My Toshiba Satellite L500?has a problem, it wont start it reaches the Windows Recovery page highlights Windows Repair NOT Start Windows Normally, then it brings a blue screen "..BIOS is not ACPI Compliant" N/B: Earlier I had ever replaced the hard disk and put the laptop on AND also the Keyboard is not responding (the NUM LOCK light flashes on start BUT even pressing F2or F12 brings a menu page but I cant move the Arrow keys) Many said it was the faulty charger or the old battery am using. Help me