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Window XP Phys Mem query


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#1 fogoflyer

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Posted 17 April 2010 - 04:45 PM

My system is Windows XP Home Edition SP3

Windows Sys info tells me I have 1024mb of Phys Mem which is correct. My Notebook had originally 512mb and I added another 512 MB. Recently I checked my Sys info with Glary Utilities and it say I have 512mb of memory. I rechecked with XP Sys info and it says 1024mb.
I have some recent problems with malware recently and used combofix to correct the situation. Is it possible one on my 512 chips has become inactive? My windows has become very sluggish lately and freezes a lot when overworked, which is unusual. Is there any utility that I can used to verify or correct the situation?
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#2 keyboardNinja

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Posted 17 April 2010 - 05:19 PM

You should not be using Combofix unless instructed to do so by a Malware Removal Expert. It is a powerful tool intended by its creator to be "used under the guidance and supervision of an expert", NOT for general public or personal use. Combofix was never meant to be used as a general purpose malware scanner like SuperAntispyware or Malwarebytes' Anti-Malware. Using this tool incorrectly could lead to disastrous problems with your operating system such as preventing it from ever starting again. Please read Combofix's Disclaimer.


If you have 1024MB installed, you're using 1024MB. A stick of RAM cannot become "inactive". I do not know the credibility of "Glary Utilities" (never even heard of it), so I can't tell you why it says 512MB (except that it's just wrong).

Slow Computer?

After a search for Glary Utilities, it appears to be another "snake oil" optimizing program..something that is not recommended here at BC.

Bleeping Computer DOES NOT recommend the use of registry cleaners/optimizers for several reasons:

Registry cleaners are extremely powerful applications that can damage the registry by using aggressive cleaning routines and cause your computer to become unbootable.

The Windows registry is a central repository (database) for storing configuration data, user settings and machine-dependent settings, and options for the operating system. It contains information and settings for all hardware, software, users, and preferences. Whenever a user makes changes to settings, file associations, system policies, or installed software, the changes are reflected and stored in this repository. The registry is a crucial component because it is where Windows "remembers" all this information, how it works together, how Windows boots the system and what files it uses when it does. The registry is also a vulnerable subsystem, in that relatively small changes done incorrectly can render the system inoperable. For a more detailed explanation, read Understanding The Registry.

Not all registry cleaners are created equal. There are a number of them available but they do not all work entirely the same way. Each vendor uses different criteria as to what constitutes a "bad entry". One cleaner may find entries on your system that will not cause problems when removed, another may not find the same entries, and still another may want to remove entries required for a program to work.

Not all registry cleaners create a backup of the registry before making changes. If the changes prevent the system from booting up, then there is no backup available to restore it in order to regain functionality. A backup of the registry is essential BEFORE making any changes to the registry.

Improperly removing registry entries can hamper malware disinfection and make the removal process more difficult if your computer becomes infected. For example, removing malware related registry entries before the infection is properly identified can contribute to system instability and even make the malware undetectable to removal tools.

The usefulness of cleaning the registry is highly overrated and can be dangerous. In most cases, using a cleaner to remove obsolete, invalid, and erroneous entries does not affect system performance but it can result in "unpredictable results".

Unless you have a particular problem that requires a registry edit to correct it, I would suggest you leave the registry alone. Using registry cleaning tools unnecessarily or incorrectly could lead to disastrous effects on your operating system such as preventing it from ever starting again. For routine use, the benefits to your computer are negligible while the potential risks are great.


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#3 Broni

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Posted 17 April 2010 - 05:39 PM

What Windows tell you is true.
As Ninja said, don't rely on 3rd party tools, when simple reading is available from within Windows.

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#4 cryptodan

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Posted 17 April 2010 - 05:39 PM

Is the RAM compatible with your motherboard?

If your PC only supports say PC2-5300 RAM and you buy PC2-6400 ram then the PC2-6400 RAM will not work.

#5 OldPhil

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Posted 17 April 2010 - 06:05 PM

Down load and run MemCheck86, it could be as simple as one stick went bad. If MemCheck shows anything at all then one stick is shot you will have to test each one independently.

My Boo Boo Memtest86 was no thinking!

Edited by OldPhil, 17 April 2010 - 08:47 PM.

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#6 cryptodan

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Posted 17 April 2010 - 06:09 PM

Down load and run MemCheck86, it could be as simple as one stick went bad. If MemCheck shows anything at all then one stick is shot you will have to test each one independently.



I would recommend http://www.memtest.org

Edited by cryptodan, 17 April 2010 - 06:09 PM.


#7 keyboardNinja

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Posted 17 April 2010 - 06:12 PM

***** A. If you have more than one RAM module installed, try starting computer with one RAM stick at a time.

NOTE Keep in mind, the manual check listed above is always superior to the software check, listed below. DO NOT proceed with memtest, if you can go with option A

B. If you have only one RAM stick installed...
...run memtest...

1. Download - Pre-Compiled Bootable ISO (.zip)
2. Unzip downloaded memtest86+-....iso.zip file.
3. Inside, you'll find memtest86+-....iso file.
4. Download, and install ImgBurn: http://www.imgburn.com/
5. Insert blank CD into your CD drive.
6. Open ImgBurn, and click on Write image file to disc
7. Click on Browse for a file... icon:

Posted Image

8. Locate memtest86+-....iso file, and click Open button.
9. Click on ImgBurn green arrow to start burning bootable memtest86 CD:

Posted Image

10. Once the CD is created, boot from it, and memtest will automatically start to run.

The running program will look something like this depending on the size and number of ram modules installed:


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It's recommended to run 5-6 passes. Each pass contains very same 8 tests.

This will show the progress of the test. It can take a while. Be patient, or leave it running overnight.

Posted Image

The following image is the test results area:

Posted Image

The most important item here is the “errors” line. If you see ANY errors, even one, most likely, you have bad RAM.
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