BackTrack Dual Booting with Windows 8.1 || Black Screen After Startx Solved

Hello readers! Today I am posting this post because I have faced this problem recently while using BackTrack Linux. I made a bootable linux usb and booted using it. Everything went okay until I wrote the command "Startx" for entering GUI of BackTrack R3; my screen went blank/black. Not any GUI items were displayed, neither mouse pointer; any keys of keyboard was not functioning. I than directly turned off my laptop pressing power button for few seconds. I solved the problem.
I installed the BackTrack and loaded my BackTrack. But the problem arised again.

I than booted my laptop using "Ubuntu" and started to search it's solution too and I eventually found the solution to it.

SOLUTION:

Now, your problem is solved.
Thank you!
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