RAM will sometimes not load

Sometimes when re-booting, my RAM does not load. I normally have 2gigs- running winxp. During these times my control panel/ system page tells me I have 512mb, then I re-boot and it is fine.
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More about load
  1. Welcome, Newcomer. What is your RAM configuration? Example: 2 x 1GB; 4 x 512MB, etc.

    Download MemTest86+ (.zip), decompress file, burn .iso to cd. Put MT86+ disc into computer. The test will start automatically and run until errors are found or stopped by you.
  2. I am running 2 x 1gig. This is a Compaq Presario, AMD athlon.
  3. BTW - Welcome to Tom's Forums! :)

    Please list the Model of Presario and the Part-Numbers of RAM; use CPUz to identify the RAM {see below}. Was the RAM working fine for a longtime and suddenly this is a 'new' problem - or what? Reason, if it's old RAM with new problem then it's either a bad DIMM slot {MOBO} or bad stick {RAM}. So IF you run Memtest and the RAM in slot #2 shows errors you don't know until you switch the RAM to a different DIMM slot and retest.

    If it is a 'new' RAM stick(s) and new 'problem' it too can be incompatible RAM.
    CPUz - http://www.cpuid.com/softwares/cpu-z.html
  4. I'll run these diag tools to see what is what. I added RAM in Feb. because I was having a sudden problem with apps not opening. That solved the problem, but now I'm thinking I may have originally had a different issue, not a low RAM issue. Could my MB be going bad?
  5. Again, "Please list the Model of Presario and the Part-Numbers of RAM..."

    Also, run MSCONFIG and select Diagnostic & Test. What's the results? Doubt is will result in anything, but if you have a BIOS invasive App it may resolve the issue.

    It takes a book to explain why I need the info other than as listed above.
  6. Thanks for all your help - compiling the info. Below is what I have so far.

    Presario sr1230nx

    Info for slot 1 and 2 RAM:

    Memory type DDR
    Manufacturer (ID) Kingston (7F98000000000000)
    Size 1024 MBytes
    Max bandwidth PC2700 (166 MHz)
    Part number F
    Serial number 72120790
    Memory type DDR
    Manufacturer (ID) Kingston (7F98000000000000)
    Size 1024 MBytes
    Max bandwidth PC2700 (166 MHz)
    Part number F
    Serial number 660AAAA4
  7. What I have so far is that Kingston didn't list that module as 'compatible.'

    Kingston - http://www.ec.kingston.com/ecom/configurator_new/modelsinfo.asp?SysID=20861&mfr=HP/Compaq&model=Presario+SR1230NX&search_type=&root=us&LinkBack=http://www.kingston.com&Sys=20861-HP/Compaq-Presario+SR1230NX&distributor=0&submit1=Search

    KTC-D320/512 {512 MB module}
    I don't know/find Part Number 'F' as being -> 'Listed' as compatible with Kingston. Therefore, I would submit a Ticket with Kingston {Lifetime Warranty} -> http://www.kingston.com/help/livesupport.asp

    DDR {Double Data Rate ; 166 x 2 =~ 333 MHz}

    Crucial - http://www.crucial.com/store/listparts.aspx?model=Presario%20SR1230NX
    "Each memory slot can hold DDR PC2700, DDR PC3200 with a maximum of 1GB per slot.*"
  8. I spoke to Kingston and they said I have RAM that is not listed as compatible with with DELL/Compaq/HP systems and Bestbuy just gave me (budget/cheap) RAM that would fit and not be necessarily compatible. The symptom of sometimes loading and sometimes not is consistent with that.

    I never would have thought that RAM could fit my system and still not be compatible, or I would have checked first.

    I am unable to get memtest to run, although I burned the .iso file to cd and put it in drive.

    I went to the ASUS website t find my mobo and had no luck doing that using the following info from the cpu-z text report:

    DMI System Information
    manufacturer Compaq Presario 061
    product PJ518AA-ABA SR1230NX NA440
    version 0nB1411CO101KELUT00
    serial CNH43708C8
    UUID E0A0F49B-6701D911-A921B498-B3732380

    DMI Baseboard
    vendor ASUSTek Computer INC.
    model Kelut
    revision 2.02
    serial MB-1234567890
  9. iamsce said:
    I spoke to Kingston and they said I have RAM that is not listed as compatible with with DELL/Compaq/HP systems and Bestbuy just gave me (budget/cheap) RAM that would fit and not be necessarily compatible. The symptom of sometimes loading and sometimes not is consistent with that.

    Yep, I said to contact Kingston and that's why I LOOK and LOOK-UP RAM, etc. Take the RAM back to Best Buy. Get the Crucial that I linked above.

    You cannot 'make' incompatible RAM work - period! :(
  10. iamsce said:

    I am unable to get memtest to run, although I burned the .iso file to cd and put it in drive.


    There are several ways to burn a disc; but only one way to make a disc bootable. The significance (and i'm sorry if this is redundant) burning the .iso as a disc image, rather than a typical data disc, is that the result will (if burned properly) will make the disc bootable. If you did a drag and drop method; or even right clicked and copied file to cd, you did not burn a bootable image.

    If you don't already have software that can burn disc images, you can download trial versions of: PowerISO, MagicISO, discjuggler, etc.
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