Is your computer constantly freezing or restarting without warning?
These issues are often caused by overheating, hardware failure, corrupted system files, or malware infections. At STS Computers, our technicians quickly diagnose the root cause and provide effective repairs—whether it’s software cleanup, hardware replacement, or system optimization. Get your PC running smoothly again with our reliable repair service in London.
A computer that keeps freezing or restarting can quickly turn your day into a nightmare — whether you’re working, studying, or simply browsing. These issues often point to deeper hardware or software problems that need expert attention. At STS Computers, we provide reliable, fast, and affordable computer repair services in London to resolve these frustrating disruptions.
Here are some common causes behind freezing or unexpected reboots:
Overheating due to clogged fans or poor ventilation
Faulty RAM or failing hardware components
Malware or corrupted files affecting system performance
Outdated drivers or software conflicts
Unstable power supply or hardware compatibility issues
Our certified technicians will:
Run comprehensive diagnostics to pinpoint the exact issue
Clean your system and upgrade any faulty hardware
Remove malware, viruses, or junk files
Update drivers and system software for smoother performance
Ensure long-term stability and protection for your device
We handle both Windows and Mac systems with care and precision.
Don’t let a freezing or rebooting computer slow you down. Visit our repair shop in London or book your repair online in minutes.
We offer same-day service, honest pricing, and guaranteed results — so you can get back to using your PC stress-free.Second and more serious – hardware problem. Computer overheating is most probable cause for computer freezing and restarting. When you machine overheats it get’s unstable and sends a signal to restart.
There is more hardware faults that can cause computer freezes. Faulty power supply, graphic card, processor or even hard drive can cause this kind of problem. Our PC technicians will try to test your computer on site. Sometimes it requires more serious testing. For this we do collect and return fixed computer repair service. We will take your faulty desktop PC to our repair facility and return it in fully working condition. And this with no extra charge! It depends on problem, but usually repairs take from 1 to 3 days.
We work seven days a week. You can call us or use our online booking system to book a computer repair engineer online.
This issue is often caused by overheating, faulty hardware, corrupted system files, or malware infections. Our experts at STS Computers can quickly diagnose and fix the root cause.
Yes, overheating is a common reason for unexpected shutdowns and freezes. We check your cooling system and thermal paste to prevent further damage.
Most repairs are completed within 1–2 business days. For urgent cases, we also offer same-day diagnostics and solutions in London.
No, we take every precaution to protect your data. In fact, we can also help recover files if your system has already crashed.
Yes! You can visit our London shop or book an online consultation. We also provide remote diagnostics for software-related problems.
Absolutely. Often, a simple cleanup or affordable hardware upgrade can extend your computer’s life and restore smooth performance.
160 Commercial Rd, London E1 1NL, United Kingdom
Phone : +44 20 7265 0145 Mo: 07538578877
shahin@stscomputers.co.uk shahintota@yahoo.com