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HP Pavilion DV 9429 notebook - worked great at noon today - this evening powers up - all lights come on but nothing on display - powers on and off - tried turning power off - doing the Alt,Control, Delete...leaving it alone..nothing is displayed - HELP

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  • dietpepsi Sep 25, 2008

    My key is F4 and I had tried it - tried it again and it did not make any difference

  • sonimun Feb 07, 2009

    hello, ihave now the same problem with my hp 9429 - did you fix that problem? i am writing from germany ... thanks

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  • 45 Answers

Try this keep the Fn button pressed in and press a key with a square on it. mines is F5 but it differs on various PC/Laptops mate

it looks like a pc logo and a blank screen on it to switch between screen modes let me know how you get on...

Posted on Sep 25, 2008

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Posted on Jan 02, 2017

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Hi I have started my HP PAvilion dv9310us notebook all the keyboard lights are on but nothing is displayed on the screen it seems the notebook is turned off but it is on and running.


lights are on but nobody is home.
This is a problem seen in a couple of HP model lines (dv, and tx).
Short version...
Your motherboard is shot, I hope you are still under warranty as HP hasn't owned up to the design flaw that causes the problem enough to do a recall or offer replacement.

IF you have critical files that you need to get from the machine you may try the following, however this is not a long term solution...

1) turn pc on (lights are on fans are running, no hp spalsh screen, no nothing)
2) put pc in a bag (what ever you would carry your laptop around in should work, or wrap in a towel, the point is that it gets really hot)
3) wait 20-30 min.
4) turn pc completely off (hold power button for several sec or unplug and remove battery)
5) try rebooting (you may have to try a couple times, and I have a superstition that holding down F10 while powering on helps, once you see the HP splash you should be good to go)
6) Remember that HP makes devices with all kinds of cool features, but they almost always fail shortly after the end of thier warranty.

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hi,
if nothing(even hp logo ) is not coming on the display then please try this.
1.remove the battery and then press the power button for 30 sec.Again refix it and check.
2.If windows sound is there then this mught be the issue with display.

3.If there is no windows sound might be the issue with RAM so please get it checked.

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First of all, if you are getting 1 short and 2 long beeps, the graphic card of the Notebook might have failed. Get the Notebook repaired by HP if under warranty.

However, if your Notebook is installed with AMD processor, it is having a known issue and can get it repaire for free if purchased in US and the related information is available from the link below :

http://h10025.www1.hp.com/ewfrf/wc/genericDocument?docname=c01087277&cc=us&dlc=en&lc=en&jumpid=reg_R1002_USEN

I am sure that this information helps...

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Greetings,

Try using the power adapter, if it works, you got a problem with your battery.

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FixYa for all your troubleshooting needs.

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Click HERE to update your BIOS

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Please Reviewe all connections care fully. Its Very sensitive issue. If you do not find any open connection. Once again fit the fan with all connections. No display is nothing with Display do not touch that area. See only cooling Fan.


Best Regards
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