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Aporte original por: Mubashir ,


My problem is little different.  Yesterday it was no display on my computer but after removing the battery to fix this problem.  I just found another problem that is, after sometimes of loading the operating system my screen disappear with different colors lines and dots. I tried it on Windows 7 and also Linux.  But the problem still the same.  Sometimes during the loading of home screen this problem arrives. And when lines arrives on my screen system is halted.  I can't do any work.  I must power off with long pressing the power button.  My laptop is lenovo u41-70 i7 4gb of ram with Nvidia 940. So please anyone guide me what to do?