windows slow load

Hello! I have a issue pointing towards my ssd, i have created a thread about my issue before when i thought it might be another component. But now when i tried everything works fine untill after the login screen, the start screen. Where all the autostart programs and etc start up. My computer...

specs are as follows CPU AMD 6300fx mobo gigabyte GA 970A DS3P GPU: Radeon R7 260x psu : 500W VIP when i install the drivers, and reboot, the screen goes blank just after the windows symbol appears, I have tried a different motherboard , screen and have replaced the Graphics card . But still i...