Hi, I've a friend with a dead win7 system. She was working fine until the disk drive started spinning for a long period while system was idle. So she turned it off and now can't boot, no fan activity, etc. I've two similar machines, one intel-based and one with an amd processor. I plan to go over and take out the drive to see if the system comes on and if so will deal with a dead drive. But would any damage occur if I booted up the drive in another system. All three have one hard disk (SATA). Maybe 10 years ago I tried this with a cloned drive in a different cpu architecture and as I recall windows mangled the disk contents at boot. Thanks for any advice.