HP ProBook 4720s Repair Service by PCNix Toronto 416-223-2525 Posted by internet marketing pro | Mar 2, 2013 | Computer And Laptop | HP ProBook repair service by PCNix Toronto details www.pcnix.ca Video by PCNix Computer Repair covering Toronto, Scarborough and GTA. Call us at 416-223-2525. Heatsink ventillation service. Video Rating: 5 / 5