there is no display and I have to several restart

A_8___

Commendable
Jan 17, 2017
7
0
1,510
HI
I changed my Graphci card to 730 and when I turned pc on monitor says check the cable and there is no display and I have to restart tree times for display and I changed my power and still same ,. whats wrong what this pc?
after watching again I see keyboard not work too after restart I touch one of keys and screen comes.its like pc cant find devices .