Question about HP Pavilion dv4000 Notebook

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Forgotern pass word

Hi i have a hp dv6500 and have forgotern my pass word is there any way to reset the pass word

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Hello, I can unlock any HP OR COMPAQ bios password (pavilion, presario,  omnibook, compaq bussines). If anyone have questions feel free to visit www.laptoprebirth.com or send an emailto conradodav@hotmail.com WE SUPPOR OTHER BRANDS LIKE SONY ACER TOSHIBA ASUS GATEWAY DELL FUJITSU SIEMENS SAMSUNG

Posted on Jun 03, 2009

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  • HP Master
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One solution is fairly easy, and one not so easy. I can't guarantee the last solution.

Solution #1
Call HP, and tell them of your dilemma. They may want you to take your laptop to an authorized dealer, or authorized repair shop, so that the dealer can verify your receipt for payment of the laptop, and your identification. You may have to write out a statement that declares you are the owner. The dealer, or repair shop will then have to fax all of this information to HP, and HP will then issue a Master password. This deters thievery of a laptop, and assures HP that THE owner, is accessing this information.

Solution #2
Inside your laptop is a CMOS battery. I don't know if you have changed one in a desktop computer, but it's the same. It is a coin sized battery that is CR2032.

This is deep inside the laptop. You have to disassemble your laptop all the way down, to access it. This deters thieves. It's easy to steal one, compared to trying to work on them! (Never have understood the logic{?} of thievery!)

The CMOS battery is removed, and left to set out for an hour. The battery, and AC adapter, (Charger) have already been removed, before disassembling. The Power On button is pushed, and held down for a count of five seconds. Then let go. Do this procedure two more times. (And I mean Five seconds, at least! Count, 1001,..1002,..1003,..1004,..1005)

Then the CMOS battery is reinstalled, the laptop assembled, battery installed, and AC adapter plugged back in. If no BIOS Setup password has been installed, this should reset CMOS back to the factory default settings.
This is a serious undertaking, and I believe best left to a pro. Again, there is no guarantee this will work.

Posted on May 18, 2009

  • joecoolvette
    joecoolvette May 19, 2009

    You can obtain Recovery Disks from HP. Go to HP.com/Support, and to Contact HP, on this page.
    http://welcome.hp.com/country/us/en/supp...
    (Contact HP is in the upper left corner. Just click on it)

    When you go to the Contact HP page, you will see several options. I advise using the telephone option. Talk to a real person. A lot faster than waiting for an email response! You have to call during normal business hours.
    You need to have some information ready, to give to the person.

    This is located on the bottom of your HP laptop. It's in the white Service Tag.
    This is the Service Tag,
    http://h10025.www1.hp.com/ewfrf/wc/docum...

    You need to give them the Model Number, as shown by the number 1.
    You may need to give them the Serial Number. (S/N) Shown under the number 3. (Product Name is shown by number 3. The Product Name is a -> generic name for all laptops of this series. You need THE exact information, to get THE Restoration Disk for your laptop! Model Number and Serial Number)

    I sent for Recovery Disks for a Compaq laptop about a year, and a
    half ago. (HP bought out Compaq) The disk was free. The shipping and handling was not. At the time the cost was $17 for a 5 to 7 day
    ship, $22 for a 2 to 3 day ship.

    I did not suggest using a Recovery Disk, because you have two options with a Recovery Disk.
    One is to do a Fresh Install, the other is to do a Repair.

    If you do a Fresh Install, you will wipe out ALL documents, you have in your My Documents folder. (My Pictures, My Music, My Videos, and any documents you have created, and saved)

    You will also wipe out any downloaded programs, or applications, and any programs, or applications you have installed.
    Didn't think you wanted that!

    If you do a Repair, guess what? You will still have that same password, and the same problem!



