Recently i reinstalled my XP and when i tried to install the Motherboard softwares i installed BIOS -related software and i clicked on flash button then the system went to standby mode in which the cpu was on but monitor and keyboard were not working i waited for few minutes then i tried to restart but it didn't work. i then switched off my ups and when i switched on it was same condition. i think i flashed my bios. now nothing works.pls advise how to resolve this problem BIOS details-- 686AMIBIOS DO51 0450

Give us the exact motherboard manufacturer and model number or model number if a manufactured system like hp or dell. Skip

My mother board is 945 GCT M2/1333 with intel chipset in it. My computer is an assembled one.

Intel 945GC & ICH7, DDR2 RAM, Micro ATX, Graphics card, Sound card, Network card, Form factor: Micro ATX, CPU Type: Intel Core2 Duo/Pentium D/4/Celeron D, Number of CPUs: Single, Socket: Socket 775, Front side bus: 1333 MHz MH