proviews

My PC Specifications are LG FLATRON E700SH Intel Desktop Board D865GVHZ 2 x 512 MB RAM Lite-ON DVD RW SHW-1635S Segate SATA 250 GB Hard Disk I have connected my PC to Proview's 600VA UPS. But when Lights are gone, my PC gets turned off directly in a sec. then tries to turns on again...