Question about HP Compaq dc5750 Small Form Factor - Free Flat Panel until 113007 EW318AV-KAM PC Desktop

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Hp 5750 powerup password

I have a hp 5750 with this power-on password that no one seems to know or even how it got there i have pulled the battery and power cord left it for 5-10 min and reinstall it and the date at bottom of power on password screen has reset to 00/00/00 but the password is still there
i have tried the backdoor passwords from list on the net with no progress
is there anything else i can try i have access to a live backtrack disk but don't know if it can hack a bios password need a little help if anyone can

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Hi,
removing the battery would not solve the problem

You would have to find a jumper Green in color near the CMOS Battery area,It would read PSWD on the motherboard

It will be connected to pin 1 & 2, change it to pin 2 & 3 - this will reset the password,

Now clear the CMOS by pressing the power button

Then restore the jumper back.


Thanks
Proton

Posted on Jul 28, 2010

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Bio passwod removal hp laptop


How to Reset an HP Laptop BIOS Password


Reset the password on any HP laptop.

Reset the BIOS password on an HP laptop computer when it has been forgotten or when preparing the laptop for sale to a new owner. Learn how to erase an unknown BIOS password by physically disconnecting the internal batteries. Avoid spending hundreds of dollars at a service center to make changes that can often be performed at home by anyone with the ability to take an HP laptop apart and put it back together again.

Items you will need

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Step 1

Power down the computer if necessary by holding the power button down for six seconds until the power shuts off.
Step 2

Disconnect the power cord from the HP laptop computer. Remove the battery by flipping the computer over onto its cover and releasing the battery clips as indicated by the illustrations on the bottom of the laptop or in the owner's manual. Lift the edge of the battery nearest the clips up first, then pull the battery out of the laptop.
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Remove the screws that hold the hard drive cover in place and remove the cover. Take the hard drive out of the laptop by removing the two retaining screws and pulling the drive gently away from the connector, then lifting the hard drive bracket or tray out of the computer.
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Remove the screws that hold the memory compartment cover in place, then remove the cover. Remove the memory modules from the sockets by spreading the metal retaining clips gently apart and allowing the module to spring upward. Pull the memory straight out of the socket at the angle it rests at when sprung from the retaining clips.
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Allow the computer to sit without the battery for an hour, then reinstall the memory and hard drive, but leave the coin cell battery and the main battery out of the system. Connect the AC power adapter to the system and power it on to clear the BIOS password.
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Aspire 5750 bios password


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