Question about Acer Aspire 4720 Notebook

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To clear bios password in acer 4720

I have forgotton password of bios of acer laptop 4720
kindly help us

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Hello, I can unlock ANY  ACER bios password (ASPIRE, EXTENSA, FERRARI,ACER ONE MODELS). If anyone have questions feel free to visitwww.laptoprebirth.com or send an emailto conradodav@hotmail.com WE SUPPOR OTHERBRANDS LIKE SONY HP COMPAQ TOSHIBA ASUS GATEWAY DELL FUJITSU SIEMENS SAMSUNG

Posted on Jun 03, 2009

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I m forgot my bios password hw to solve this problem????

Posted on Dec 01, 2012

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This notbook has 2 batteries. the big one for the main power, and an other very small one for the bios. unplug both. unfortunatly the BIOS battery is not easily reachable. as far as i rember its is underneath the keyboard, which means dismanteling some parts of the notebook. only do that if you have certain experiance in doing such things. otherwise find someone to do so.

leave batteries disconnected 30-60 minutes. then reattach. BIOS PW should be gone now. but all other BIOS settings as well.

Posted on May 29, 2009

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Easy, pull screen, remove keyboard and top casing and voila! there it is right beside the hard drive caddy. How do I know, you may ask? I just did it through a series of trial and error. Good luck and happy computing!

Posted on Mar 26, 2010

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Posted on Jan 02, 2017

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SOURCE: to clear bios password

You can ask for a bios pw reset from the computer manufacturer tech support dept.they can try to reset the pw for you,but if that does not work, the motherboard needs to be replaced on your system

Posted on May 29, 2009

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1 Answer

Acer aspire 2920 bios password removing would you please help me out ,I forget my acer notbook 2920 bios password. i'm not able to format my laptop it's asking utility setup password, which i dont...


Hi there,

Only way is to remove the CMOS battery for an hour or two and hook it back. It should work.
Optional is conatct Acer they would have a Default password for all the machines that they produce.

Post back if it is not working we will be happy to help you.
Hope this helps.
Cheers!!!!

Jan 10, 2011 | Acer Aspire 4720 Notebook

2 Answers

Hi I am having a ACER TRAVELMATE 4720 LAPTOP I forgot the CMOS password kindly help me..


when I have had this issue in the shop, we would open the bottom of the laptop , find the cmos battery (looks like a watch battery) and short out its terminals for a minute or so. this will reset the bios to defaults, and likely dump any passwords set in the bios. if this helps you leave some feedback. Cheers

Aug 26, 2010 | Computers & Internet

2 Answers

Acer aspire 2920 bios password removing


The password to by-pass bios password are these, hope they will hope you, once you enter BIOS using these passwords you can reset it to normal
Phoenix Backdoor BIOS Passwords:
  • BIOS
  • CMOS
  • phoenix
  • PHOENIX

Mar 18, 2010 | Acer Aspire 4720 Notebook

2 Answers

I have an acer laptop 2920 i lost the password which has locked


There is only one way to clear cmos (BIOS) passwords and I'll show you the procedure.....

Steps for Clearing BIOS Password Check

If users set BIOS Password ( Supervisor Password and/or User Password ) for a security reason, BIOS will
ask the password during systems POST or when systems enter to BIOS Setup menu. However, once it is
necessary to bypass the password check, users need to short the HW Gap to clear the password by the
following steps:

q Power Off a system, and remove HDD, AC and Battery from the machine.

q Open the back cover of the machine, and find out the HW Gap on M/B as picture.

q Use an electric conductivity tool to short the two points of the HW Gap.

q Plug in AC, keep the short condition on the HW Gap, and press Power Button to power on the
system till BIOS POST finish. Then remove the tool from the HW Gap.

q Restart system. Press F2 key to enter BIOS Setup menu.

q If there is no Password request, BIOS Password is cleared. Otherwise, please follow the steps and
try again.

NOTE: The steps are only for clearing BIOS Password ( Supervisor Password and User Password ).

Below is the picture showing the location of the jumper next to the memory module slots. This is the jumper connections that have to be "shorted".


8db5855.jpg

Jan 28, 2010 | Acer Aspire 4720 Notebook

3 Answers

Acer aspire 2920 forgot my acer security password


Steps for Clearing BIOS Password Check

If users set BIOS Password ( Supervisor Password and/or User Password ) for a security reason, BIOS will
ask the password during systems POST or when systems enter to BIOS Setup menu. However, once it is
necessary to bypass the password check, users need to short the HW Gap to clear the password by the
following steps:

q Power Off a system, and remove HDD, AC and Battery from the machine.

q Open the back cover of the machine, and find out the HW Gap on M/B as picture.

q Use an electric conductivity tool to short the two points of the HW Gap.

q Plug in AC, keep the short condition on the HW Gap, and press Power Button to power on the
system till BIOS POST finish. Then remove the tool from the HW Gap.

q Restart system. Press F2 key to enter BIOS Setup menu.

q If there is no Password request, BIOS Password is cleared. Otherwise, please follow the steps and
try again.

NOTE: The steps are only for clearing BIOS Password ( Supervisor Password and User Password ).

Below is the picture of the Jumper location by the memory modules. These two points have to be "shorted".


cb2cf24.jpg

Jan 28, 2010 | Acer Aspire 4720 Notebook

2 Answers

To clear bios password


You can ask for a bios pw reset from the computer manufacturer tech support dept.they can try to reset the pw for you,but if that does not work, the motherboard needs to be replaced on your system

May 29, 2009 | Acer Aspire 4720 Notebook

1 Answer

Computer asks for primary master password and i dont no what it is please help acer travle mate 230/280


you won't able to crack the password. you either have to flash the bios or reset it by opening up the laptop and using the "bios flashing jumper"

Apr 22, 2009 | Acer Aspire 4720 Notebook

1 Answer

I have been locked out of the bios. Its asking for a password I dont know. Any ideas?


Bios passworrd is stored in cmos battery....If u can remove the cmos battery and insert it again...bios will not ask for password..its a small silver color battery in motherboard....

Apr 21, 2009 | Acer Aspire 4720 Notebook

2 Answers

I want break my hdd password and laptop bios password


Bios password can usually reset by removing laptop battery and clock battery from motherboard, but HDD password as i know cant remove. You should change your HDD.

Apr 09, 2009 | Acer Aspire 4720 Notebook

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