IN my pc, I have 2 GB ram.but it shows 1GB.why?

IN my pc, I have 2 GB ram.but it shows 1 GB.

Why?

Probably because half of the RAM is bad or badly installed.

Has your computer ever all of the 2 GB?  If so, what happened between the last time, he did and now?

Have you recently installed more RAM?

What is the brand and model of the computer?

How many sticks of RAM is installed: 1 x 2 GB; 2 x 1 GB; 4 x 512 MB; etc. ?

Please provide the following information:

  • Click Start > run > msinfo32 > OK
  • In the system information window, click Edit > select all, then edit > copy
  • Paste the data into your answer here

Go to http://www.crucial.com/systemscanner/ and download the scanner.  Run and report what it says on your RAM installed.
If you want to test your RAM:

If you have a CD player, download memtest86 + ISO http://www.memtest.org/#downiso and burn it to a CD using something like ImgBurn (free).  If your computer can boot from USB (probably, Yes for newer computers), you can instead download the installer for USB keys on the same Web page.  Then start your computer from USB or CD you created and run memtest86 + and see what he has to say.

If you prefer to use a test produces memory Microsoft, go to http://oca.microsoft.com/en/windiag.asp (you'll still need an application of iso burning, ImgBurn or cdburn.exe as suggested on the page Microsoft OCA).

Tags: Windows

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