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HP DV7 erratic turn on

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    #1

    HP DV7 erratic turn on

    Hello Gurus. I currently have one of these laptops that is very finnicky about turning on. There is no rhyme or reason to it. One day it may turn on and another day it may not. I need some suggestions as to what may be causing this. This laptop does have the AMD Turion Ultra cpu. I would actually prefer it to be dead as it is easier to troubleshoot that way than randomly acting up. Thanks for all your help.
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    #2
    Re: HP DV7 erratic turn on

    nvidia gpu?

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      #3
      Re: HP DV7 erratic turn on

      And by turning on you mean what? No reaction to power button? Turns on but no picture?

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        #4
        Re: HP DV7 erratic turn on

        Thanks for the timely responses. It does not have the nvidia gpu. The turn on problem is no reaction to the power button. Runs fine when you get it to turn on but the problem is convincing it to turn on. It has a mind of its own. Does not matter whether the laptop is hot or cold.

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          #5
          Re: HP DV7 erratic turn on

          Power button itself may function poorly. When it does not turn on, any other signs, does it show battery charging light, adapter connected light? How is the battery? In working condition?

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            #6
            Re: HP DV7 erratic turn on

            Everything seems to be in place. The battery is charging and the adapter connected light is on. The battery works fine.

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              #7
              Re: HP DV7 erratic turn on

              Check the button (maybe cable that goes to the button).

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                #8
                Re: HP DV7 erratic turn on

                Yeah sounds like a bad power switch possibly. Personally I would try shorting the power on terminals to see if it starts more consistently (though obviously be very careful)

                Also check voltage at the power switch, when not pressed and when pressed and not booting.
                Dell E7450 | i5-5300U | 16GB DDR3 | 256GB SSD

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                  #9
                  Re: HP DV7 erratic turn on

                  check the power i. too

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                    #10
                    Re: HP DV7 erratic turn on

                    First signs of the dreaded nvidia gpu failure, this model is notorious for the failure and to make things worse the motherboard seems to have more flex (thinner)so a lot of repair/reflow/reball places will not touch it because the repair will nearly always bounce.

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                      #11
                      Re: HP DV7 erratic turn on

                      Thanks for all the responses. I will start troubleshooting the things you guys mentioned.Thanks again for your input.

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