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. A normal, randomly checked blood glucose level in adults is between 80 and 120 milligrams per deciliter of blood before meals or between 100 and 140 milligrams per deciliter of blood right before bedtime, states WebMD. A normal fasting blood glucose level is any number below 100 milligrams per deciliter.