Purchased a used R10 on eBay. This will be our 3rd R10 in the house along with one R15 which I can't wait to replace with an R10. This new R10, once it was connected, locks up when doing a search for programs to record. After entering the first letter of the search, I get the"please wait' clock and it gets stuck there until I have to power off and reset the reciever. Had a similar problem with response from the remote to changing channels and searching the guide - where the channel wouldn't change or the action wouldn't occur for 45 seconds or so - when I first connected it and a reset seemed to have corrected that problem. I am wondering if both of these issues are looked at together if there might be something wrong with the hard drive? How would I isolate/troubleshoot a hard drive issue from other issues?