You could have screwed something up trying to root it, or it could just be a lemon. It's usually a good idea to just use the phone stock for a few days (or longer) to make sure it is working correctly. That way when it starts acting weird you know it is something you did.

 

you have USB debugging enabled, right?

you might want to review this thread too.

i would make sure you are completely unrooted and then do a factory reset to rule out any other cause. if everything works, grab the latest version of Pete's tool from this thread.

of course, i'm no expert so your mileage may vary

 

How long ago did you root your Bionic? If you used Pete's tools before 1.06, there was a bug that made it impossible to re-root after you had unrooted.

Use this guide to fix, then head into our root sub-forum and follow the new guide.

If these problems continue, or you had used 1.06 the first time, follow the restore instructions (same thread) to try and take you back to the factory state with working image.