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Hello, can help me, my laptop ACER EXTENZA 4630 SERIES, why i can open the password bios when i re install the laptop..? thanks

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Here's a document I've filed away for this sort of problem. Sorry I can't recall where it came from,......

BIOS PASSWORDS BY MFG
Manufacturer Password
VOBIS & IBM merlin
Dell Dell
Biostar Biostar
Compaq Compaq
IWill iwill
Packard Bell bell9
QDI QDI
Siemens SKY_FOX
TMC BIGO
Toshiba Toshiba

TOSHIBA BIOS
Most Toshiba laptops and some desktop systems will bypass the BIOS password if the left shift key is held down during boot
Go online & look for these jewels ;
!BIOS (get the how-to article)
RemPass
KILLCMOS

Removing the CMOS Battery

The CMOS settings on most systems are buffered by a small battery that is attached to the motherboard. (It looks like a small watch battery). If you unplug the PC and remove the battery for 10-15 minutes, the CMOS may reset itself and the password should be blank. (Along with any other machine specific settings, so be sure you are familiar with manually reconfiguring the BIOS settings before you do this.) Some manufacturers backup the power to the CMOS chipset by using a capacitor, so if your first attempt fails, leave the battery out (with the system unplugged) for at least 24 hours. Some batteries are actually soldered onto the motherboard making this task more difficult. Unsoldering the battery incorrectly may damage your motherboard and other components, so please don't attempt this if you are inexperienced. Another option may be to remove the CMOS chip from the motherboard for a period of time.

Note: Removing the battery to reset the CMOS will not work for all PC's, and almost all of the newer laptops store their BIOS passwords in a manner which does not require continuous power, so removing the CMOS battery may not work at all. IBM Thinkpad laptops lock the hard drive as well as the BIOS when the supervisor password is set. If you reset the BIOS password, but cannot reset the hard drive password, you may not be able to access the drive and it will remain locked, even if you place it in a new laptop. IBM Thinkpads have special jumper switches on the motherboard, and these should be used to reset the system.

Overloading the KeyBoard Buffer

On some older computer systems, you can force the CMOS to enter its setup screen on boot by overloading the keyboard buffer. This can be done by booting with the keyboard or mouse unattached to the systems, or on some systems by hitting the ESC key

Posted on Apr 05, 2011

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Yes by default the bios is unprotected/no password. All you have to do if you want to setup bios password just go to bios then create supervisor password then it will have password everytime you need to access the bios. For info. bios password is not related to re-installation / installing your OS.

Posted on Mar 12, 2011

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How do I get into my bios when F2 won't work


Try tapping the Delete key instead.

It say here you use F2, but you have to do a complete shutdown rather than a restart. You have to keep tapping as soon as you see a logo or life!

http://community.acer.com/t5/2014-Archives/How-do-I-access-the-BIOS-on-a-Acer-Aspire-V3-571G-9636/td-p/13751

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  • Removal of the BIOS password from an Acer Aspireone ... https://www.evolutionelectronics.net/node/42 Acer Aspire One 756: The metal pins (i.e. jumper) are labeled "CMOS". Next to the 2nd memory slot.
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  • Apr 16, 2016 | Acer Aspire Computers & Internet

    2 Answers

    I tried to turn off my fingerprint security from acer travelmate 7730 laptop and now it started ask bios password. I dont know the password(never set it) three times wrong and system disabled and numb


    hello try to connect the Acer support or search on Google for bios password. A lot of computer the come with a same bois password that company put on it. For example your Model is Acer may be the Company put Acer password for it . Even if you remove the bois battery from the motherboard and you see same thing again i think you will have to take it to Acer Branch the only help it their. i tried to find the password for you put can't find it. Please rate my comment thanks

    Nov 21, 2011 | Acer Computers & Internet

    2 Answers

    Dear... can i have solution for my laptop acer extenza 4620..if i open bios ,he need password..can u help me what solution for open bios password..thanks


    You have to pull the cmos battery from the board. It is the only way to reset the password. Some manufactures back a backdoor password they do not share with the public though. Only real way to is to pull that battery.

    Mar 10, 2011 | Acer Extensa 4620 Notebook

    2 Answers

    I have forget my bios password,i removed my batery but i am still having same problem.


    hello there!!!


    there are many ways to remove or bypass bios password!!!

    1. removing battery to drain the data in bios memory
    2. short the jumper of the bios mostly found at the lower side of the memory slot.


    thanks

    Jan 03, 2011 | Acer Extensa 4620 Notebook

    1 Answer

    Password bios of extensa 4620z


    You should be able to remove the password from the CMOS setting.

    Just select F1 at boot up and locate the password section once you are in the CMOS Setting then clear it .

