Question No display no beep after clean up the gpu

Dec 25, 2019
1
0
10
Hello , after i clean up the gpu the monitor cant display anything , by the way evry thing is working except the beep sound on the begining , also keyboard not working to , before this happend usb disque was wo4king sometimes and sometimes dont , and when the pc was working and power it off the MB still have a n orange light .
Specs :
Gtx 960 strix 2gb
MB : Asus b150m a d3
RAM : patriot 8gb
HDD 1 TB
PS 450w
Cpu g4560