Laptop turns off on off on off on--will not stop!

We have a dv6812nr Pavilion dv6700 model number that lights up for about 2 seconds (LED lights up but not black screen error message) but then goes off for a few seconds, then on, then turned off, then on, then off.  Repeat this process until we have hold the power button until it turns off constantly, or until the battery is removed.  Tried to remove the RAM sticks one at a time to see if it was a problem, but he did the same thing with each stick/off voltage.  Tried F8 and F10 to see if we could get up to a point located to perform some troubleshooting, but no.  Will not... just like marketing and works... stubborn.  Any other suggestions?  Thanks in advance.

I have a DV6768se, which does the same thing. It is partly resolved like that.

I removed the battery and the back cover at the centre. I found the button cell for the motherboard, I removed and I left the laptop for about an hour. It allowed the bios reset the values by default, and then the computer will start and everything will work fine, until it will stop suddenly because of a mysterious reason and I had to repeat the same process to bring it to life.

Based on the post I've seen so far, this problem is related to the corruption of the Bios. I'm still in the process to get a correct solution. Two of them I've tried so far is as below:

1 downloaded wood HP update web site, it will not download not error 'for this machine. HP customer service is horrible - no support on this.

2 tried to do system restore, the process is stuck at 0% to "formatting the hard drive" for about 5 minutes and then the screen turns white.

3 has tried to load Windows XP, which formats the hard drive, load all the files, but will not accept the Windows XP serial numbers (all the good numbers from my other machines)

Finally I ordered the HP system restore CD, but I'm stuck with the same white screen again after blocked for five minutes at 0% to the formatting of the scene of the hard drive.

I bought another laptop HP (still under warranty) battery does not charge sometimes and some keys don't work. Terrible quality compared to the Dell laptops I've had to date.

Any help is appreciated. HP technical support will not sing unless feed you the at least $99 and looking at the quality of their technical support so far, I'm sure it will be a waste. I prefer to sell it on ebay and buy a Dell.

My next laptop will probably be NO HP.

Tags: HP Notebooks

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