Q: A lot of new iPads if not all have problems activating Personal Hotspot. Any solution on this? - Marc (via Twitter) A: Firstly, keep in mind that the Personal Hotspot feature is only supported on the new, third-generation iPad; it is not available on older models, even with the latest iOS updates. Even if you have a supported iPad model, however, the availability of the Personal Hotspot option is controlled by your carrier and the configuration…