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Welcome to stw computers.

Cardiff's Premiere PC and Laptop Repair & Upgrade Services.

Looking for the best place to get your laptops, PCs, iMacs, games console, and pretty much any other faulty gadget of yours repaired? You’re in luck because you have just found STW computers, the best PC repairs in Cardiff.

Friendly Service

An experienced staff and unrivaled customer service means there is no other option apart from STW.

Warranty on

A minimum of 90 Days warranty is available on or all the repairs offered by us.

No Hidden

All quotes provided by us for any repairs are subject to your approval first.


Professional engineers are ready to deal with any fault in your device at lighting speeds.

Our Services Has The Answer To Everything.


  • screen replacement
  • charging port & keyboard
  • overheating fix
  • motherboard replacements
  • virus removal
  • data backup / recovery
  • hard drive upgrade
  • water damage repair
  • battery replacement


  • SSD upgrades
  • Overheating fix
  • graphics issue
  • Driver Problem
  • Screen Replacement
  • Power supply replacement
  • RAM upgrades
  • Connector issues
  • Network issues


  • battery replacement
  • software repair
  • headphone jack
  • iPad screen replacements
  • LCD or Glass replacement
  • charging port
  • home button repair
  • water damage
  • wifi repair

Gaming Consoles

  • PS4 HDMI
  • PS4 hard drive replacement
  • power supply problems
  • disk drive replacements
  • loose connections
  • WII disk drive replacement
  • XBOX disk drive replacement
  • XBOX/PS software repair

Desktop PC

  • Power supply replacement
  • Motherboard repair
  • Overheating problems
  • Overheating problems
  • Hard drive replacement
  • SSD upgrade
  • Data recovery
  • Windows re-installation
  • PC build


  • Screen replacement
  • Charging port
  • Motherboard replacements
  • Water damage repair
  • Memory Upgrades
  • Virus removal
  • Hard drive replacement
  • Keyboard replacements
  • Overheating issues

In a Rush? CALL us now! 0292 0489 995

Lightning Speed Services

We offer unique services such as our same-day laptop screen replacement service (where you can have your laptop screen fixed and returned to you in less than 24 hours), and we pride ourselves in our unmatched ability to provide efficient and reliable value to our esteemed customers. STW is the best solution for mac repair in cardiff.

Our happy Clients

STW computers is a subdivision of Simtek Worldwide; a company which has successfully diagnosed and fixed the technical faults of over
1500 +

Desktops Repaired

2000 +

Macs Repaired

1000 +

Laptops Repaired

3000 +

Smartphones Repaired

In the 12 years we have been in business. We have been at the vanguard of computer repairs in Cardiff – the capital and heartbeat of Wales, and the largest city in the UK – for over a decade. At STW, computer repairs in Cardiff couldn’t get any better!

Check out our reviews on Google...

Chris Loughlin
Chris Loughlin
posted 3 days ago

Excellent service. Very fast and responsive to any queries despite the current situation. My laptop is now successfully upgraded and super-fast.

Arran Nicholson
Arran Nicholson
posted 6 days ago

Fantastic experience from start to finish from the initial first phone call, to arranging an appointment for my playstation 4 to be cleaned. I've had it for 5/6 years plus and the fan was really loud and the console was slow. Fast, professional service and all completed within 24 hours of making the initial phone call yesterday. My playstation 4 has now been on for hours, its silent and the problem is fixed, its like brand new. I would highly recommend to use this computer shop for all uses, best in Cardiff. Arran

P. S. Can you send me the pictures of clean before and after when you can to..

Rob Arnold
Rob Arnold
posted 4 months ago

Very fast and amazing customer service! Definitely recommend.

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