Dell Studio 15 screen goes black on next switch on

I switch off my laptop properly as usual and after 2 hour switch on again but what I saw laptop screen Black completely.My laptop is a DELL Studio 1555. This happen to me earlier once wgen my original battery exhausted nad I replace it by a Compatible battery that time I got fix this problem by a laptop engineer but after six months battery again exhausted and as sudden I replace it with Compatiblr battery it happens again , i think its due to Battery ?

Please anyone help me out !!!
(I can't afford service charges this time)