Question about HP Pavilion dv9000z Notebook

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I have an HP DV9074CL Pavilion laptop that won't boot

It makes on long beep and two short ones on boot up. Screen is blank. Laptop is completly dead now. This problem has gone from intermittent to permanent

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  • tomjones4224 Jan 22, 2009

    Thanks. I have already tried that and it did not solve the problem. After posting this question i IM'd HP and they are replacing the motherboard for free. My laptop is out of warranty but they have a one time free repair on that series for this exact problem. Seems the video chip is the problem.

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I bought mine in April 2007. This happened June of last year and they replaced it for free. It just happened again 2 nights ago and HP won't do anything. My fiance called them and got a case manager and said that they design their laptops to work for only 2 years to which I say if it's designed to work for 2 years, shouldn't my motherboard still be working? After this experience and numerous other problems I have had with this laptop, I am never buying an HP product again.

Posted on Jul 08, 2009

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I have spent a while trying to fix my DV9074CL. Replaced tree motherboards. Got to the point where It seems like the problem is in screen hinges. It will start up just with screen being in specific position. Like half way or almost closed. Sometimes you have to put a pressure on the left hinge part of the screen. The common problem. a lot of people have with DV 9000 series is that the hinges go bad from opening and closing it all the time. Debating if that is the “BLACK SCREEN, THREE BEEP” problem.

Posted on Jun 23, 2009

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What does actually CPU needs to be re-seated Or Replaced?

Posted on Aug 11, 2009

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Hi,

The problems most likely Bad or Faulty Ram.
Try removing 1 stick of RAM, From Slot 2 ( Or B ) remove Battery First.
Try in slot 1 and slot individually. To eliminate RAM Module Failure.
Secondly, Will be The CPU needs to be re-seated Or Replaced.

Thankyou For Using Fixya.

Mike @ compurepair.

Posted on Jan 21, 2009

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1 Answer

Got a hp dv6000 laptop that beeps one long then 2 short beeps on boot up - nothing on screen just black. any ideas?


This is usually caused by a problem with the video card, or the memory on the video card.

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One long beep and 2 short beeps


Depending upon your BIOS manufacturer, generally this POST error code means either a video card problem or a motherboard problem. If the RAM is OK then you have a motherboard problem, and this may not be cost effective to fix. Consider putting your money towards a new laptop, remove the hard disk and put it into an external USB adapter case and use it as an USB hard drive for backup etc.

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Blank screen long beep 2 short beeps at startup.


The 1 long 2 short beep code means a problem in the video circuitry and the laptop can't initialize the display. This is usually caused by failure of the integrated video chipset. Unfortunately, on a laptop you can't just open the case and install a new video card like you can on a desktop. You need to replace the mainboard. Replacements are available online. Here is one source found by a Google search. (I'm just using this as an example. I haven't dealt with this site.)

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Blank screen


This could be due to many issues. The most likely in my mind are:

1. A dead hard drive, but then at least the BIOS should come up
2. A shorted out or disconnected video connection (it connects at the hinge where the laptop screen folds down)
3. A plugged in USB device that the computer is trying to boot from

About #3, seriously, I've seen it happen. No BIOS, no Windows screen. Just a blank screen and a beep until you remove the USB device.

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Laptop does a long beep, followed by two short beeps.


One long followed by two short beep IS a video error. However, your model laptop does not have a separate video card. The only fix is to replace the mother board. Here is the service manual that will show you how to take apart the laptop and even give you the part number you would need to replace the motherboard.

Thanks and please take a moment to rate as fixya.

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3 beeps at start


hmmm...that's not good. works fine with no battery. I suspect your motherboard may be taking a vacation from working soon.

got backup for your HP?

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