Question about HP Pavilion dv9000z Notebook

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My power cord is OK and a blue light is seen where it plugs in. However, I can't turn it on. I had it on a few times yesterday and the battery check says battery is "good". However, battery is at 0% charge.

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I have had this issue with a few HP laptops.
Does the lighning bolt light up on the laptop to indicate charging?
Maybe try unplugging the power adapter and battery, press and hold the Power button for 30 seconds, pug in the battery and power adapter. In Windows click Start > Settings > Control Panel > Power Options. Click on Power Meter Tab and check the startus of the battery (i.e. Charging, not present etc)

Posted on Aug 24, 2010

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Posted on Jan 02, 2017

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2 Answers

Laptop battery light won't stay on


The battery might be dead. Batteries only have a useful life and after that they have to be replaced.

Does your laptop work ok off the AC Adapter Power Cord? If so, your battery is dead and your power cord is good. If the laptop does not work off the Power Cord then either your Power Cord is bad or the DC Power Jack where the power cord plugs into the laptop is bad. In either case a good battery will not charge if the power cord or the DC Jack is bad.

Check your DC Power Jack which is where the power cord plugs into the compute. Take an ink pen and push the tip inside the jack and see if the little pin wiggles, if so the jack is bad. You'll have to take the laptop apart to fix it. Most times it is soldered onto the motherboard, so you will have to desolder the old and solder a new one.

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1 Answer

My battery light is off.


The battery might be dead. Batteries only have a useful life and after that they have to be replaced.

Does your laptop work ok off the AC Adapter Power Cord? If so, your battery is dead and your power cord is good. If the laptop does not work off the Power Cord then either your Power Cord is bad or the DC Power Jack where the power cord plugs into the laptop is bad. In either case a good battery will not charge if the power cord or the DC Jack is bad.

Check your DC Power Jack which is where the power cord plugs into the compute. Take an ink pen and push the tip inside the jack and see if the little pin wiggles, if so the jack is bad. You'll have to take the laptop apart to fix it. Most times it is soldered onto the motherboard, so you will have to desolder the old and solder a new one.

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I have an IBM T40 that worked great until yesterday. When I powered it up, the 4 lights (battery, etc) flickers but the laptop does not power up. I removed the battery, paused, tried with and without the...


There are a few things left you can try. First take the battery out and make sure the unit is unplugged. Next push the power button a few times to discharge any power inside the unit. Now put the battery back in and while plugging in the unit see if the charge light comes on or flickers at all.

If it flickers and goes out, you have a bad power cord or worse a bad jack on the laptop's main board. If it never comes on, you have a bad power cord or mainboard. The battery is probably dead (doesen't have a charge left in it.)

You said this happens regardless of if the battery is inserted. Have you tried powering up the unit with no battery installed and just the power plug?

I'd see about gettting a replacement cord first. If that doesen't do it you probably have a bad board.

Oct 17, 2010 | Computers & Internet

1 Answer

Let the battery power down, plugged back in and now computer will not come on at all, took battery out, nothing, not even the little battery flash light, even tho power cord in and blue light around cord


Need to check the power cord to see if it is running at 19.5 fisrt. The power cord may be your whole problemand it cheaper than the other problem I see.
If power cord is ok take battery to the battery store to check it's cells. it sounds like to battery is bad. but the power cord should still bring the unit up. If the battery is ok and the power cord checks out the charging unit is bad and is costly.

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Couple of things

First is to let it charge with the lid down for a few hours.
If that does not fix it then check that your son did not use the alternate display option FN F5 or FN F6 on the acers I think

If you still have no luck you might want to ask questions of your son before you take it to a repair shop

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Try removing the battery and using only power cord to turn the laptop on. If that fails, try turning it on without power cord, just on battery.

If none of those work, then most probable cause of your problem is motherboard. Hopefuly you are either under manufacturer warranty or you have extended warranty with your vendor where you've purchased the laptop.

If your laptop turns on on power cord, but without battery, then battery is the problem. Also, if laptop turns on when it's only on battery but it doesn't when you plug ac cord in it, then the adapter is the problem.

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To take out of hibernation,press the power button for less than 1 second.
Then go into the control panel and disable hibernation as described below.

Disable the your mouse's "ability to wake up computer" in device manager.
Use keyboard to wake up your computer.


Click Start > Control Panel > Performance and Maintenance > Power Options > Hibernate tab.
Then clear the Enable Hibernation check box.

If this doesn't resolve the issue,Please post back.

Please rate this a fixya.

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1 Answer

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Check power out put of the adapter is it giving you the correct readings
Try to remove the battery and run it from adapter itself check to see if its working
Reset the battery ..by removing it from the system



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