use laptop on hard flat surface so vents aren’t obstructed by blankets or cushions.
  • Install a good laptop cooling pad for additional airflow.
  • Update Windows, drivers, and applications regularly.
  • Only download software from trusted sources to avoid malware.
  • Be cautious of unknown websites and email links that could hide viruses.
  • Run regular system scans with antivirus software to catch any infections early.

Laptop hardware has a finite lifespan, so components like hard drives and RAM will eventually fail after 3-5 years in many cases. But properly maintaining your laptop and being cautious with software should help minimize stability issues like freezing.

When to Seek Professional Repair

If you’ve exhausted all troubleshooting steps and your laptop continues freezing, it’s time to seek help from a professional repair shop. A computer technician has specialized tools and diagnostics to inspect components and isolate issues.

Be prepared to describe in detail the freezing symptoms along with troubleshooting steps you’ve tried. The technician can then use that information to guide their repair process. They may test components like RAM, reinstall the operating system, or make hard drive data recovery recommendations if it is indeed failing.

Seeking professional assistance can resolve tricky freezing situations where DIY troubleshooting hits a dead end. The cost is usually reasonable relative to the frustration of having an unusable laptop.

Data Backup Tips

When troubleshooting laptop freezes, there is always a chance you may need to reset or replace the hard drive entirely. To avoid data loss, implement regular backups:

  • Use cloud backup services like iDrive to automatically backup important files offsite.
  • Manually backup to an external hard drive periodically.
  • Create a system image or snapshot using imaging software that you can restore later if needed.
  • Sync files to a NAS (network attached storage) device on your home network.

With backups in place, you can troubleshoot freezing more freely without worrying about data being lost if you need to reset or replace the hard drive.


Freezing and lock ups are one of the most disruptive laptop problems out there. Thankfully by methodically troubleshooting and process of elimination, the underlying cause can usually be uncovered. Start with the simple fixes and work your way to more advanced techniques until normal operation is restored.

Hard drives, overheating, and software issues are the most prevalent culprits. But occasionally freezing indicates component failures like bad RAM that requires replacement. Proactive preventative maintenance and data backups make dealing with potential freezing far less stressful.

Don’t hesitate to enlist professional repair help when you are out of troubleshooting options. A computer repair tech can isolate issues and get your laptop running smoothly again so you can get back to work.