If it were me I would double check all cables and connectors, if you have a master and slave setup a cable or ribbon may have been dislodged from the other drive during installation. Also try setting both drives to cable select if thats an option
Huawei MateBook X Pro review
8 digital brands that designed custom typefaces to save millions
How to speed up a slow Mac
Comment résoudre des problèmes d’impressions ?