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  • 258 Answers

Yes use your recovery discs

Posted on May 18, 2009

  • Brett McGuigan
    Brett McGuigan Jun 22, 2009

    ok if it is a bios password that you need to remove the easiest way is to remove your bios battery off your motherboard for 15 seconds then re- insert (its looks like a large round watch battery), that will reset bios to factory default and remove the password, if you need to remove a windows log in password you will need to use your recovery disks to reset windows startup, thats the easiest I can explain it.



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Posted on Jan 02, 2017

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Battery charging light is on even when power adapter is unplugged and laptop is stitched off
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Also, you can try this. Remove the battery and plug in the power adapter. If the battery charging LED lights up even when the battery is removed, most likely you have a problem with the motherboard.
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Q. Bought a Laptop without AC Adapter. I noticed it would charge the battery OK when the laptop was off but once in windows it would not charge the battery.
A. This is very important to choose the right AC adapter for your laptop. The output voltage MUST be exactly the same. If your laptop requires 18.5V you must use 18.5V adapter. The amperage should be the same or higher. If the laptop requires 4.74A adapter, you’ll have to find an adapter which provides 4.74A or MORE.
While using AC adapter alone or battery alone, laptop works. While using them together, I am getting a problem.
Q. While using AC adapter alone or battery alone, laptop works. However while using them together, laptop LED lights blinks and the power meter for battery drops down immediately to 0% critical level, whereas the battery LED indicator says it’s full. I tried to unplug the AC adaptor while it went down to 0%, then the power meter for the battery came back to normal 85%.
A. There could be a few different reasons why it happens:
1. It might be an issue with the BIOS. Make sure the laptop has the latest version of BIOS installed, update it if needed.
2. It might be a software related issue. If you have some kind of power management utility installed try uninstalling it and use Windows power management utility instead. Also I would try reinstalling the operating system if upgrading the BIOS or removing the power management utility does not help.
3. If you still experience the same problem even after upgrading the BIOS and reinstalling Windows, most likely you have a problem with the motherboard. Apparently the charging circuit is not working properly. I assume it’s not a problem with the battery. You’ll have to check the motherboard in this case.
Problem with my battery. 100% to about 40% the battery discharging normally then suddenly from 40% it drop directly to 2%.
Q. When I use only on battery, from 100% to about 40% the battery discharging normally (last about 1 hour) then suddenly from 40% it drop directly to 2%.
When I plug the AC cord, it won’t directly charge (the charge LED is still not on). After 10 to 20 minutes it then starts to charge the battery (the indicator say that it can be charged to 100%).
If I turn-off the laptop and then charge the battery, it won’t also directly charge but the delay is much shorter (maybe just about 1-2 minutes).
Is this the sign of a bad battery (when hot it can’t be charged?) or maybe a bad AC adapter (not enough power to charge the battery when the laptop is turned on?)
Note that this symptom is always repeating when I use the laptop.
A. From the first part of your complaint description I can see that you have a bad battery. The percentage might vary, but the process of discharging is the same – the battery discharges fine until some point and then the remaining charge suddenly drops to the minimum. You’ll have to replace the battery.
I’m not sure about the second part. Probably it’s a battery related problem too. Just in case check if there is a newer version of BIOS available for your laptop. If you find one, upgrade the BIOS.
The battery is 100% charged but it will die within a few minutes as soon as the laptop is unplugged.
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A. It looks like you have a bad battery. Here are some behaviors typical for a dying laptop battery:
1. The battery charges normally (according to the battery icon) but as soon as you unplug the laptop, it dies almost momentarily.
2. The battery charges normally. When you unplug the laptop, it discharges normally until some point and after that point starts discharging very fast. For example it might take 10-15 minutes to discharge from 100% to 80% and then it discharges from 80% to 0 for 2-3 minutes.

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It is simple turn off your pc.Restart and press the F8 key repeatedly until you get a menu that has an option to go into safe mode. Select the relevant option number then press enter.
Then it wont ask you for any password,just go to control panel>user accounts>add or remove user account,here change your password or remove it. Thats it you are done,shut it down and thn restart it and at your welcome screen enter da new pass.

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