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RAM will sometimes not load

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November 22, 2010 6:33:09 PM

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.

More about : ram load

a c 111 V Motherboard
November 22, 2010 9:44:34 PM

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.
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November 23, 2010 11:32:56 AM

I am running 2 x 1gig. This is a Compaq Presario, AMD athlon.
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a c 717 V Motherboard
November 23, 2010 11:46:06 AM

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
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November 23, 2010 12:10:31 PM

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?
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a c 717 V Motherboard
November 23, 2010 1:14:23 PM

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.
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November 23, 2010 2:03:56 PM

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
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a c 717 V Motherboard
November 23, 2010 2:32:16 PM

What I have so far is that Kingston didn't list that module as 'compatible.'

Kingston - http://www.ec.kingston.com/ecom/configurator_new/models...

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=Presa...
"Each memory slot can hold DDR PC2700, DDR PC3200 with a maximum of 1GB per slot.*"
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November 23, 2010 3:38:30 PM

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

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a c 717 V Motherboard
November 23, 2010 4:36:07 PM

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! :( 
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a c 111 V Motherboard
November 23, 2010 10:50:10 PM

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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