I've been using parallels desktop all along, and I just installed a newer version of parallels on my Mac. At the welcome page, I chose import virtual machines, and the existing files are backed up and converted successfully. But I am not able start up microsoft windows. At start up, it said that: Trying to boot from CD-ROM drive... failed. Trying to boot from Floppy drive... failed. Trying to boot from Networking... Intel UNDI, PXE-2.0 Copyright (C) 2007-2008 Parallels Inc. Copyright (C) 1997-2000 Intel Cororation Client MAC ADDR: 00 1C 42 C7 4B 7B GUID: 9F2215EA-92A5-46BD-B92D-6710C8CA95D5 PXE-E53: No boot filename received PXE-M0F: Exiting Intel PXE ROM. No boot device is available, press Enter to continue. What boot device do I need, please give me a hand! Urgent~ Thanks in advance!