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Need to access the cmos battery in my northgate green731 laptop

Trying to get the cover off my laptop to access the cmos battery, I have removed all the screws from the back and still no access . . .

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The CMOS batteries in a lot of laptops are sort of hidden in the palm rest. You may be able to see it if you remove the main battery and look up into the case. The last one I changed, I could see it. If not, you will have to separate the two halves of the case and then you'll find it.

Posted on Jan 29, 2009

  • Ron Cook
    Ron Cook Apr 01, 2011

    Just renewed my battery..quite a job. need to remove HDD,DVD drive,Battery,Memory etc. Some screws are under these items. Unclip keyboard from the front, disconect ribbon cable and remove.Unclip covers over hinges and remove. Unscrew and remove panel containing on/off switch.Unscrew hinges, remove two cables and remove screen. Remove hidden posi-drive screw under security screw on the bottom. Remove aluminium shield under keyboard and undo any remaning screws. Then and only then can you partially remove the top case section by hinginging it back on the remaining cables. Undo the second aluminium shield and there is the battery.
    Hope that this helps someone!

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Computer was locked


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
If removing the CMOS battery fails to clear the password, or if you dont 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.



Apr 22, 2013 | Acer Computers & Internet

Tip

How to clear a cmos password on a Gateway T1625 Laptop


b49ba1f.jpg
This picture is an actual replacement system board for the Gateway
T-1625 notebook. If you look at the top of the picture you will see the cmos battery location. You will need to remove the hard drive access panel which will allow you to see the battery location. You will need to remove at least 3/4 of the screws on the outside edges of the bottom of the laptop including two screws in the laptop battery location which are of different size than the rest. Set those two aside from the others. You do not need to remove the screw in the center of the laptop with the letter K next to it that is a keyboard release screw. Also remove the two screws located next to the removable wireless network module which is located next to the hard drive. Once you have removed the screws very carefully seperate the laptop casing starting from the middle of the cmos battery location and working you way out to the edges. You do not have to completely take this cover off you only need an 1/2 of an inch of space to work in. I used a hard piece of 1/2 inch plastic to wedge in the center to keep the cover open enough to work in, Once you remove the battery leave it out for a few mins then replace it and put your laptop back together in the reverse order. Your cmos will need to have it's date and time reset when you first turn it back on. Your cmos password will now be removed.

on Oct 08, 2010 | Computers & Internet

Tip

Resetting BIOS password


If you have loast the password, to reset the BIOS password you need to remove temporarily the CMOS battery , so to reset BIOS settings.

Some model may be using NV Ram, in that case removing the battery is not enough.

The battery is located on the lower side on the motherboard.

On many DELL models the battery can be accessed from the side of DVD slot, battery slot, or RAM slot, without disassemblying the laptop.

On some model you may need complete disassembly (eg. Dell Le series).

The battery usually looks like a couple of coin batteries wrapped in plastic and connected to motherboard by a two wires connector.

Before disassemblying or removing covers, always unplug adapter and remove battery.

Several Dell Laptop can be set to use NV Ram to store the password.
In this case the problem cannot be solved removing primary battery, then accessing and removing CMOS battery for few minutes.

If you still cannot reset you have two way out.

Disassemble completely and access the NVRAM microswitch, or contact Dell and get master password.

You can also try one of this standard Dell factory CMOS password:

ALFAROME
BIOSTAR
biostar
biosstar
CMOS
cmos
LKWPETER
lkwpeter
setup
SETUP
Syxz
Wodj
Dell

on Sep 11, 2009 | Dell Inspiron 8500 Notebook

1 Answer

How to unlock a computer


Is it an aspire ?
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
If removing the CMOS battery fails to clear the password, or if you dont 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.

Apr 22, 2013 | Acer Computers & Internet

1 Answer

Cmos bettry can not remove the bios password what should i do to remove the password


I found a pic of a inspiron 1200 mainboard, which shows the CMOS battery. If you can access this (it looks like it's next to the hard drive) then you should be in good shape. I'm not sure how the back covers, memory panels fit on this unit, but I would guess you'll need to remove the bottom cover to access it. The silver thing at the top is the hard drive cage, the white plastic & silver part below that is the CMOS battery and retainer, then the chipset.
Removing the battery (and the laptop battery, power cable) for 1-2 min. should reset the unit back to default settings.

