Hello.. I’m new in here.. I have several problems in my pc.. I got many BSOD’s, never the same and never in the same time.. I have a: AMD 3800+ Asus A8N SLI SE Asus 6800GT Philips 190s6 I have 1Gb, kingston.. I have formatted my disk 7/8 times.. And i change my psu to a LC POWER 550W DUAL RAIL 24P REV2 PCIe I've run memtest and passed.. I got many BSOD's, one's i don't have a file, others refers to nv4_disp.dll, others to win32k.sys, ones are page fault, others irql.. This problem have started 6 mouths ago.. I install the all drivers of my mobo and graphics drivers.. What should I do? Help me please P.S.: I’m Portuguese, sorry about the mistakes..