I would make sure all connections are secure tightly and well connected. Also make sure all outer connections like the connection from the monitor to the box is well connected.
Maybe the RAM sticks are not sitting tightly or check the cables to the hard drive that are well connected.
View page
The modern connections symbols are:-Internet,wireless
connections
View page
Transhistorical Connections are the connections of the past and the present in art, creating historical bridges.