BSOD Win 7 64bit 3-5 times a day

how can i check if is defective ram???

i run the Advanced Memory Diagnostic Tool over night. it said no error found

Run Memtest86+ overnight and it should show the errors. If not, test each stick individually while others removed, to find the error.

Do u mean run individually in memtest86+??

i use both ram to run the memtest and it have some much error, but i dont know how i can i get the report out from the memtest

If memtest shows errors, this means the RAM is the culprit of your BSOD's so you need to replace it (or check RAM timings in bios).

To locate if it's one or both, you'll have to isolate them and run the test again.

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