bios version ? try recovery method with the file D830A13.hdr or older version.. how to get file.. dload the D830_A13.exe then drag n drop to a CMD window and add /writehdrfile with a space after the .exe then remove the _ in the name so it says D830A13.HDR put in USB fat or fat32 formated and plug inm to usb port ( not all ports work.. takes many tries also) use end key to initiate with no power or battery.. plug in power while holding END battery LED blinking= good it should be flashing it for about 2 minutes .. u have no battery in laptop while doing this.
because win7 check time and date if not correct error install ,win xp does not check any thing goes,when i try to get it okay that were my bios password start