Windows 7 PC freezes frequently with hard disk light constantly on

Posted by Senthil on Super User See other posts from Super User or by Senthil
Published on 2011-02-08T15:15:02Z Indexed on 2011/02/08 15:27 UTC
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windows-7

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freeze

I recently replaced a defective hard disk with a new one - Windows 7 - "A disk read error occured. Press Ctrl + Alt + Del to restart"

I have been using the new hard disk with a Windows 7 installation for about 4 days. Now it has started freezing frequently. Sometimes every 2 minutes and sometimes every 10 seconds.

There is lots of software installed - I am a developer and my PC is full of IDEs, database servers, web servers, developer tools, testing tools, all browsers etc..

My windows is up to date as of now. I have installed ALL updates including optional drivers etc. All my installed software is up to date.

I scanned my computer using Microsoft Security Essentials and found nothing malicious.

I did a chkdsk /r and found no problems.

I did a memory diagnostic and found no problems.

When I go into safe mode, it doesn't freeze and I am able to use it normally for longer periods of time.

What other steps can I take to locate the problem?

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