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I have an Hp pavilion ze 4800 and think that the battery is completely dead how can I tell for sure'

The little blue light that usually flashes on the front of the computer is not coming on at all and when it boots up, all I get is a black screen. The ac power cord works fine.

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  • Master
  • 7,627 Answers

Pull the AC plug. If it's more the 4 years, I would say it's done. A battery has a Cycle limit, charge/discharge. Be sure to shop for a quality battery, stay clear of cheap batterys, they often don't work well with your laptop. If you have a multimeter you can verify, but if it will not charge or hold a charge, it's most likely time to replace.

Posted on Dec 06, 2012

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Posted on Jan 02, 2017

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pontelemon
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SOURCE: laptop wont boot and the battery and power lights flash

"......no beeps and it is a 3rd party charger for this model of laptop."

That 3rd party adapter could be the problem. Also, try to take out the battery and power it up from AC adapter only.
Ideally, try to find original AC adapter just for testing.

Posted on Apr 16, 2009

  • 1 Answer

SOURCE: black screen will not boot up

ok, hubby had this problem on his Compaq...black screen...seemed to be doing something as the cd drive would spin, all lights came on, but black screen. Don't know how long this will work, but try pressing the frame above the F6 key when you boot up. (I know it sounds weird, but work with me!)
There is something about this being where the video card attaches to the mother board and no clue how long it will continue to solve the problem. It will give you enough time to at least retrieve data you need off of your hard drive and burn to cd(s). I think the video card is integrated into the motherboard, thus once it dies completely, you'll still have all of your data backed up as it will be as expensive to replace the motherboard as it will to buy a new laptop!
Good luck! (We are furiously backing up data as I type!!!!)

Posted on Apr 19, 2009

  • 987 Answers

SOURCE: Toshiba laptop will not boot - black screen

The RAM might have problem...

Posted on Jun 06, 2009

efs_perpends
  • 1996 Answers

SOURCE: Toshiba Satellite A205 laptop will not boot - black screen

Here's a link to a good article that will help you to troubleshoot the startup error. You might also check Toshiba support online and see what the error light code indicates.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Posted on Jun 06, 2009

  • 143 Answers

SOURCE: HP Pavilion dv2500 - FTB

The troubleshooting you have done seems to be fine. It does not seem to be a problem with the power supply,cord or battery.Did you try a hard reset. If there is a reset button on the bottom of your laptop, you might want to try pressing that with laptop plugged in, not plugged in, with battery, without battery and different combinations thereof.
If this does not work or you don't have a reset button read on.

Before assuming it's the motherboard, there is one other possibility. There is a part called a PCA switch. It is possible this switch has gone bad or a plug might have come loose.

If you are comfortable with doing your own work, you can obtain a repair manual for your laptop online. Within this manual, it should explain what is involved in replacing this part. It is really not too complicated.

It does not sound like a hard drive problem simply because it doesn't seem to be getting power to any other part of the laptop.

You can try these steps.

Regards

Posted on Aug 03, 2009

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