Check out this home repair tutorial video that demonstrates how to repair a lead on a Dyson vacuum cleaner. After a long period of time, the lead will get metal fatigue within it and the machine will work intermittently. Follow the step by step instructions in this domestic appliance repair video to properly troubleshoot the Dyson vacuum's switch unit. Please note that all work should be performed by a qualified person. Make sure to take the necessary precautions to ensure a safe repair of your Dyson vacuum cleaner's lead.