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I lock my bios and forgot my bios password - Acer Aspire 5520-5156 Laptop

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That can be tough with laptops. You can try this program: !BIOS PC BIOS.

The (sometimes hard) definite solution is to pull the clock battery (it's a watch battery, often mounted on the motherboard of the system).

A perhaps easier solution would be to flash the BIOS with an update from the manufacturer.


Good luck!

Posted on Feb 02, 2010

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Posted on Jan 02, 2017

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1 Answer

I forgot my bios password and Im locked out. What do I do.


the only thing I can suggest is to flash your bios to standed bios.You will have to go to acer web site to do this and it tells you how to flash your laptop you will need a flashdrive to this other wise see if acer have a bios reset tool. sorry I cant offer you more ideas

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the bios password? or the windows password? for bios cmos battery by removing it, if its the windows password you need a third party program to help you reset it either via usb, cd (usually) you can find programs fro free to do this . linux offers some visit their website.

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The computer will lock you out until the correct bios password is entered, the first option is to go online to HP and contact customer support and technical department they will reset bios to the original owner for a fee. The second option is www.ebay.com Type: bios password a list of sellers will pop up for you to go through, choose the one that handles HP or includes it in the description.

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Wow, another person locked out. LOL. Ok which password? The Bios Password? The Hard Drive Password? The Windows User Account Login Password? And for which Operating System?

If it's the hard drive password you're out of luck because that is set to keep thieves from gaining access to sensitive data. 99% of the time when you see a laptop where the user does not know the hard drive password, it's a stolen laptop.
The Bios Password and the Windows User Account Login Password can be cracked or allow you into the system, however if you're running Windows 7 and you forgot the Windows User Account Login Password, you will need the Password Reset Disk otherwise you'll have to reload your operating system.

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Locked Password where? Bios Password? Hard Drive Password? Windows User Account (userid) Password? And which operating system?

If it's the Bios Password, then you will need to remove the CMOS Battery and let the computer sit for a couple of hours. Then put the battery back in and try rebooting. You'll have to go back into the BIOS or Setup to put the correct date and time in but the password should be gone from memory.

If it's the Hard Drive Password, you're kinda out of luck. Hard drives are locked 99% of the time when the computer is stolen. The original owner either locked it while he had possession of it or he could have locked it remotely when it was stolen to keep thieves from getting to sensitive data. The only way around it is to have the original put the password in, or Purchase a new hard drive to put in the computer, reload the operating system, reload the drivers and reload application programs.

If it's the Windows Password for User Account turn off the computer, then turn it on and immediately start hitting the F8 key until you see the SAFE MODE Option. Take the Safe Mode option to boot the computer. When it comes to the login screen it will show you the Administrator account and the Account for which you forgot or don't know the password. Log into the Administrator account (hopefully you didn't password protect it and forgot it). When windows desktop comes up click Start/Control Panel/User Accounts. When the User Accounts window opens up click on the User Account for which you forgot the password then select Remove Password. Reboot the machine

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1 Answer

When i turn on laptop it says hard disk locked enter user password but i forgot it


If this is the BIOS password pull the CMOS battery for a couple minutes, then replace...it should reset the BIOS settings...if its only a hdd password and u forgot it u can contact local technician but that might cost u

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How do i bypass the primary drive lock password


On the mainboard near the coin battery you'll find a jumper. take it off and reboot. Replace it and reboot again. that works sometimes. If not you can go to the motherboards' BIOS like Phoenix and they have backdoors built in. Read on:
Backdoor passwords Many BIOS manufacturers have provided backdoor passwords that can be used to access the BIOS setup in the event you have lost your password. These passwords are case sensitive, so you may wish to try a variety of combinations. Keep in mind that the key associated to "_" in the US keyboard corresponds to "?" in some European keyboards. Laptops typically have better BIOS security than desktop systems, and we are not aware of any backdoor passwords that will work with name brand laptops.
WARNING: Some BIOS configurations will lock you out of the system completely if you type in an incorrect password more than 3 times. Read your manufacturers documentation for the BIOS setting before you begin typing in passwords
Award BIOS backdoor passwords:
[TABLE]
AMI BIOS backdoor passwords:
[TABLE]
PHOENIX BIOS backdoor passwords:
phoenix, PHOENIX, CMOS, BIOS
MISC. COMMON PASSWORDS
[TABLE]

Good luck...hope this helps...

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2 Answers

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unplug cmos battery then plug it back in make sure laptop is unplugged fist

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Can't unlock without IBM authority.

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