Welcome to Sigma Systems sales area. Here you can find all the latest computing technologies at unbeatable prices. At insidecomputers we cater for the enthusiasts, hard core gamers, overclockers and IT professionals alike. We have loads of special offers on selected items and you are guaranteed a bargain when you visit our site.

Our friendly staff are always on hand to help with any items you require. You can be certain that you will be assisted in an efficient manner and assured that the products we offer will be the best option to suit your needs.

Below are some of the products we have to offer. If you do not find the item you are looking for in our PC sales and accessories category please contact us on 022 25472375 / 9820613034 as we will be happy to help.



Small problems could mean big trouble in the future - they might be affecting the way you work, or just annoying you! We can come and solve your hardware and software related problems.

PC servicing / repair doesn’t just mean hardware failure and hardware support. Many times computers break down due to software problems or software/driver incompatibility.

Our PC engineers are experienced in all versions of Miscrosoft Windows 95, 98, ME, 2000, 2000 Server, Server 2003, XP, XPMC and Vista.

We are discrete and you can be assured any data we have access to will treated in confidence and not leave our premises Whether your PC problem is hardware or software related, one of our technicians can call out at your home or business with all required tools and testing hardware.

The problem will be diagnosed and explained to you in plain English and what has to be done to rectify it. You will be given a quote and an estimated time frame.

Many problems can be fixed / solved on-site. However the more extensive or complex jobs may have to be carried out at our workshop. If this is the case, your PC will be returned back to you at the earliest possible time. Most callouts are carried out the very same day, otherwise within a 24 hour period, this of course depending on our workload.

Servicing or repairing your laptop can sometimes be a complex issue. We know the laptop repair business; we have been professionals in the UK laptop industry for years. We repair and service of almost all makes of laptop, from the well known brands of Sony Vaio, Dell, and Toshiba to bespoke specialist units. When we repair or service your laptop, we diagnose the problem, this entails a detailed review. Our engineers can repair down to component level. We have the skill set to service or replace anything from a CD Rom to a motherboard component. Most laptop hardware faults can't be repaired on site. These need to be taken to our repair facility where we have the equipment and components to perform any work necessary.