Hello. Someone can help me to solve this problem. I must do enable ahci on my notebook Sony Vaio E VPCEB1E8E/WI because my SSD have a problem ("No OS found" message at startup many times). The bios is an AMI... Link to the bios on the Sony web support EU (I can't link website because I haven't 20 messages). Thanks for help. Regards. PS : sorry if I wrote some mistakes, I'm French.^^