I have Windows 8.1 installed in a SSD as AHCI. I installed Windows without any other hard drive connected to the MB. I have my old hard drive of 1TB with Windows 7 installed in IDE mode. I connected this hard drive into my new PC, but Windows doesn't recognize it. I know that it's possible to change IDE to AHCI without having to reinstall Windows, but I want to know if I'll be enable to see this hard drive on my new PC.
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There are tons of questions on how to switch it.– RamhoundMar 8, 2015 at 2:26
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I think the question is if i convert my old HD into windows 7 for work in AHCI the new PC with works in AHCI will recognize this old HD that have windows 7 installed, i just wants to get the files e clean the old HD.– Pedro GelliMar 8, 2015 at 2:34
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1 Answer
Disconnect the SSD and connect only the HDD. Now go into the BIOS and change the SATA Mode to IDE. Now boot the Windows 7 (in IDE mode) and run this FixIt to configure loading AHCI drivers.
Now shutdown Windows 7, go to the BIOS and enable AHCI again. Now you can also connect the SSD again and select in Bootmanager of the motherboard (F11 or F12) which Windows you want to boot.