Hi All, I spent about an hour this morning searching and reading the various discussions in this forum regarding upgrading the internal hard drive of a HR2x receiver, but haven't found a solution to my problem. I tried replacing the WD 330G HD in my HR21-700 with a WD 1TB unit. When I boot up the receiver, it goes through a few of the startup steps, but never gets to a "Formatting hard drive..." screen, and I instead end up with a blue screen saying there's something wrong with the hard drive, etc., error 14-909. I put back the original HD and everything works fine. From what I've read here, the HR21 should have automatically formatted the new HD on boot. I tried the REC-DOWN ARROW trick, the SELECT button trick to access the diagnostic menus, etc. Nothing works. I did plug the new HD into my PC and ran SpinRite, and it says everything is OK. Any ideas? I suppose I could buy an external eSATA enclosure, but I'm wondering if I will have the same problem. Suggestions?