Hi all, new member here. So excited about saving my HR-20-100 that I thought I'd share my story and perhaps the same method could work for someone else. First off, several months ago, I was beginning to have symptoms of a failing hard drive. Notably, picture freeze and skipping, and every now and then the receiver would reboot itself and I would get error message indicating hard drive failure (I forget what the code is). Tried formatting and error checking the disk during reboot, and even software update, but the problems persisted until the receiver would never completely boot up, and would only show the hard drive error. I had a Western Digital external Sata drive that I hooked up, and sure enough this brought the receiver back to life, and everything worked perfectly, for a couple of months. Then suddenly, the receiver would start going into power saving mode, even though I had power saving mode disabled, and I would often find the directv logo floating around the screen like a screensaver. And then it happened......after a power failure in my home, the receiver just kept rebooting itself up to the second screen (almost there, just a few more seconds). It would hang on that second screen and reboot itself again, and again. Tried pressing record and arrow down, and tried software update, but that didn't work. Could never get to Disk check or format, it just would never get there. Tried unplugging. for minutes, hours, days, and still nothing. Tried allowing it to reboot itself for 24 hours, hoping that one of these reboots would work, but it never did. Finally, with nothing to lose I opened up the unit. Nothing looked fried on the power supply, nor the main board.So I figured I would test with a voltage meter if the power supply was supplying current to the internal hard drive. I unplugged the power cable that connects the power supply to the internal hard drive, and bingo! With the external hard drive still connected, the receiver booted normally and has been working perfectly ever since. I know it was a pure fluke, and I'm really not sure what the problem was. All I know is that with that power cable to the internal hard drive removed, the receiver is as good as new. My best guess, would be that there may have been a short in that cable preventing any hard drive from being detected, or a problem in the section of the power supply that powers the hard drive. The power supply is otherwise fine as it is powering the unit, and the external hard drive gets it's power from the wall outlet, not the receiver. At this point I am curious, but not curious enough to tempt fate and start playing around with it. I'm going to leave well enough alone, and just enjoy my programming. If anyone has had a similar experience, or decides to try this method, I would love to get some feedback. Thanks to everyone for keeping these boards running, I've learned a lot from the many experts that post here.