Phone turns on, but nothing shows on screen

Replaced the top case - keyboard is barely working and acting weird

"Why is my temperature so high on my MacBook Pro Retina?" için yanıt

"My new Hard Drive is not recognizable anymore. But my old one works." için yanıt

"Do I need to be careful what memory to pick up when upgrading?" için yanıt

"nerf gun bullet hit my screen causing pastel stripes" için yanıt

"My screen it’s not working!" için yanıt

"iPhone 6s water damage replacement, is it too late?" için yanıt

"Help!Xbox 360 E won’t stay turned on." için yanıt

"No automatic Brightness adjustment after screen replacement of my mac" için yanıt

"Why does my phone not show app icons?" için yanıt

"Retina display is too dim" için yanıt