Is your computer screen black or blank when you power on your PC?
This issue could be caused by faulty graphics cards, loose cables, or display hardware failures. At STS Computers, our expert technicians diagnose and fix screen and display problems quickly, ensuring your computer shows exactly what it should. Get reliable PC repair services in London and bring your screen back to life.
A blank or black screen can be one of the most frustrating computer problems. Whether your laptop or desktop powers on but the screen remains dark, or it flickers and fails to display anything, this issue can bring your work and entertainment to a halt. At STS Computers, we specialize in diagnosing and repairing screen problems quickly and affordably across London.
There are several reasons why your computer screen might stay blank or fail to display:
Loose or damaged cables/connectors between your screen and motherboard
Faulty display panel or backlight issues
Graphics card or GPU failures
Corrupted or outdated display drivers
Power supply problems affecting the display
System booting but stuck before showing the desktop
Our expert technicians perform thorough diagnostics to identify the root cause of your screen issue. We offer:
Screen and display cable inspections and repairs
Graphics card testing and replacement
Driver updates and software fixes
Power supply checks and repairs
Fast and reliable screen replacement if needed
No matter your computer brand or model, we use high-quality parts and proven techniques to restore your screen’s functionality efficiently.
Skilled technicians with years of experience
Quick turnaround times — many repairs done same-day
Transparent pricing with no hidden fees
Convenient walk-in service or easy online booking
Guaranteed satisfaction and quality workmanship
Don’t let a blank screen stop you! Visit STS Computers in London or book your repair online today. We’ll get your computer’s display working perfectly so you can get back to what matters.
This issue may be due to a loose cable, faulty graphics card, damaged screen, or power issues. It could also be a software or driver conflict. A full diagnosis is the best way to determine the exact cause.
Yes, a damaged or disconnected monitor can result in a completely black display. Testing with another monitor or screen can help identify the issue.
Try an external monitor to see if it’s a screen issue. If nothing displays, it could be a motherboard, RAM, or GPU issue. Bring it in for a full diagnostic.
Yes, a failing or improperly seated graphics card often causes display problems. We can test and replace it if needed.
Costs vary based on the exact fault. At STS Computers, we offer affordable diagnostics and transparent pricing before any repair is done.
Absolutely! We repair display issues for all major PC brands, desktops, laptops, and Mac systems.
Yes, you can book a repair online anytime or walk into our London shop for same-day service.
160 Commercial Rd, London E1 1NL, United Kingdom
Phone : +44 20 7265 0145 Mo: 07538578877
shahin@stscomputers.co.uk shahintota@yahoo.com