Turn on your BlackBerry PlayBook and connect it to a powered-on Mac computer using the supplied USB cable. On the desktop or within Finder, double-click BlackBerry PlayBook CD. Double-click the BlackBerry Desktop Manager Installer. The installation starts. Accept the License Agreement and click Continue Installation.
Normal Blood Sugars. 1  A normal fasting (no food for eight hours) blood sugar level is between 70 and 99 mg/dL. 2  A normal blood sugar level two hours after eating is less than 140 mg/dL.
Quick Answer. In a nondiabetic adult, a normal fasting blood sugar level can range from 70 to 100 milligrams per deciliter, and a normal result for a random blood sugar test is lower than 125 milligrams per deciliter, states MedlinePlus. Blood glucose levels vary according to factors, such as the time of day when a blood glucose test is performed.