[sigmaxipi]

Note that the NewEgg's refusal is based on the original OS being missing rather than a new OS being installed according to that email. My guess is that the user formatted the HD before installing Linux. Most OEM PCs now come with a recovery partition which is used to perform a factory reset. If the user erased this partition, then NewEgg would be unable to reset the device to its initial state for testing. It would be similar to the user returning the device by not returning important CDs.