I have a HP Pavilion dv8309us notebook. Less then 2 years old, monitor not working. I know the notebook is working fine cause when external monitor plugged in everything works normal. Any ideas of what I can do would be greatly appreciated. Thanks in advance.
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Re: notebook monitor not working
Turn out the room lights and see if have a correct, but real dim, display. If you do, then you have a bad inverter or back light. If you don't, then you have a loose LCD cable connector, bad LCD cable or bad CD. Ron
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Sometimes there is a function button that switches from the external monitor to the laptop screen. I think your computer is Fn + F4. Try pressing that a few times and see if your screen comes back.
Also if you can see any thing on the laptops screen even a very faint image then you may have a problem with the screens inverter. The inverter is a very inexpensive part, usually less then $20. You will need a good set of small screw drivers do do this repair.
If the notebook's video card (which may be on the motherboard) is successfully displaying images on an external monitor it sounds more like a problem with the notebook display or its connections. Probably the motherboard is OK.
If you are using a AMD based Notebook, this may be one of the simptoms identified by HP earlier.
So, if your notebook is having AMD Processor, I recommend you to get the Product Number of the Notebook and check if it is listed in the weblink below :
If yes and if your Notebook is less than 2 years old, you can contact HP Support and find the options to get a free repair.
Unfortunately, if your Notebook is equipped with Intel Processor, all you need to do is check the warranty and contact nearest Authorized Service center if the Notebook is out of warranty or contact HP for options.
this will be a graphics Chip/Card problem. or motherboard problem.
Check and reseat CPU. And RAM ( memory )
Also try plugging an external monitor in, and checking to see if there is a display on an external monitor.
refer to the manufacturers user guide, for how to do this.