1 Go to Settings > Notifications, select the app, and make sure that Notifications are turned on. 2  Make sure that youâre signed in to your Apple ID on your iOS device. Go to Settings > iTunes & App Stores and enter your Apple ID and password.  Make sure that Do Not Disturb is turned off.
DENAQ AC Adapter for Select Lenovo Laptops: Compatible with select Lenovo laptops; 20V output; yellow square-tip connector; charges laptop battery.
As is usual with ultrabooks, the X1 Carbon's 50Wh battery is not removable. Lenovo rates battery life at up to 10.9 hours across all four models. During the review period we found that a typical mix of mostly document editing and web browsing, plus some multimedia usage, left some juice to spare from a full charge.