I am using Ubuntu (single boot) for 3 years without any major problem. But now I am facing a problem. My laptop is not booting in Ubuntu 16.04 LTS OS.
When I push the start button, then nothing comes on screen. After pushing any button, then GNU grub window comes & the cursor jump to the fourth line * Memory test
.
By pushing upper arrow, set cursor on Ubuntu & push, then the below command line appears:
After waiting for long time same thing exists without booting. By pusing start button I can power off the laptop. Now how can I boot my laptop?