how to change toothbrush in a phillips sonicare electric toothbrush?

my Braun tooth brush shows no light whilst tryingbto charge??

what could be the problem?

Although the appliance is plugged in, as usual, no life..!?

Where is there a repaur shop to fix my Oral-B Sonic complete?

Sonic Complete Toothbrush switch problem?

Dentalux electric toothbrush?

Need 2 Pin Razor to 2 Pin Razor extension lead?

How can i fix or receive repair for my Oral B Electric Toothbrush?

Replacing the brush?

My toothbrush keeps falling off while brushing my teeth?

How to repair Braun electric tooth brush D 15511?

wheredo i get help with a braun oral b battery ( 2 aa)operated??