Laptop integrated graphics card malfunctioned

  burg23 18:11 20 Jul 2016

Hi, I have a 3yr old Samsung NP550C laptop. Yesterday, it slipped from my hands and had its screen broken. Now, i replaced the screen with a genuine LED, and monitor is working fine now. Thing is, its not detecting the integrated graphics card now. It was still detecting while it was cracked, means the fall did not damage the card. I reinstalled the driver, even slightly wiggled the card, but it didn't help. Any suggestions!! Specs: Samsung NP550C Card: GT-650m

  Fruit Bat /\0/\ 18:18 20 Jul 2016

If it's working Ok off an external monitor then you graphics chip is OK.

If screen not coming on then

  1. bad screen
  2. bad connection to screen (ribbon able)
  3. backlights (leds ) not connected
  burg23 18:44 20 Jul 2016

Haven't checked via Display Port but on HDMI, picture comes fine on the monitor. Thing is it keeps on showing Code 43 on device Manager. Its not the issue on windows 10 as my Ubuntu also doesn't detect the card.

  Fruit Bat /\0/\ 19:53 20 Jul 2016

sounds like screen data (ribbon cable) not connected properly

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