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Windows 7: Win 7 x64 Crashing on idle

13 Jan 2011   #11

Windows 7 Ultimate 64


First of all, I appreciate your assistance and your time very much.

I am on the 6th pass of my last 2G memory stick with no errors. BUT, on the first memtest with all four sticks in I had errors.

Now I am not sure what to do. They cannot work together?
I will next put in the first two sticks and run more tests. Is this type of thing common?

I can run on 4G because I am not doing anything intense these days, but I also will just buy new RAM. It seems silly to throw out something that is good though.

I was really hoping that one of these sticks just erred immediately.
Thanks for any suggestions.


My System SpecsSystem Spec
14 Jan 2011   #12

Windows 7 Ultimate 32 bit

When Memtest shows errors with all the sticks it can be any of the following: one or more bad RAM sticks (which you have pretty well eliminated), a bad RAM slot on the motherboard, incompatible RAM (mixing type or brands of RAM; the sticks should be the same brand model, etc), RAM incompatible with the motherboard, bad memory controller (motherboard), failing PSU, voltages/timing not properly set.

Your next step is to take a known good stick of RAM and test each slot with it - seven passes minimum. If all of your sticks pass and you have no bad slots on your motherboard, I will get the hardware Gurus to take a look at this thread.I am, by no means, and expert on RAM, voltages, timing etc.

The hardware Gurus will be wanting some information from you. They will want CPUZ, Mainboard, Memory, and SPD tabs to be posted when any RAM issues are being looked at.

This gives everyone the basic info, Mainboard for the motherboard though the revision is usually not listed, on occasion wel find the wrong mobo in their specs. Memory tab can indicate wrong OC attempts or wrong settings, confirmed by the SPD tab which is the JEDEC settings for the RAM. JEDEC is the industry standard that the RAM manufactures use to get stable settings for default.

They will also need
the voltage settings for the CPU, RAM and NB or equivalent. NB or memory controller is important. CPU voltage is listed on the CPU tab, RAM voltage is listed but it's not the actual voltage; it's the recommended voltage.

3 Step Overclocking Guide Bloomfield and Gulftown

The link above will give some good general info on CPU, RAM and various NB adjusting/testing. Most CPUs series and all motherboard brands overclock differently and each individual CPU will also OC differently, it's a bad idea for any OP to get some numbers from someone and just plug them into their computer.

Small OC's, say from 2.8 MHz to 3.0 MHz, will be fairly generic but, cautious steps still need to be done. It's the same with making adjustments to get stable RAM settings.

The CPUZ memory tab will tell us if the poster is OC'ing the RAM or anything else. For stability troubleshooting ask the poster to return everything to Optimized defaults.

My System SpecsSystem Spec
25 Jan 2011   #13

Windows 7 Ultimate 64
Solved...I think...and only hope.


Thank you for all of your assistance. You have been a tremendous help in troubleshooting my computer issues.

I ran all of the memory tests as you suggested. No errors until all four sticks were in together, then many errors. My first thought was that if all four sticks are good, it must then be the motherboard and the ram slots. A depressing thought since I have simply been putting up with this for well over a year and way beyond any warranty.

I decided to search the MB website (MSI) and found an obscure posting in a troubleshooting forum stating that 4 sticks will require slowing down the RAM from 1333 to 1066. Who knew? I don't even know what that means, but I went into BIOS and changed the RAM setting and haven't crashed in about four days. (I had to say it didn't I?....) I guess my RAM is running slower but who notices? I am not an overclocker.

Knock on wood. My fingers remain crossed, but things are looking up.

Thanks again for all of your help. It has been greatly appreciated.
My System SpecsSystem Spec


 Win 7 x64 Crashing on idle

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