Question about Lenovo 3000 N200 Notebook

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Keyboard removing forgot my password and i want to remove the cmos battery under the keyboard

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If you need to remove the keyboard ...
there's a manual for this.

ftp://ftp.software.ibm.com/pc/pccbbs/mobiles/42x3553_02.pdf

you start with the pannel with the on/off button, best to start on the right side with a flat screwdriver and pull it off. make sure the screen is pushed back far enough because the silver coverage of the screen screws goes of, too.
then you take off the keyboard, be gentle. first unwind the two black screws at the top. there are four of them, leave the ones on the blue circuit board alone.
when removing the keyboard be careful not to pull it off too qouikly, because the connection line is pretty short. to gett the line off, there are two grey handles on each side od the connection box on the circuit. push them towards the screen gently to unhook the connection line.

gist a question: where is the battery, or rather: what the hell does it look like?
on lenovo forums someone said that to reset the cmos, you need to circuit the contacts of the black and white cable next to the hdd. i thought the lead to the cmos, but now i saw the lead into the screen. so how exactly did he circut the cmos on those contacts?

Posted on Feb 21, 2009

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Posted on Jan 02, 2017

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1 Answer

How to remove bios password of compaq armda 1700


The most common way that we know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing the Cmos battery for 30 minutes from the motherboard.

Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the

BIOS/CMOS settings for the motherboards PROM chip. So by cutting off cmos the battery power, the BIOS/CMOS settings will be erased.

cmos battery Under the keyboard or bottom of laptop If you are working on a laptop computer the location of the dipswitch (almost never a jumper) can be under the keyboard or on the bottom of the laptop in a compartment such as the memory compartment.

Although on some motherboards the Cmos battery is soldered in

if you have no joy

click start type cmd press enter

At command prompt type debug
you will get a - prompt where you can type the following (<enter> means press enter, not type enter*)

A <ENTER>
MOV AX,0 <ENTER>
MOV AX,CX <ENTER>
OUT 70,AL <ENTER>
MOV AX,0 <ENTER>
OUT 71,AL <ENTER>
INC CX <ENTER>
CMP CX,100 <ENTER>
JB 103 <ENTER>
INT 20 <ENTER>
<ENTER> just hit enter on this line
G <ENTER>
Q <ENTER>

Basic BIOS password crack - works 9.9 times out of tenhope it helps

May 10, 2012 | Compaq Computers & Internet

1 Answer

I forgot my bios password of my laptop hp 6730s and cant even reformat it ? any help plz ? thank you so much .


You need to clear the cmos. This is accomplished by removing the cmos battery for 5-10 minutes.
1. Remove the battery 2. Remove the keyboard 3. Remove the LED switch cover 4. Remove the cmos battery cable from the motherboard 5. slide the battery out of the brack
Reverse the step after 10 minutes and the bios should be reset. On first boot you are going to need to reset your clock, settings etc.

Jun 28, 2011 | HP Compaq 6730s Notebook

1 Answer

I need to rest password in bios


Hi,
Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords and CMOS settings to be cleared. BIOS password can be removed by temporarily disconnecting/ removing the RTC/ CMOS (Coin-cell) battery from the motherboard.
Disconnect the coin-cell battery from the system board and it will reset the BIOS to its default setting and the password would be gone.
Please Refer to Page 29, 106 & 79 of the REPAIR MANUAL IBM T40 for Battery removal, keyboard removal and RTC battery removal instructions.
The Backup Battery (RTC, CMOS) is located under the keyboard. So you have to remove the keyboard to access the battery. The above Manual from IBM shows the exact method/ instructions and pictures for laptop dis-assembly for the purpose.
If you are comfortable with working inside such electronics, you can't do it yourself, or else you may seek help from local laptop service professional.


Hope it helps! Good Luck! Thanks for using Fixya!
CreativeTECH

Jun 21, 2011 | IBM ThinkPad T40 2373 Notebook

1 Answer

I cannot open my friendster account because i forgot my password.pls.help


Remove a small coin sized CMOS battery to store all BIOS settings along with the password. To reset the password, unplug the PC, open the cabinet and remove the CMOS battery for approx. 15-30 minutes and then put it back. It'll reset all BIOS settings as well as the password and you'll need to re-enter all settings.

Under the keyboard or bottom of laptop - If you are working on a laptop computer the location of the dipswitch (almost never a jumper) can be under the keyboard or on the bottom of the laptop in a compartment such as the memory compartment.

If it fails, then try to remove the battery for at least one hour.

click start control panel Open User Accounts in Control Panel. On the Users tab, click the name of the user whose password you want to change, and then click Reset Password. In New password and Confirm new password, type the new password, and then click OK. Notes You can change passwords only for local computer accounts, such as guest, administrator, or accounts you create for your computer. You cannot change your network logon password in User Accounts. To change your own password, press CTRL ALT DELETE and then click Change Password

hope this helps

Jan 28, 2011 | Computers & Internet

3 Answers

Forgot my cmos password need to reset it in my toshiba p505d s8935 laptop


Hello,
It is difficult to reset the BIOS password.Only the reason it is the back door password and locate behind the BIOS chip .
I am giving a link you can try from here there is 50 % chance to reset the password.
Fallow the bellow link.

http://jevarax.wordpress.com/2008/08/08/how-to-clear-your-toshiba-bios-password/

Regard's
Shibuds

Jan 05, 2011 | Toshiba Satellite P505D-S8935 Notebook

1 Answer

I forgot my bios password. Need help!


Hello sir, hi, most laptop and desktop computers BIOS is powered by a cmos battery, removing this battery and power on the unit will clear the cmos momentarily. including no password. BUT removing the battery needs dissassembly of the laptop. Some laptops the battery is under the keyboard, if this is not your options try google and search removal bios password.

Oct 27, 2010 | Sony VAIO VGN-FZ470E/B Laptop

2 Answers

Forgot my power on password


Remove the battery and to the power cord.
Remove the two screws that secure the keyboard. After removing the keyboard, remove the battery “RTC” to stop providing energy to epprom BIOS. After the upgrade or downgrade, or any repair, leave the Laptop for 5 minutes, without any source of energy.
Then connect only the power cord without battery and without the battery “RTC” of the Bios.
then turn on the pc without the battery and press f10 change the admin password put the battery of the laptop again not the rtc battery then save changes and exit, reeboot with the win xp disk inside , change boot order and done i garantied it work install xp and then connect the rtc battery done. jajaja easy

Aug 11, 2009 | HP Compaq nx6110 Notebook

2 Answers

Can't boot and forgot bios password on ibm r50e


You need to remove, or short, the cmos battery. I'll be on the motherboard somewhere, possibly under the keyboard. Remove all screws, carefully, slide back any tabs on the keyboard and carefully remove. Only do this if your warranty has expired.

May 15, 2009 | Computers & Internet

1 Answer

I can not clear password in CMOS/BIOS setup in my Laptop.


You must take out the CMOS battery its normaly located somwhere under the keyboard. When its out with power removed use somthing metal to touch the pins together on the board where it plugged in. (If you arent game to do this then just leave battery out for an hour or so) Here is pictures of different batteries so you know what they look like.
http://images.google.com.au/images?gbv=2&hl=en&sa=1&q=laptop+cmos+battery&aq=f&oq=

If you want more specific instructions then ill need a laptop model number.

Apr 26, 2009 | Acer Aspire 3680 Laptop

7 Answers

Where to find the CMOS battery


take out the keyboard from the bottom side with a flat screw driver under it there´s a few screws take it out lift the cover and there is the battery.

Oct 27, 2006 | ASI CL51-15 Notebook

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