On Dec 13, 2004, at 10:14 AM, Lawrence Lesman wrote: > Can anyone tell me if it is normal to hear very low popping sounds - > you can > hardly hear it - coming from the Cube? I assume that that is the hard > drive. Also, I have a 20gb hard drive, can it be upgraded? You are probably referring to the sound made by the disk heads seeking. All disks make this noise but it is usually covered up by other noises (especially the blowing fans) emanating from the computer. -- Dan O.