since my Toshiba laptop satelite 1800-750 HDD failed,the laptop has being experiencing Startup problem.I Changed the HDD,after a lot of trials,it started,and i was able to format it and install OS(win XP).But for the past 3 days the laptop has not been able to startup again.When i press the switch botton,the power indicator lights up ,but nothing shows up on the screen(i.e a blank screen).Am confused,can any one help me out..!