OneFunGenesis
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So was that located directly behind the head unit? And as mentioned above...did you clone the drives?
No. With the hard drive removed, the infotainment works just fine.
The hard drive is for navigation ONLY.
My theory is that due to the much lower random access times of an SSD, the initial startup of the navigation should be reduced as well as load the maps faster on the infotainment (smoother navigation).
Infotainment should remain at the same speed.
Linux has support for more filesystems than Windows or Mac. Also, there's a good chance the infotainment system is Android or Linux based (2nd gens are based off of Android, but I don't know about 1st gens), so Linux would be your best bet to read the drive. If you don't have Linux at home, you could download a distro (free) and boot from a CD or thumb drive. This would allow you to read the drive without installing Linux on your computer.