Hp pavilion dv7-4171us not booting. blinking lights

Hi, I'm unsure as to whether I'm posting this in the correct section. My problem is the following: My computer doesn't turn on. (It was working fine last night.) I can hear the cooler, but nothing else. The caps lock blinks once, and F12 is on all the time. I read that that particular way of blinking means "CPU not functional", but I have no clue as to what to do with that information.  I checked on the forum, and though I found the same problem, it was a different PC and the problem was not solved. I would like some help, and instructions on what to do. Thanks.Sol

Maybe... it depends on exactly why the drive has failed and how far gone it is.
You may be able to find an adapter that plugs into the sata hard drive and into a USB port on your laptop. Maybe TigerDirect.com or Ebay? Once you have the new hard drive installed and the operating system back in place, you can plug it in and try to access the drive through Windows Explorer.
If this doesn't work, and depending on how badly you need the files, you can download something like Hiren's Boot CD which has a number of tools in it that may allow you to access the data, but that may require a significant amount time and effort to understand and use the tools properly.

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    Enter BIOS setup by tapping/holding the F10 key immediately after powering on the laptop.Use Diagnostics to test your hdd.
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    Although I am an HP Employee, I am speaking for myself and not for HP.
    Make it easier for other people to find solutions, by marking my answer “Accept as Solution” if it solves your problem.

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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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    Hi and welcome to the forum!
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    http://pcsupport.about.com/od/operatingsystems/ss/instxprepair1.htm
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    Maliha (I don't work for lenovo)
    ThinkPads:- T400[Win 7], T60[Win 7], IBM 240[Win XP]
    IdeaPad: U350
    Apple:- Macbook Air [Snow Leopard]
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    Reminder: Please select the "Accept as Solution" button on the post that best answers your question. Also, you may click on the white star in the "Kudos" button for any helpful post to give that person a quick thanks. These feedback tools help keep our community active, so you receive better answers faster.

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    Hello Todd_in_LA,
    Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
    I have read your post on how you are attempting to boot to an external monitor, and I would be happy to guide you towards a resolution!
    Based on the information provided in your post, I recommend contacting our technical support at 1-800-474-6836. If you live outside the US/Canada Region please click the link below to get the support number for your region.
    http://www.hp.com/cgi-bin/hpsupport/index.pl
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    MechPilot
    I work on behalf of HP
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    Dear Apple-Friends! Dear Imola!
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