Memtest86 failing address

8,706

Solution 1

The error Memtest86+ shows signals that a bit was flipped by the memory when testing it, i.e., Memtest86+ set it to 1 and it was 0 when it read the value (or vice versa).

Problems with RAM are always serious, since flipping a bit in memory can cause pretty much everything to happen. The normal outcome is system instability, but with a little bad luck, you could also store a system critical file (or any other file that is important to you) in this part of the memory, modify it and overwrite the original file.

If you're overclocking the RAM, stop doing that. Take the modules out of the slots and re-seat them to be sure they're not loose. Run the test again and, if it fails once more, replace the defective RAM module.

Solution 2

First, try re-running to make sure it consistently fails (it probably will, given enough time). Then replace the memory modules (hopefully they are a removeable part on your laptop).

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Updated on September 18, 2022

Comments

  • user1885099
    user1885099 over 1 year

    I've been having some problems with my laptop recently. At first it started running slower until it started to just completely shut down without any error or warning. So, I started using diagnosis tools to try and find the problem. When I tested my RAM using Memtest86, I got this error:

    screenshot

    Is it a serious problem? What should I do?

    • Wayne Johnston
      Wayne Johnston about 11 years
      Although there is a good chance this is a memory problem as other answers state, its also possible the CPU is overheating and causing the problems. See superuser.com/questions/775/how-do-i-clean-dust-from-a-compu‌​ter.
    • Dennis
      Dennis about 11 years
      @WayneJohnston: That can certainly cause the computer to shut down, but it shouldn't cause the RAM to fail the memtest.
    • Wayne Johnston
      Wayne Johnston about 11 years
      @Dennis: I agree. Still, I don't understand how a memory problem would cause the computer to slow down. Maybe that's just a coincidence though. The shut down is certainly consistent with a memory problem.
    • Dennis
      Dennis about 11 years
      @WayneJohnston: We may have interpreted the question differently. If the computer has been running slow for an extended period of time, there are probably two unrelated issues.
  • user1885099
    user1885099 about 11 years
    I ran the test a few times, the red line appears each time after a few seconds from when the test starts. So, basically there's no fixing it, that module needs replacing?
  • user1885099
    user1885099 about 11 years
    I am not overclocking my RAM, at least not willingly. My bios is set on default factory settings. I'll try what you said.
  • tvdo
    tvdo almost 10 years
    I've actually had similar issues with memtest86+ not reading the SPD data correctly, as in the first image on this question (no, I wasn't overclocking my RAM, and definitely not at 4123MHz! [btw, the DDR3-2957 in this question means 1478 MHz; Double Data Rate RAM's number is double that of the clock rate]). Reseating helped in my case.