![Pc boots and everything working but display not showing anything and keyboard and mouse not lighting up, just upgraded my i3 9100f to a i5 9400f and ram to 16 go from Pc boots and everything working but display not showing anything and keyboard and mouse not lighting up, just upgraded my i3 9100f to a i5 9400f and ram to 16 go from](https://preview.redd.it/2zosveg9uj781.jpg?width=640&crop=smart&auto=webp&s=92fc668995df977fa65c213a4dc9e1c58f652d5d)
Pc boots and everything working but display not showing anything and keyboard and mouse not lighting up, just upgraded my i3 9100f to a i5 9400f and ram to 16 go from
![Question - My screen shows vertical lines, PC stops functioning in the middle of gameplay | Tom's Hardware Forum Question - My screen shows vertical lines, PC stops functioning in the middle of gameplay | Tom's Hardware Forum](https://forums.tomshardware.com/proxy.php?image=https%3A%2F%2Fi.imgur.com%2FJxtl4LC.jpg&hash=9295c27a201039e1780d2364622e6851)
Question - My screen shows vertical lines, PC stops functioning in the middle of gameplay | Tom's Hardware Forum
![Pc is starting but display says no signal... ... When i press the Power button of cpu . The cpu starts but display says no signal.and .. I.. have tested my monitor Pc is starting but display says no signal... ... When i press the Power button of cpu . The cpu starts but display says no signal.and .. I.. have tested my monitor](https://external-preview.redd.it/F-hMP8BHaxyyB5_a1pIwNpPrt4mmEB0XyInE53qyCcE.png?width=640&crop=smart&format=pjpg&auto=webp&s=1de8eba1630db8e4073ccb0535312c20d1c2fd6e)
Pc is starting but display says no signal... ... When i press the Power button of cpu . The cpu starts but display says no signal.and .. I.. have tested my monitor
![Help! Black screen, not working keyboard and mouse when pc starts. Everything is plugged in and got a brand new CPU too! [more info in the comments] : r/pchelp Help! Black screen, not working keyboard and mouse when pc starts. Everything is plugged in and got a brand new CPU too! [more info in the comments] : r/pchelp](https://external-preview.redd.it/LzXTVbVeL5Y1pFOJ4HdL60Y1hegT4WqQQ5CabLGjXSg.png?width=640&crop=smart&format=pjpg&auto=webp&s=6cea8f01c51778c1052f7131a72d179a7788fe60)