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Windows 7 on new SSD. One HDD OK, 2 HDDs Windows can't start
I bought a 128 GB Samsung SSD. Connected it to the GSATA3_6 connector on my Gigabyte GA-P55A-UD4 MB.
Removed old C drive disconnected One HDD from from one of the SATA2 connectors.
Left with the SSD on GSATA3_6 and a HDD on GSATA3_7, I managed to recover a system image to the SSD (drive C:).There were some problems with drive letters which I solved. Windows worked OK.
When I reconnected the second data HDD to one of SATA2_0 through SATA2_5, I first got an error: Cannot read disk. Windows wouldn't boot.
Tried a lot of options with diskpart.exe, bootsect.exe etc.
Windows will change the drive letter of my SSD, I loose my boot manager and everything goes wrong.
Finally got Windows working again with just the one HDD.
Anything to do with the SATA port numbers? I remember that the boot drive had to be connected to the IDE port 0 in the IDE days.
Any idea what goes wrong?