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My Laptop key is not working in GRUB menu. I don't have a dual-boot or USB keyboard attached.

I have searched : here , here or here but all the options are either for Dual boot system or for external usb [PS/2] keyboards but my system is a Laptop. *(so this question is not a duplicate!)

When my system starts it automatically shows GRUB (Advance Recovery) menu but no keys are working so how do I enter? + the FAN rotates heavily and after a minute my laptop shuts down automatically.

What do I do, please help?

Info : Sony Vaio C series, Ubuntu 14.04 x64 updated

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1 Answers1

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I got the answer myself! If anyone is facing the same problem then :-

  1. Use Page UP / Page Down to select any option.
  2. In my case it went to the last option in the list ( - Memory check)
  3. I opted for Memory Check and used 'Esc' to return to the GRUB menu
  4. Now the Up/Down arror key started working.
  5. PROBLEM SOLVED

My actual problem was ATI graphics card driver so I followed the amazing instruction in askubuntu post

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