    Regards

    Feb 25, 2010 | Acer Extensa 4620-4648 Notebook

    6 Answers

    Acer Aspire 5715Z. Bios password problem


    remove the ram at the rear of the unit in the little compartment and look for two metal pieces ( bars maybe) take a paper clip and short out these then replace the ram close the door and reboot.

    Please rate this help to keep the free service online++++Thanks for using FIXYA

    Sep 07, 2009 | Computers & Internet

    1 Answer

    Bios password problem


    Guide to remove BIOS password of Acer computer (Both Laptop & Desktop).

    There are four ways to remove the BIOS password

    1. Reset Password BIOS via Backdoor BIOS Password.
    2. Reset Password BIOS via Software.
    3. Reset Password BIOS via hardware.
    4. Reset Password BIOS via default manufacturers.

    You can contact acer support or search internet for Acer's default BIOS password and that would be real easy for you, But if you are comfortable enough to use Dos you can also try this method.

    OK, here is my guide to Remove Acer Bios password computer via Software. This has been done on testing machine Laptop Acer Aspire 3620/ Travel Mate 2420. Anyway, I'm not sure it will work on every Acer PC/Laptop so just consider to do at your own risk, I’m not responsible for any damages caused by this guide.

    As we know most of Acer computer (Laptop & Desktop) allow us to setup BIOS in Microsoft Windows (9x/XP/Vista) environment. Great, this is the powerful that help us to remove the BIOS password because all we know if we enter Setup Utility at the boot time we have only three times of filling the password and if all wrong then the system will halt. frown.gif

    The program helps us to enter Acer BIOS setup in Microsoft Windows is “Acer eSettings Management” which comes with the CD when we buy Acer PC/Laptop. If you lost the CD then just come to Acer website to download the program.

    Before you can install “Acer eSettings Management” you have to install program called: “Acer Empowering Technology” so you’d better to download both of them from Acer website and install & restart your computer to be ready for the job. Here is the link of Acer website, just come there and sellect right series/model of your computer to download these programs:

    Code: ftp://ftp.support.acer-euro.com or

    Code: ftp://ftp.work.acer-euro.com
    Another one program is also very important we will need called: “CmosPwd” - CmosPwd is a cmos/bios password recovery tool. CmosPwd is under GNU Public License. You can freely distribute it. It can be compiled under Dos, Windows, Linux, FreeBSD and NetBSD.

    Download it here:

    Code: http://www.cgsecurity.org/cmospwd-5.0.zip Guide to install CmosPwd and remove password:

    1. Download & extract to a folder. I put it in drive D like this: d:\ cmos
    2. To work on cmos memory, ioperm need to be installed and running. ioperm gives direct port I/O access for specified ports to user-mode process (ring 3) using Ke386SetIoAccessMap and Ke386IoSetAccessProcess kernel functions.

    Log on to Windows as Administrator priviledges and do as follow: (see picture):

    a. Click Start-->Run: type CMD hit Enter on your keyboard.
    b. now us the CD command of Dos to come to d:\cmos\windows. (here is: d: hit enter; cd cmos hit enter; cd windows hit enter).
    c. when you are already in d:\cmos\windows in drive D then: type “ioperm.exe –i” hit enter.
    d. to start ioperm service: type “net start ioperm” hit enter.
    e. ok, type: “Cmospwd_win.exe /k” hit enter, we will see:

    1 - Kill cmos
    2 - Kill cmos (try to keep date and time)
    0 - Abort
    Choice :

    Type 1 and hit Enter to clear cmos.

    90238142zh6.jpg


    f. run the Acer eSettings Management program: start-->program-->Acer Empower Technology-->Acer eSettings Management.

    37400896td6.jpg

    g. now come to the: Bios Password to see: if you still see password enable, that means we fail but if we see they are Disable so we are done. Remember if we success remove password then we have to create a password for it and then remove it and click Apply to save to cmos memory. This is very important because sometimes we see it Disable but when reboot the computer they are Enable again cuz the password is still in the CMOS.

    56494304cb1.jpg


    That’s all, good luck & don’t forget to set an easy password later.

    Dec 27, 2008 | Acer TravelMate 2502LM Notebook

    1 Answer

    Bios password problem


    try this,

    members have reported that they were able to remove their Acer BIOS passwords by simply opening their notebooks and removing the CMOS batteries for 30 minutes.
    Once your BIOS password is removed, you will need to press the <F2> key during POST (Power On Self Test) to enter the Acer BIOS setup.

    if that don't work, acer support charges 100.00 to reset the password, What a rip-off.

    Jul 12, 2008 | Acer TravelMate 2500 Notebook

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