HO DV7 3085dx problem

HI there,
I have an HP DV7 3085dx that is is just about 3 years old. Up until recently, I have had very few problems with the laptop, at least nothing that I could not fix myself. The problem started a month or so ago with a loose display LCD cable., which I was able to fix twice with no problems.
The third time I went to fix it (it had not been tucked away fully under one of the front panels on the laptop), something went wrong. I took everything apart step by step as I had before, in the same order that I had done before, fixed the cable, and went to put everything back together in the same way that I'd done before with no problems.
When I went to turn on the computer, it would turn on but with a blank screen, no sound and some of the touch sensor lights above the keyboard would not light up, but there was power to the computer. I shut it down, let it discharge and opened it back up, thinking I had maybe not connected the hard drive tight enough.
Checked everything before putting it back together. When I went to turn this time, it would not turn on at all. I used my husband's laptop to troubleshoot, and the HP website sugested a hard reset, which consisted of unplugging it, taking out the battery and holding the start button for 15 seconds. I did this, and nothing happened after I plugged it back in, nor when I replaced the battery. When I plug it in however, the port for the AC plug does light up.
I honestly don't know what else to do. THe warranty is long gone at this point. If anyone out there has any ideas, please let me know.
I tried the hard reset as mentioned above. I don't think it's a motherboard issue as those tend to beep when there is a problem. My brother's friend mentioned the power supply unit inside the laptop?
HELP!

I would recommend using this troubleshooting document for your issue: http://goo.gl/LvXDk
There are a few more steps in there other than just a hard reset.
Let me know if any of those steps help to resolve your issue.
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HP DV7-3085dx won't power up, seems the battery and charging is ok.. possible mother board problem?

Hi I recently received an HP DV7-3085dx from a friend of mine since he hadn't been using it for a while.
So, when I tried to turn it on for the first time, the power button wouldn't work, or the lap top itself wouldn't power on.
When I plug in the charger, AC adapter light turns on, and when I connect the battery, both the battery light and the AC light turns on fine.
However, there's no fan, or any light flashing when I press the power button as if it's dead.
I've searched and tried:
1. hard reset - pressing on the power button for a minute without any attachement and so on
2. reseating ram and CMOS battery
3. cleaning heatsink and re-applying thermal compound.
4. tried turning on the laptop without hard drive.
However, none of those would solve the problem.
Could it be the faulty motherboard, fan or heatsink?
Or, does battery light on means the motherboard is safe, at least?
By the way, it seems like the battery charges just fine as after a while on an AC, the battery light turns off(signaling that it's fully charged)

Hello coolhair50, welcome to the HP Forums.
I see that you've acquired your Notebook from a friend, that you're trying to get it to turn on and start up. That only the batter and charger appear to be working as the Notebook will not turn on. I will try to assist you with this.
You're on the correct path, the issue does appear to be hardware related from what you've attempted so far. The battery and charger appear to be fine.
What I would suggest starting with is this document: Troubleshooting Black Screen Displays with No Error Messages During Startup or Boot. It will guide you through testing the memory and hard drive. If all of that tests ok, then you're most likely looking at a motherboard issue.
You have a few options at that point. The first would be callling support to see what they could offer. HP Technical Support, North America 1-800-474-6836. For all other regions click here.
The second would depend on your own personal knowledge of Notebooks, but you could use the Maintenance and Service guide to look up possible compatible parts and how to replace them.
Please let me know how everything goes for you.
Thank you for posting on the HP Forums.
I worked on behalf of HP.

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I have a dv7-3085dx. The only problem I have with it is that the graphics are too slow for me Nvidia GeForce 230M. I have read that it is possible on certain models and higher levels of laptops that you are able to upgrade these. When I bought this laptop, it was a higher end at the time and was wondering if it was possible to be upgraded and what where my options in upgrades?
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View Solution.

Hi,
Basically you can, with a cost and I believe this cost may be more expensive than buying a new computer because you have to take into account:
New card price, and WHERE you can buy it because laptop cards are not the same as desktop cards. You can't buy from any normal shop,
Need new system board (may be),
Need new cooling system because generally speaking more powerfull card pumps out more heat (you want more powerfull card don't you?).
May need new PSU because your current PSU may not suitbale to the card. (I ordered a machine with Nvidia card and I needed to order a 90W charger at the same time, not the normal 65W charger. They simply rejected my order).
Labor cost.
Many, many packets of Asprin.
Hope this helps.
BH
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Quick Launch Buttons not working on dv7-3085dx

Hello HP world.
I am having a problem that I cant fix it myself and it is driving me crazy.
I am very techy and usually always find a solution to any problem but this one got both of my feet locked.
My Quick Launch Buttons on my DV7-3085dx Running Win7 64-bit.
Are not working. They were working fine since forever until 2 weeks ago I noticed the mute and wireless buttons remained red non stop? and they were not functionable. Almost as if they lost connection to the notebook.
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I surrender!
Please help me.
Thank you in advance.
Fitim

Fitim wrote:
So i just finished with the System recovery and no luck
The buttons are still not functioning. I just get the audio and player controls lid up but thats it.
They dont work and are useless.
HELP
If they're not working after performing the System Recovery then it's a hardware problem. Could a loose or damaged cable or circuit board.

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Hi,
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If you find the above steps help you resolve the issue please click on kudos.
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Yes on at least the hard drive and theoretically yes on the tv tuner although that is pricey. You need the module and a special cable. I cannot find the part on the internet or this site but you could maybe call HP or even look on ebay. Here is the part you need to add a second drive. It is the caddy and a connector cable.
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You would be better off using a fast SSD drive.
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A little more info besides "will not install" would help us to help you. For instance are you able/not able to boot from them. If you are able to boot from them where does the process fail-any error messages,etc?
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Dv7 Keyboard problems

Hello!
I have issues with my DV7 laptop computer ( Windows 8, if it helps )
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View Solution.

Thank you for your reply !
Sorry I forgot to post the story of the problem
The numpads behaviour is odd, because when I use the numlock key, there is a beep and then the numpad works, as if the numlock was switched off. When I press numlock a second time, I can hear a beep with a higher pitch, and the numkeys lose every functionality. Only /*-+ work, when switched off, enter works always. Either way, I cant get the 1234567890 keys to work correctly.
Your proposal did the trick for the media keys , unfortunately not for the numpad.
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Hello,
Please update your BIOS,Video graphics and sound drivers.
The best and easiest way to do this is to run teh HP Support assistant and have it "Analyze" your PC. It will then suggest the critical updates for your unit. This should help with the gaming experience.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01916574&lc=en&dlc=en&cc=us
I am an HP employee.
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HP Dv7 -- Power problem

Ok, so I've got a weird one. Here goes...
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Model # -- dv7-1285dx
s/n [text removed for privacy]

just bumping so it doesn't fall off the page. Any help or input is greatly appreciated, even if not-so-great news.

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View Solution.

I did the switch out of the long 2nd connector and the connector/adapter that came with the tray (short like the original one) didn't work either. I hope it's not, but I suspect the connector receptor on the motherboard would be the next problem to think about. Something with it is making the power switch not connect. I don't know, when I disconnect the 2nd connector, it power's/boots right up.

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Based on what you said, it seems to me that your laptop drivers have not been install correctly. Follow this link
http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?cc=us&destPage=pfinder&dlc=en&lc=en&product=4079...
Choose your operation system and download any drivers required. But i suggest you to allow HP to scan your system for updating drivers, as HP Laptops have so may variants, so it is difficult to figure out which driver is correct. My personal experiences with HP Support technicians guessing of which driver is required for my system.
I hope this will help.
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HO DV7 3085dx problem

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