I hope this goes here instead of the Windows 7 sub-forum. Please let me know if it belongs there instead. Purchased second-hand mid-2011 iMac 21.5, that the previous owner had overwritten with Windows 7. It doesn't appear he used Boot Camp or iPartition, but rather recklessly installed Win7 right over the top of everything: * mid-2011 iMac (21.5) * starts up as grey screen, Mac startup sound * No Apple logo * 5 seconds later, initiates Windows 7 * I purchased Snow Leopard install disc, installed Boot Camp on Windows, attempted to boot to Boot Camp, then directly from disc * Quickly learned MacOs is missing * The BootCamp mount merely repeats all of the above and goes to Windows * The direct-from-SnowLeopard-disc mount ("c" at start) did produce the black Apple logo and the dreaded 3 beeps, and nothing further I do have Apple OEM USB keyboard and mouse, but I don't have the iMac's original install discs, nor really anything other than the iMac itself. I do have a fairly old MacBook that has FireWire but not TBird. I have not tried target-to-disc yet, as my frustration level was high enough yesterday to walk away. This was a fairly inexpensive purchase, so I'm willing to try any suggestion. Thanks in advance from a new poster.