4_2_2012_5_36_41_pm.jpg

Apr 02, 2012 | Dell Inspiron 1200 Notebook

2 Answers

Where is the CMOS battery on the HP G60-235DX? How do I remove it? Also, what type (model #) of CMOS battery does this laptop have?


Shut down your laptop and disconnect all power sources. Turn the laptop over and lay it face down.

Remove the screws that secure the hard drive cover and remove the cover. Take out the remaining screws that secure the hard drive to remove it.

Locate the RAM (random access memory) and wireless card cover. This is often located in the center of the laptop. Remove the retaining screws and take off the cover.

Remove the RAM module by spreading the retaining latches on each side. Tilt the RAM module at an angle and slide it out of its compartment.

Disconnect the cables from the wireless card and remove the screws that secure the wireless card to the motherboard. Remove the wireless card from the laptop.

Locate the CMOS battery. It is about the size of a coin and is secured by a clip. Unclip the CMOS battery and remove it from its compartment. Insert the new one and reassemble the laptop.

Here's a link to a video that shows you how to do it too. http://www.ehow.com/video_4984398_change-laptop-battery.html Hope this helps! Don't forget to rate.

Dec 21, 2010 | HP G60-235DX Notebook

2 Answers

I need to reset the bios password on my metrobook ltplus


At his time you need to open the back cover of you laptop to solve the problem. You need to reset the CMOS battery of jamper to clear BIOS password. To open the back cover you need to remove first the laptop battery after that fine and remove some screw.
Once you have already remove the screw and the cover you can see there a small circle CMOS battery you need to remove is to clear all stored password in CMOS memory. You can also see there a jamper near the CMOS battery just remove that and turn on your laptop with in 10 seconds and turn off. Reinsert the jamper with the same position.
Now the CMOS password are already clear just turn on your laptop first before you close the cover.

Oct 25, 2009 | MetroBook DT Plus PII-300 (MB-DT-P300) PC...

3 Answers

Bios password cant boot password protected


I have found that BIOS/CMOS Password Recovery Tool is the most effective.:
BIOS/CMOS Password Recovery Tool is a program that works instantly to remove any lost or forgotten BIOS/CMOS password. Simply boot your PC to DOS and execute the program, and get access to forgotten BIOS/CMOS passwords in just seconds
BIOS/CMOS Password Recovery Tool Service: http://www.biospasswordrecovery.com/

Oct 09, 2009 | Dell Latitude D505 Notebook

1 Answer

Need to unlock bios password on dell laptop, have service tag # and ends in 59b


Hi,

If you have loast the password, to reset the BIOS password you need to remove temporarily the CMOS battery , so to reset BIOS settings.

Some model may be using NV Ram, in that case removing the battery is not enough.

The battery is located on the lower side on the motherboard.

On many DELL models the battery can be accessed from the side of DVD slot, battery slot, or RAM slot, without disassemblying the laptop.

On some model you may need complete disassembly (eg. Dell Le series).

The battery looks like a couple of coin batteries wrapped in plastic.

Before disassemblying or removing covers, always unplug adapter and remove battery.

On Dell Inspiron 8500 the battery can be accessed from a side , after removing the primary battery.

I think Dell 8500 can be set to use NV Ram to store the password.
In this case the problem cannot be solved removing primary battery, then accessing and removing CMOS battery for few minutes.

If you still cannot reset you have two way out.

Disassemble completely and access the NVRAM microswitch, or contact Dell and get master password.

You can also try one of this standard Dell factory CMOS password:

ALFAROME
BIOSTAR
biostar
biosstar
CMOS
cmos
LKWPETER
lkwpeter
setup
SETUP
Syxz
Wodj
Dell






Sep 11, 2009 | Dell Inspiron 8500 Notebook

1 Answer

Removing acer motherboard to reset password


You don' t have to remove the motherboard. Remove the CMOS battery. The CMOS battery on a laptop is many times accessible from under the computer when you take the battery out. I've found them just outside of the main battery compartment up under the palm rest. Acer may be different. If you can't find it by looking up through the holes opened up by removing the access covers in the bottom of the case, you just may have to split the case to get at them. Just be careful when you do it. All cases come apart, but many require the removal of a number of screws first.
Try removing the battery for about a minute first (with the system unplugged, of course.

Sep 09, 2009 | Acer Aspire 3680 Laptop

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