HP 8740w WH279UA wont boot after Windows 7 Updates

Hi!
Thank you all for reading my case. I'm the happy owner of a HP 8740w, I have 20GB of RAM and 500GB hard drive. My litle monster has been working perfectly for the last year and a half.
My problem began last night while I was doing a fresh Windows 7 Pro Installation, I did this after installing Windows 8.1 on the laptop and I was not happy with the overall system performace. these are the steps I run before the computer stopped working:
1. Boot from Windows 7 Pro DVD
2. Delete/Create/Format hard drive
3. Computer Boot Ok
4. Installed Wifi Driver Ok
5. Downloaded all System Drivers from HP website
6. Installed all System Drivers
7. Reboot computer it showed 107 windows Updates to be applied
8. Computer Rebooted 2 times while configuring updates
9. Computer Failed to Boot
Now every time I boot the computer the Caps Lock and Num Lock leds Blinks 3 times, according to HP Web Site the 3 times blinking leds indicates Memory Chip failure, these are the steps i tried to troubleshoot the memory error:
1. Boot the computer with the combination of the 4 memory so-dimms, failed
2. Boot the computer without memory, failed
3. Boot the computer without memory, and without hard drive, failed
4. Boot the computer without memory, hard drive, and motherboard battery, failed.
I reallt don't understand how can this had happend to my laptop. Warranty ranned out on 2013 so i'm not elegible to request a replacement. any ideas?

Hi dgonzalezln,
Your Elitebook 8740w is a commercial product and to get your issue more exposure I would suggest posting in the commercial forums. Here is a link to the Commercial Notebook forum.
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP

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http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=c00033108
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http://h10025.www1.hp.com/ewfrf/wc/weInput?cc=us&lc=en
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http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&docname=bph07143
Contact HP:
http://www8.hp.com/us/en/contact-hp/ww-contact-us.html
Back up all your data on to an external drive.
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I work on behalf of HP
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
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mcwilliamsc wrote:
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