Mach4 Computer Services Ltd

Computer Repair and Maintenance Services in Pontefract

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62 Stonegate Drive

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Contact Numbers

David Stelmach: 01977 795003

David Stelmach: 07890 045436


Key Services

broadband setup, custom build computers, custom computer builds and setup


Rapid response to suit your needs. Service when you need it and where you need it. Any time any day.
Don't take your desktop, laptop or notebook computer to a shop! Let us repair or upgrade your computer in your home or office whenever possible, at your convenience.
Data recovery - hard drive crash? We'll try to retrieve your data; no data - no fee.
Virus removal - we can diagnose the problem and remove the virus using our specialist software.
Laptop repairs include: LCD screen replacement; DC socket replacement; missing key repair; hard disk replacement; memory upgrade.
Broadband connection problems, memory upgrades, software upgrades, slow computer?

We provide a personal and friendly 24 hour home or office call-out service for: Personal Computer & Laptop repairs/upgrades. Virus removal. Data recovery. Custom PC builds. Broadband problems solved. ONLY £40 callout fee (includes up to 1 hr on site).

Specialist Services

On site home and office computer design, build, testing, upgrade & repair service. Home install service for computers purchased elsewhere. Data recovery

Trading Since



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Products and Services

We offer these services

  • Delivery Service
  • website
  • Customer Service / Helpline
  • Next Day Delivery
  • Free Quotes
  • Emergency Call Out
  • Free Design Service
  • Special Delivery

We offer these payment methods

  • Cash
  • Cheque
  • Bank Transfer


As you can imagine Vocaltutor uses a lot of pc storage space, especially with 10,000 backing tracks. Twice in the last 18 months Vocaltutor has had problems with external hardrives, dying and eating files! Vocaltutor now have two external hard drives running, and the main one is backed up onto the other every Friday. Vocaltutor would strongly advise everyone with a PC to do this. Losing work, including a book you have written that took 6 months, can be stressful and heartbreaking. Well thanks to Mach4 Computers Ltd , the last time our external hardrive decided to have a fit, the brilliant David Stelmach stepped in. He was able to recover 70% of the files, which I am hugely grateful for, and has recently (in the last two weeks) been able to restore the Health Singing Book I have been writing, so I am able to continue working on it. David's fees are incredibly low, compared to places like PC World, who can't always help anyway. I was told, ‘just send it back to the manufacturer' which at the time would have taken months and been no good to me. So if you need advice on storage or need help with your PC, Mach4 can definitely help

Georgina at

“Thank you Mach4 for responding so quickly! I didn't expect you to come out on a Sunday! You backed up my data so that I would not lose my valuable university work, photos and music, then removed the nasty virus that had blocked my access to everything, and, incidentally, was not detected or removed by my internet provider's supplied ‘malware protection' software. Then, after restoring my operating system, you set up an effective anti-virus programme, restored my broadband connection and reinstalled my files. My computer now runs faster than it ever did! Thank you!!"

Sara, Leeds

Testimonials are added by the business owner and are not independently verified.

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