Memtest86+ is a fork of Memtest86.

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3
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1answer
1k views

Why are the failing addresses in Memtest86+ higher than my total memory?

Context Feel free to skip this section. I ramble a bit. This is a desktop computer. My motherboard is a MSI P67A-C45. The two memory modules are 4GB DDR3-1333 in DIMM 1 and DIMM 3, dual channel. A ...
14
votes
2answers
14k views

How can I determine which RAM module is failing Memtest86?

One or many of the memory cards out of total 4GB (4x1GB) are failing. The following is memtest progress screenshot. It is always pointing to memory at 19xx MB and 50xx MB. Error bits are always ...
1
vote
1answer
1k views

Installing two RAM sticks causes problems; using only one of them doesn't?

I have 1GB RAM in my machine - two 512MB sticks. When I run Windows Memory Diagnostics with both memory sticks installed it reports errors. If I install just one stick then there are no errors at all. ...
39
votes
3answers
45k views

How do I interpret the statistics of a memtest run?

I have a notebook here that I suspect has a faulty memory module. I therefore downloaded Memtest86+ and let it run. Note that the screenshot is not my actual one, it's provided by memtest86+ How ...
6
votes
1answer
2k views

how long would memtest86 take to run in these cases. and would it ever go on indefinitely?

How long would memtest86 take on a P4 2GHz 512MB RAM? What about a Pentium M 1GHz 512MB RAM? I recently tried it on the latter, and saw it had 2 progress bars at the top one said "pass" and goes ...
5
votes
3answers
4k views

What to do when machine fails a Prime95 stress test?

In an effort to diagnose the cause of random resets and freezes I have been running a series of stress tests on my two year old computer. Thus far the machine has passed nine hours of the Prime95 ...
1
vote
1answer
413 views

ECC errors, no Mem Test Errors

I recently purchased an HP XW6400 workstation (Dual CPU, Quad memory channels) Along with the computer I purchased 2 sticks of RAM that are the same brand and look, but not matching (numbers and ...
0
votes
1answer
1k views

Do these memtest86 results indicate a defective memory module?

I just ran memtest86 and I received these results (the picture is from the 4th test of the second pass): Obviously something really bad is happening. I guess that red row should not be there. Also ...
0
votes
2answers
901 views

memtest86+ error explosion, and then nothing

Over the last two weeks my desktop has seemingly all of a sudden become noticeably less stable: frequent BSODs (all with different error messages but all of which were related to memory), difficulties ...