I have this with my win 7 machine. Ione of my computers stops as it's being started. as it is coming up, in the upper right of the screen is: F1 setup F2 boot menu Leting it continue, it stops with a black page with among other text: Drive-1 Serial ATA SATA-1 not found Drive-2 Serial ATA SATA-1 not found Drive-3 Serial ATA SATA-1 not found Drive5 -1 not found Strike F1 to continuee Strike F1 to run setup Clicking F1, it resumes without issue until the nexr start or restart. I'm concerned beause I recently purchased this refurbished machine. Hopefully you can help?