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.
6.Power on laptop with AC adapter only(Without the battery). 7.If your laptop turns on put the battery back in. If your laptop Won't Power on this trick/fix work for all Brands. Dell, HP, Toshiba, Acer, Sony, Asus, Compaq, Lenovo IBM etc..