After six months away, I have returned to a non-functioning media centre. Before I left, I backed it up and packed it carefully into a box in a self-storage facility; since it came out of the box undamaged, I can't see many reasons that it shouldn't "just work..." but it doesn't. When I first started up, the machine kicked me straight to CMOS settings, with a complaint that the time needed to be reset. Perhaps the onboard battery had drained. I set the time, and restored some other changed defaults, then saved the CMOS. I then waited for the long boot and numerous complaints about out-of-date virus-checking software. I then issued a soft restart. The computer seemed to shut down normally. That was the last I saw of it for awhile. Each subsequent restart results in fans spinning, but not much else. Devices "light up" in the USB ports, but I cannot tell if they system is reading them or not. I don't think I hear drives reading after the initial spin-up, but it's hard to tell over the noise of the fans. I have tried to issue the remote commands that I programmed for it to "sleep," and it hasn't "slept," so I don't think it is booting. I certainly don't hear any system beeps, or see any video, even on an external monitor. I have attempted at least four times to remove the battery and use the jumper settings to reset the CMOS, to no avail. I also put a tester to the onboard battery, which is issuing the 3V that it is supposed to. There was a glimmer of hope a couple of hours later; when I moved the VGA cable to the external adapter card (rather than onboard), both VGA and HDMI came back to life. However, the boot drive was missing from the list (which is strange, since it was booting from it earlier this evening), so I disconnected the power to trace some SATA cables. I unplugged one to see which drive it is, but when I attempted to reboot...same symptoms. No beeps, no video. Plugging the SATA cable back in did not help. Help! Other than the obvious "solution" of building and installing a whole new system (which I will never have time to do), does anyone have any suggestions? My problem seems similar to thread 154871, posted in the VB forum. Should I try replacing all my SATA cables?