windows memory diagnostics

Hi, my laptop had 10GB of DDR3 RAM (1x8GB and 1x2GB), but I had to remove the 8GB stick, because that stick gave me a lot of crashes even after swapping slots, but the laptop worked fine with only the 2GB stick inserted, so I assumed the 8GB stick was just done. I put another 2GB stick I had...

Windows memory diagnostic when set to extended test gets stuck at 10 percent overall status running testpast 1 of 2: 21% complete,already tried cleanboot still the same and have done memtest86 passed all the test, its been stuck for more than 24 hours does this mean faulty ram or i just ignore...