memory loss

  mobileman1953 18:05 11 Aug 2006

hi all i have 512mb of ram in my machine which shows up as 512mb when i start my machine, but when machine has been on for a hour or so when i check the memory it only shows as 384mb , anyone any ideas how to free up the other 128 mb thanks any ideas welcome

  Diemmess 18:19 11 Aug 2006

Integral video on the motherboard is one common use for "missing" RAM.

  Diodorus Siculus 18:20 11 Aug 2006

I'd agree with Diemmess - if you have onboard graphics of 128mb, then that is where the missing 128mb has gone.

Right click on my computer and see what it says under properties.

  mobileman1953 18:25 11 Aug 2006

when i click on my computer properties it says 384 mb of ram, i do not have on board graphics i have an agp graphics card fitted

  mobileman1953 19:13 11 Aug 2006

any body else any ideas

  gudgulf 19:40 11 Aug 2006

Could we have somr more information please?

Like is the RAM 1x512 or 2x256 sticks....and what graphics card have you got in the AGP slot.What is the make/model of the pc?

The fact that it is 128MB that goes "missing" is highly indicative of video use,but could also be that one bank of 128MB is faulty and not being recognised by the PC as it warms up with use.

Try running Memtest click here

This version runs under Windows....start it running when the pc is just switched on and let it run for a couple of hours or until you are sure it will be reporting 384MB then stop it and check the will see if any of the memory is giving errors or not.

Might also be a good idea to physically remove and reinsert the RAM sticks to make sure theys are properly seated in their slots and that the electrical contacts along their lower edges are clean.

  mobileman1953 19:58 11 Aug 2006

system is self build via motherboard amd athlon 2200 chip 80gig hard drive 2x256 pc2700 memory nvidia gforce fx5200 graphics card win xp home

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