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HP DV6917cl Pavilion laptop Quicklaunch lights will not turn off

HP Pavilion Laptop. Took it apart to check out the fan beucase it seemed to be overheating. Put it all back together and everything worked perfectly with the exception that the Quick Launch touch pad buttons would not turn off while the rest of the laptop was powered down. They stay on while either the battery is on or the charger. I am out of ideas. I double checked the ZIF cables to make sure they were inserted properly. I even pulled it all apart to make sure I didnt miss any cables or screws. I am going to try to put it back together again with the hopes that maybe it was a grounding issue and maybe one of the screws was misplaced. At this point though, I have no clue what the problem could be.
Like I said, the laptop is in pieces right now. All I have hooked up is the power module, the quicklaunch/power button pad and it is still saying on for whatever reason which probably means it is not a cable in backwards or something. At this point it is an inconvienance, but it is not my laptop, it is someone elses, so I would rather not have to return it with this problem.

Thanks for your help.

Also the computer turns on if you press the quick launch buttons.

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  • Aaron Fox
    Aaron Fox Feb 09, 2010

    Im not, its already off, the battery is pulled and the power cord is off. When I do want to shut it down, I hold the power button for 5 seconds. The hard drive is not installed so its not like windows will become corrupt or anything.

  • Aaron Fox
    Aaron Fox Feb 09, 2010

    Quote "...the ribbon (zif) cable itself was crushed and needed replacing.
    Inspect the cables."

    That was my thought too, after carefully inspecting the zif cables, I ordered 1 new one. The lanes of conductive metal were either missing or out of place. Not in any huge way, just the tips, but enough to be concerned. I should have the new one by the end of the week.

  • petertrast May 11, 2010

    Sounds like it is sleeping. How are you turning it off?

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  • Master
  • 4,806 Answers

Hi,

From what i can remember with HP laptops there are two ribbon cables that rup up the left hand side of the laptop which both look the same. One to the power button the other to the LED's and hot keys on the keyboard bezel (plastic strip that runs above the keyboard)

You may have accidentally used the wrong cable in the wrong slot. Try reversing the cable. power on and see what happens. You can also try to switch ends to see if that helps.

Let me know if there is anything else.


Regards.


Posted on Feb 08, 2010

  • Lee Hodgson
    Lee Hodgson Feb 08, 2010

    Also, Check all connections on the motherboard, make sure the ribbon cables are the right way round and that they are pushed into place straight and clipped in tight. You may have to repossition the cables and mess with them to get it right.

    Good luck.

  • Lee Hodgson
    Lee Hodgson Feb 09, 2010

    Just a thought but i had a HP laptop once where it had a similar problem to yours. I found that the ribbon (zif) cable itself was crushed and needed replacing.
    Inspect the cables.

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