OK I got a hp pavilion a1034n and I got new memory from newegg.com and use their Memory Configurator System Tool and I got G.SKILL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 533 (PC2 4200) System Memory bought 2 of them so thas 4GB and when I put the 3rd stick in I heard a sound like when a light bulb burns out I didn't have the comp pluged in at all I don't know why it would make that sound now my monitor says no signal :*( help me