My wife has a Toshiba Satellite C855D-11U and I got an idea that I'll enhance its performance, so I bought a Kingston SUV500 120GB SSD. I put it into the notebook then after power on the TOSHIBA logo was shown for almost one minute. During this time I couldn't do anything but when I pressed the F2 or F12 after one minute, the notebook opened the boot menu / BIOS.
When I put back the original Toshiba HDD, the bootlogo appeared for 1-2 seconds and everything went fine. I noticed that the problem also exist when I don't use any SATA device.
The SATA mode in BIOS is AHCI, the USB Legacy is enabled.
What could be the problem?