A malfunctioning computer can be frustrating, to say the least. Imagine being in the middle of work or a school assignment and the machine starts acting up. It would help if you knew a qualified computer repair and upgrade service which you can call in such a situation. Trying to use a machine when it has a problem may lead to loss of data or total damage. AD Computers have been in business for 12 years and in that time, I’ve dealt with a variety of issues. I provide computer repairs and upgrade services in Pentyrch, Cardiff and the surrounding areas.