Question about HP Pavilion DV9727CL Notebook

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Have a hp pavilion dv9727cl laptop,when I try to power up all I get is blue light on and off. If I remove the ac plug and battery, then remove the cmos battery and push on power button, then put cmos

When I try to power up all I get is blue lights on and off. If I remove the ac plug and battery, then remove the cmos battery and push on power button, then put cmos battery in and battery or power plug and start it, starts up and works fine till it shuts down or restarts then I have to do the same proceedure to get it started again. what would cause this?

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Use new battery. Post results

Posted on Apr 18, 2013

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6ya6ya
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Posted on Jan 02, 2017

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ebenezer
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SOURCE: nc6320 Laptop power

hello the first thing to make sure of is that the ac adaptor cable is not having any partial contacts ofany kind whereby power gets into the laptop irregularly.this could have adverse effect on the circuitry. it is not enough just checking the output of the ac adapter by a meter.try straighten the cable from the adapter and check the meter for voltage fluctuations. if the above is okay then the problem could be on board leve.

Posted on Aug 11, 2007

  • 50 Answers

SOURCE: HP ZD 8215 Laptop Start-up Problem.

2 beeps with no post means either you have a memory failure or the motherboard has failed

Posted on Jul 17, 2008

  • 1 Answer

SOURCE: hp dv9000 will not start up. blue lights are go

you get a black screen right, nothing at all then no bios, no logo, nothing at all?
Do you get any beep codes and if so in what order?
did you try different ram?
First try to plug your laptop to an external monitor. If it works, you screen is bad, if it doesn't you probably need a new motherboard.

Posted on Dec 23, 2008

  • 52 Answers

SOURCE: HP Pavilion 8000 power light and battery light blinking

hi,

Hp recalls some king of batterys, maybe yours it is on this recall, contact hp web or phone to take advantege of this recall, otherwise appears that your battery do not work you may replace it.

Thanks
vcrtech

Posted on Apr 27, 2009

  • 630 Answers

SOURCE: hp dv9700 doesn not start

try safemode if not check F2 for mem.

Posted on Sep 08, 2009

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Hi,

Remove the AC power jack and then the battery. Hold down the on/off button for 30 seconds, that will drain any residual power from the laptop.

Then just plug in AC power only and try to boot the laptop up. If it boots let it load Windows and then shut it down. Remove the AC power jack and then re-insert the battery. Then try to boot the laptop up.

If it boots up you all good.

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