![]() ![]() Step 2: Navigate to Windows Logs > System. You can test this the same way that WakeDemons3 did: rotate the ram sticks in different orders of slots, and notice that the pass still hangs on 21%, not (assuming two sticks of the same size) 71%. Find Memory Diagnostics Checking Results in Event Viewer Open the Event Viewer. ![]() again, I'm not saying that Extended runs ten different tests (i think it might be sixteen-ish actually), I'm just using "ten" as an example to show how the Percent Complete is calculated. Whatever test/pattern/algorithm is running when it shows 21% just happens to take a very long time. after the second out of ten is finished, it will report 20% done. After that, just boot from the USB drive, and you're off. Simply download the program from MemTest86's site and put it on a flash drive. If you only have time to try one memory test tool on this page, try MemTest86. zip folder you downloaded, and double-click on the. Size is no concern, as the actual files take up 180 KB of space. after one out of the ten tests/patterns/algorithms is finished, it will report 10% done. Memtest86 is a completely free, stand-alone, and extremely easy to use memory test software program. Download the latest version of the 'Auto-installer for USB Key (Win 9x/2k/xp/7)' from this link: Memtest86+ - Advanced Memory Diagnostic Tool 2. Let us say that Extended runs ten different tests/patterns/algorithms per pass (i can't remember how many it actually runs in Extended, but let's use ten to make the math easy). A pass using Extended just hits your ram with a few more different tests than Standard or Basic, but one of those extra tests takes what seems like forever, especially if you have more than 4GB. the entire amount of physical ram has been tested by most of the many different algorithms by the time it hit 21%. WMDT reports the progress of each pass in the same manor that Memtest86 does: 10% or 20% or 50% etc does NOT mean that 10% or 20% or 50% of the addresses have been tested. I also need to clear up a little misinformation as to how this tool reports its percentage complete. Note that this tool is built-in in the more recent versions of Windows. It can be used on all Windows operating systems and does not take into account the capacity of the latter. You just have to let it sit for many many hours, depending on how much ram you have and other factors such as the speed of your CPU and memory controller. Windows Memory Diagnostic is a tool for analyzing and optimizing the computer system. To be clear: if a pass using Microsoft's Windows Memory Diagnostic Tool seems to hang on 21% when running the Extended tests, it does NOT mean that your ram is bad (even though your ram MIGHT be bad). whatever test is running at that time just takes a long time to finish. ![]() I see that it has been more than a year since the original question was asked, but please let me clear some of the confusion up: This is normal behavior for this particular tool.Įven if your RAM is good, the "Windows Memory Diagnostic Tool" will very often, if not always, hang on 21% when running the Extended tests!!! But it is not permanently hung. ![]()
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