Question about HP Pavilion dv7-1020us Notebook
HP dv7 simply stopped turning on. worked great one day, woke up the next to find it would not power up. It was plugged in all night so I presumed charged. tried removing the battery & unplugging the power but still nothing. when i hit the on button the light on it come up for about 10 seconds and when the power cord is connected the charging indicator light is on. Thats it. someone please help me. My company is on this thing. of course i called HP and i am exactly 10 days out of warranty. too funny.
What you would want to try is to remove the battery and see if pluging in the power cord will power the laptop alone. All laptops have this capability and this shouldnt be an issue.
But by testing this and seeing if it DOESN'T work then that means there could be one of two things. Your AC power adapter is defective and should be replaced with one that is compatible with your system or that your connection jack is either loose on the inside or broken completely.
However I would stick with trying the cord first before trying to resoder the joint inside the system. I'd leave that to a pro, going back to the battery if you leave it out for a day that should give it plenty of time to discharge any energy it may have in it and you can plug it back into the laptop to try and charge it again either with the same AC power adapter or a new one. If the battery wont hold a charge and you know it isn't because the jack is loose or the AC power adapter isnt defective then you now know you need to replace the battery. You can google compatible batteries and power adapters online or search specific places like Newegg.com or Amazon.
Hope this gives you a better understanding of what may need to be done to fix this!!
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Posted on May 06, 2010
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Posted on Jan 02, 2017
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Start with the normal fixing methods, including
uninstalling the drivers for your devices and reinstalling them. if That
didn't work! Next try System Restore thinking that maybe you have installed something and it caused a conflict with the USB system
drivers. That didn't work!
go to Device Manager and uninstall all of the devices under USB
Controllers. Restart the computer, reinstall the USB drivers,
You may also see in Device Manager that the device shows
up as an "Unknown Devic
last fix for the problem? Well, apparently
it's a super simple solution! No need to edit the registry, uninstall
drivers, or anything of that sort.
Simply UNPLUG YOUR COMPUTER
FROM THE POWER SUPPLY. Yes
that's it! Note that this does not mean just turning off your computer
because modern computers
don't really turn off when you
press the power button as the motherboard still gets power.
First to explain, the motherboard is where all of
hardware of the computer is connected to, including the USB
ports. Sometimes the motherboard needs to be "rebooted" also because
something can go wrong, i.e. all your USB ports suddenly stop working.
The small microprocessor on the motherboard will reload the drivers and
your USB ports should be back to recognizing all devices!
So first turn off your computer using Shut Down or pressing the power button and then UNPLUG it from the wall outlet. Let it sit for about a minute and then plug it back in.
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