Monitor - No Signal message
My PC worked for years, switched it off last night and this morning have No Signal message , PC tower starting as always no warning bepin nothing , checked inputs wiring ( use different wire and different type of connection) then different Monitor.
Then swapped Graphic card ( borrowed on from my brother PC) and it worked , then ... Decided to check my graphic card in my brother PC and it worked ? So placed it back in my PC and again No Signal message ... So next swapped Graphic card with my cousin PC and again his work in my PC and mine in his , so placed it back in my PC and Again No Signal ... Fans work on it control light is on ... Have ( strix GTX780 6GB OC , My brother have GTX 970 and my cousin Radeon card) Not understand what going on ?