Question need system diagnostic help.

[ROBS79]

is there diagnostic software that will do a full system diagnostic like the old PC PITSTOP used to do? my graphics on my Beelink mini blinks off and on to a black screen lasting about a second.

 

[Endre]

is there diagnostic software that will do a full system diagnostic like the old PC PITSTOP used to do? my graphics on my Beelink mini blinks off and on to a black screen lasting about a second.

OCCT.