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#11
Thanks for keeping up with this, and for all your suggestions. I reformatted the drive into two partitions on Mac Disk Utility. The first partition is HFS+ (Mac OS extended), and the second is Ex-Fat. The option for NTFS appears unavailable. On reconnecting the drive to the PC it is still unrecognized, and Device Manager reports the same problem (no driver). Partition map is shown as GUID on Disk Utility. As the problem seems to be happening with different drives, Seagate, WD, and another (?), and is only on the Windows 7 OS, I am still wondering where the problem lies. Certainly it appears to me that the problem lies within Windows 7 on this PC. I have attempted to repair Windows 7, using the steps outlined on a sevenforums page, with both the original install disk and an ISO disk I burned (with IMGBurn) after downloading from Microsoft. In each case the instal fails with a message saying it encountered an unknown error and has to quit. I don't want to have to do a new install, as I have a lot of applications on this PC. (BTW-My use with Mac drives on the PC is primarily to burn CD and DVD disks from the archive drive, as it is far quicker on PC than the Mac. Also the MacBook Pro is a late 2008 model, so it may end up dying sometime and I need to have access to the archive resources.)