Hi everyone !
I have a strange problem. I've just installed 10.9 on my AMD Athlon 64 x2 2.0 Ghz 2 GB DDR2 RAM. I have 2 SATA drives, one of 80 GB for OS X and another one of 500 GB for Windows 8.1 / Data. Everythings works fine but for an unknown reason, sometimes the second 500 GB drive suddend...