The first,I'm sorry for my bad english I flashed this BIOS with the Dell inspiron 1427 (BiOS Inspiron 1427 ver. A02. Mod Slic:mod by Busykid508).flash process successful but sometime my computer hangs suddenly, I want to dowgrade to older version (A00,A02 by manufacturer,not Mod) or make the computer run more stable please help me! ( i flashed my BIOS by WinPhlash.exe file, double click and run flash,my computer restart and Done. What's so wrong ?) Thanks!