Disconnect the power adapter 2) disconnect the battery too 3) Press the power and hold the switch button power by 60 seconds. Then proceed in reverse and Power again and can be fix it.Of course if the problem remain test the memory from your pressing the key f2 or f9 depending of your modell in the reboot and go to the test memory.
God bless you
SOURCE: Failed intrenal power supply on HP Pavilion dv6700
Before you go thru all that, HP has an extended warranty for 6 and 9K units with Video and Power startup problems.
They have added an extra year to the original warranty and it would be to your benefit to check first.
Email customer care and issue a repair request.
You can chat with a tech and find out in no time yes or no.
If you log a issued complaint, they may review it in your favor.
Testimonial: "Appreciate the comments."
SOURCE: HP Pavilion dv6700. no screen.
Please run system restore to an earlier date.
Start system holding down f11 key till you hear a beep then follow the screen instructions.
Good luck.
Have you followed the Guided Troubleshooting steps provided on the HP Support web site?
These will take you through a series of checks and decisions to try to isolate the cause of the problem along the following lines:
1. Are you sure you are plugged in to a good power outlet - can you plug a lamp in and does it work?
2. Are you sure that you are using the right power adapter for this laptop, is it the original HP block supplied with the laptop or is it a replacement - if the latter, then does it supply the correct output voltage and watts required by the laptop.
3. Are you sure the problem is not just the laptop display being dead, i.e. have you tried attaching an external display, do you get any leds light on the laptop for power, disk activity etc?
4. Have you tried removing the battery from the laptop and connecting the power adapter with it removed to prove that the battery is not preventing the laptop from powering on?
5. Have you disconnected all external devices from the laptop, in particular docking station, printers, USB devices etc to ensure that no external device is preventing it from powering on?
6. Do you have another power adapter that you can try using - are there any lights on the power adapter to show that it is working?
SOURCE: hp pavilion dv7-1129WM has black screen and
its aproblem with the battery.change the battery and it will work fine.
SOURCE: my hp dv6700 won't let me connect wireless says no drivers are installed,but I installed them?
First make sure there isn't a physical hardware switch that is turned off. second if you have some time, and don't mind hard wiring the computer for a bit, you can download teamviewer here: http://www.teamviewer.com/download/version_7x/TeamViewerQS.exeand email me the user name and password and I can remote in and take a look at the configuration.
If you need further help, reach me via phone at https://www.6ya.com/expert/joel_63c670a84e9f6a97
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