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Unable to boot, repair or install from win 7 disk
Have used this disk many times with no problems. It works in another desktop. Have also tried, unsuccessfully, retail copies of XP and Vista.
Can boot, with no problems, from hard drive.
Downloaded new firmware for optical drive (Plextor PX-L890SA). Movies, music DVDs work fine in this drive.
Reset BIOS to default settings.
Set BIOS boot order to optical drive 1st.
At attempted boot, first screen displays the usual "Windows is loading files." After files are loaded, instead of the expected Language/Time/Keyboard screen, it goes to the rotating logo, then brings up the Windows 7 splash screen with an enlarged (like in safe mode) cursor. The same pattern emerges when trying to use XP or Vista disks
What's going on here?