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My laptop M-6312 is not turning on. No lights, no sounds, except for quiet whistling from speakers when AC is connected.

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Rem,ove your battery and connect the ac adaptor again then let us know if you can boot up-if so your battery is suspect and should be replaced.If the problem is the same the pwr circuitry on the mainboard has blown and the mainboard will have to be replaced.You should also try another adaptor if you can get hold of one, to rule out a faulty adaptor.,

Posted on Jul 31, 2008

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How to fix power button


Pam,

The problem is probably not the power button. If you have the AC adapter plugged in but you do not see any lights indicating that there is power reaching the laptop (such as the light that indicates that the battery is charging), chances are that you have a bad motherboard. The other possibility is that you have a broken DC power jack (where the AC adapter plugs into the laptop). Neither the motherboard nor the power jack are user-repairable issues. My advice would be to take this unit to a local professional computer repair center and have it evaluated.

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Dell speaker connection color code needed


  • *Turn off your Dell laptop.

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    Thanks for rating

    Good luck






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    While closing the laptop without switching it off the laptop normally goes into sleep mode, thats happeninig, but a whistling noise is coming in my laptop while closing it, also when i touch or tap on the...


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    What a lovely daughter, how very nice of her,

    here goes....straight for Mr. Koss

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    2. Replace battery covers.
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    please leave a rating, thank you kindly

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    Replace your battery Some laptops don't boot up when no battery is present even it is connected directly on the power supply. Or if not to visit your nearest HP service center. If its still with warranty, use it.

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