[CarlosPerez]

Today I tried twice to download Hirens.bootCD15.2.zip but in the two attemps the files appeared corrupted or incomplete, even when I followed the recommendation in the FAQ´s section to desactivate antivirus and retry.
I tried to do these downloads from another computer that uses Windows XP

Now regarding my hard disk manufacturer it is Western Digital according to a chat with the Gateway guys. In the page of tacktech there are many options to download. I guess the last one is the good one because is the latest and is for windows

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No, you want the first one which is a .zip file. When upzipped, it will be a .iso file you use to create a bootable CD from, the same as you did for memory test.

Data Lifeguard v11.2 for drives > 137GB (CD) (December 2006)

Then you boot the CD to run the tests.

[Ztruker]

No, you want the first one which is a .zip file. When upzipped, it will be a .iso file you use to create a bootable CD from, the same as you did for memory test.

Data Lifeguard v11.2 for drives > 137GB (CD) (December 2006)

Then you boot the CD to run the tests.

[CarlosPerez]

OK when I went to the link Data Lifeguard v11.2 for drives > 137GB (CD) (December 2006)takes me to the site of Western digital in the link http://support.wdc.c...8&sid=3&lang=en I found a file WinDlg_124.zip it is a windows based Data LifeGuard diagnostic.
Unzipped, ran and the results in extended mode was good for hard disk.

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[Ztruker]

Even though you have Norton, go to the Virus, Spyware, Malware Removal forum, read the first post and follow instructions.

Come back here once you get a clean bill of health if you still have problems.

[CarlosPerez]

I will. Going to start with the guide to remove virus, spyware and malware. Now, thinking on the kind of laptop I have and the intention from Windows to always make a memory diagnostic ¿Is there anywhere I can learn how to change the memory parts? It´s a Gateway NV57

[Ztruker]

Trun the laptop over. On the bottom will be two (or more) access panels. SOmetimes the one the memory is under is marked with a M. If not, unscrew each one and see what's there. The memory modules are 2 1/2" by 1/2" (roughly) and are easy to remove. There are two tabs, one on each side of the module. Spread them and the module will pop up a little so you can then slide it out. Reverse the process to replace them.

Video here:

It's for a NV55 but the procedure is the same.