Question about Acer Aspire 3690-2196 Notebook

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Acer Aspire 3694

Were can i find the Cmos battery so i can reset my bios password?

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  • playmaxro Jul 30, 2008

    thx for your answer, it helped me to find a 3rd way to break a CMOS password, i`ve found the CMOS battery but my misfortune was that i couldn`t remove it since it was incorporated, but i use a wire to short on the battery, i`ve let the wire for like 10 minutes and it worked both of CMOS passwords were removed, thx a lot

  • Anonymous Oct 07, 2008

    My BIOS isn,'t work

  • Anonymous Mar 13, 2014

    Acer aspire 5551g cmos reset

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  • Acer Master
  • 12,061 Answers

It generally is under a flap under side of the lappy.. however if ya can't find it.. there are other ways.. I have given ya a couple of links to help.

www.cgsecurity.org/wiki/CmosPwd

www.wikihow.com/Break-a-BIOS-Password

Posted on Jul 28, 2008

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Posted on Jan 02, 2017

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How to remove the bios password and the windows password


Step 1:
The Acer Aspire stores the password in a component called the complementary metal-oxide semiconductor. This component is integrated into a random access memory chip embedded on the motherboard. The CMOS holds data that the basic input/output system - a critical software utility that controls how the computer operates at startup - accesses when the computer boots. If the BIOS detects that a password is registered in the CMOS, it will prevent the computer from booting until the user enters the password correctly. Depending on which model of Acer Aspire you own, you may be able to clear the CMOS manually. Contact Acer before attempting to clear the CMOS, as opening the computer without permission could void your warranty. Desktop Models Some Acer Aspire desktop models come with a jumper that is used to clear the password and other settings stored on the CMOS. This jumper is located on the motherboard and is often found next to a label such as "JBIOS1" or "CLR_CMOS." To clear the CMOS using the jumpers, turn off the computer, disconnect the power cable and remove the case cover. Remove the jumper shunt from pin 1 and pin 2; then place the shunt on pin 2 and pin 3. Return the shunt to its initial position after 10 to 15 seconds. If the Aspire doesn't come with a jumper to reset the CMOS, the CMOS can be reset by removing the lithium coin-cell battery instead. Removal is accomplished by pushing down on the tab securing the battery to the motherboard and lifting the battery out of its slot. Leave the battery out for 24 hours, and then return it to its original position with the positive sign facing up. Laptop Models b> Resetting the CMOS password on an Acer Aspire laptop is much more difficult than resetting the password on a desktop. Disassembly steps vary from model to model, but on most models, you'll have to take apart the computer to access the CMOS battery. Don't take apart the notebook if you don't have experience disassembling PCs. After turning off the computer and disconnecting the AC adapter, take out the battery (different from the CMOS battery). All visible screws must then be removed from the bottom of the notebook. Remove all components stored to their separate compartments on the base of the notebook. Turn over and open the PC. Lift up the switch cover and remove the screws securing the keyboard to the PC, if any are visible. Remove the keyboard. Remove the screws securing the monitor to the hinges, and then set the monitor aside. Disconnect all visible cables connected to the motherboard; and then remove the screws from the top cover. Remove the top cover to reveal the motherboard. Locate and then remove the CMOS battery. Leave it out of the notebook for 24 hours; then reinstall it and reassemble the Acer Aspire. Other Options b> If removing the CMOS battery fails to clear the password, or if you don't feel comfortable with the idea of opening your computer, you might be able to gain access to the computer using a backdoor password. These special passwords were implemented to allow technicians to access locked computers. Not all models recognize backdoor passwords. Most Acer Aspires use the Phoenix BIOS, and backdoor passwords for this BIOS include "BIOS," "CMOS," "phoenix" and "PHOENIX." All of these passwords are case-sensitive.

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I know some methods to reset bios password.
1. The best and easiest method: Close OS and shut down the electricity power of computer. Open your computer box, take out the cmos battery from the mainboard. Then the bios password will be reset to blank. Put it back after a few minutes.
2. Follow some tutorials. For example the tutorials:
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Top 3 methods to crack bios password!
3. Use the bios password recovery tool , but that is not free!

So I would suggest you the 1st method. Hope it helps.

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pull out the cmos battery as well as the battery, and leave it for 3 minutes. then put the reg. battery back in and boot it up. it should say password disabled. Turn it off and put the cmos battery back in, it should work now. leave positive feedback!

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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
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1 Answer

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Hi the only possible way to reset the password in the BIOS is to reset the CMOS battery. It is located in one of the panel below the sys (you must have proper expertise to do this) towards the right hand side. The battery is set on a jumper You first need to disconnect all power source i.e adaptor and battery. than remove the panels to try and locate the CMOS Battery. Remember not to tuch anything else or connect any of the cables any where else it may cause a problem for the sys and you. Once the CMOS battery is reset the BIOS password will have gone.
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to reset bios password just take out the cmos battery and reinstall

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The only way to reset the BIOS password is to find the jumper pins on the motherboard and set them to the clear state and remove the CMOS battery. It resets the CMOS to the default state.
Your best bet is to contact tech support and explain the situation to them

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Search for !BIOS,
or
remove the battery on the laptop's motherboard, wait a few minutes, then reinsert the battery,
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Read your laptop's manual and find a BIOS reset jumper, and put a piece of metal between the two prongs to reset the BIOS.

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open the laptop and disconnect the cmos battery.wait for a minute then then replace back the battery.then post screans messages will appear.follow screen instructions.u

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