PC Randomly Freezes or Stutters
Everything locks up for a few seconds to a minute, then resumes on its own.
Before you start: save any open work and note down what you were doing when the problem started — that context helps if you need to search further or ask for help.
- Check Reliability Monitor (search "reliability") for a timeline that might line up freezes with specific app launches or events.
- Update your graphics driver — outdated or corrupted GPU drivers are one of the most common causes of freezing, especially during video or games.
- Check the drive's health: run "wmic diskdrive get status" in Command Prompt, or use the manufacturer's diagnostic tool if you know the drive model.
- Monitor temperatures with a tool like HWMonitor — overheating causes exactly this kind of intermittent freeze, especially in laptops with dusty vents.
- If freezes coincide with high RAM usage in Task Manager, you may simply need more memory or fewer background apps running.
- If nothing above pins it down, a clean boot isolates whether a background service or startup program is the actual cause, rather than Windows itself.
Mentioned above:
How to Perform a Clean Boot to Isolate a Stubborn Problem
Still not fixed? Send us the details and we'll help you dig further, or browse related guides in Performance & Slow PC.
Frequently Asked Questions
How is this different from the computer just being slow?
Slowness means things still work, just sluggishly. Freezing means the screen and input stop responding entirely for a period, then either recovers or requires a restart — a distinct symptom with a different set of likely causes.
Could this be a sign my PC is about to fail completely?
Not necessarily, but frequent, worsening freezes are worth taking seriously and working through this guide's driver, temperature, and memory checks rather than ignoring them.
Related guides
My PC Has Gotten Noticeably Slower
General sluggishness with no single obvious cause.
CPU Usage Stuck at 100%
The fans are loud and everything lags, even with nothing obviously demanding open.
Disk Usage Stuck at 100%
Task Manager shows the disk pegged even when you're not doing anything heavy.