Black Screen On Startup

Dec 15, 2015

I have acer aspire 5740 laplop, core i3 ..... A problem occured extending c windows drive as described below. It have 3 local drives

c - 20gbboot primary drive
d - 90 gb system , primary drive
e - 50 gb logical

Some unallocated space, I was extending c ,by deleting drive d ,at the deleting drive it, gives warning, that if you delete drive d , may your system not get start, i deleted, sudden restarting windows, displaying operating system not found, i tried to install new windows, no booting, after 2 trial, it showing black screen , i have tried some soln as per knowledge ram reset, ms dos boot usb drive. but nothing happened, laptop get normal heat, felt like hardrive boot.

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