Hi Everyone, I just wanted to chime in and advise the "heat with a dryer" trick works to get my Tivo HD up and running after it loses power (I heat the 4 RAM chips next to the hard drive). I first heard about this trick in August of 2017 on another thread; check out my post here if you are interested. I've used this technique about 4 times to power the Tivo back up if it loses power. We have the Tivo HD hooked up to a UPS, but it only provides about 30min max backup power. So when we recently had a power outage of several hours, the TivoHD went 100% off power for all that time. This last time I had to heat the RAM chips for about 4 minutes using a hair dryer on high heat, moving back and forth across the 4 RAM chips in a slow back-and-forth pattern, with the hair dryer about 4 inches from the RAM chips. First I tried 30 seconds, then a minute, then 90 seconds and then another full minute. After each attempt I turned off the dryer and plugged in the Tivo (the case is off while I'm doing this). After the 4th attempt (when it had been heated about 4 minutes) the Tivo finally booted. If you look at my other post I linked above, that time I only had to head the chips about 90 seconds and the Tivo booted up. This time it took nearly 4 minutes; not sure why, perhaps it's because the Tivo was offline for about a week, as it's a secondary Tivo (upstairs bedroom) and other things occupied my attention. So perhaps when I finally got to it, the Tivo was "really cold" and it needed more heat from the dryer. Or, another thing I just considered, perhaps I really should have been heating the other areas of the motherboard (such as U3003, or the power capacitors) and when I was heating the RAM chip area, some heat was slowly drifting over to the other areas that actually needed the hair dryer, and by heating the RAM chip area for a long period of time, perhaps enough heat eventually made it to U3003/power capacitor regions and that finally caused the Tivo to boot? I wonder. The next time this happens, I'll try heating the U3003/power capacitor regions first to see if that causes the Tivo to boot up faster. BTW, in case you are wondering why I'm using this old Tivo: I tried for a while to copy content off the Tivo, but I couldn't get kmttg to work. The Tivo HD looks like it has other issues (it can't be "seen" on the network by kmttg, so I can't copy files from it). So, we are keeping the Tivo HD for now. If I get enough spare time I might dig into it again and see if I can get the content off it. Anyway, just thought I'd share my story in case it may interest or help others. Thanks for all your work on trying to investigate the root cause!