Question about Dell Latitude E6420 PC Notebook

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I ned to unlock the bios psword for dell latitude e6420

Need to unlock the bios psword for dell latitude e6420

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The solution depends on whether your laptop was made before or after 2004. If it is a post-2004 model, you must call Dell Support to reset the password for you.

If it is a pre-2004 model, you can follow these steps:

Perform the safety steps in the order below.
Warning: these steps are for your personal safety and the protection of the equipment.

    Turn off your computer, and then unplug the power cable.
  1. Wait 5 seconds.
  2. Disconnect all external devices.
  3. Disconnect any telephone or network cables from your computer.
  4. Press and hold the Power button while your computer is unplugged to dissipate static electricity from the motherboard.
  5. Before touching anything inside your computer, ground yourself with a wrist-grounding strap or by touching an unpainted metal surface, such as the metal at the back of your computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity.

To use the jumper to reset the BIOS password

Note: On the Dell Manuals page, download the Setup Guide or Service Manual for your laptop. Then refer to the System Board Components section for a labeled illustration of the jumpers on the motherboard.
  1. Ensure that your work surface is flat and clean to prevent scratching your laptop's cover.
  2. Remove the battery from your laptop.
  3. With your laptop still turned off and unplugged, remove the cover.
  4. To locate the password jumper on the motherboard, look for the letters PWD, PSWD or PSWDCLR.
  5. Choose an option:
    If there are 2 metals pins under the jumper
    1. Remove the jumper from the pins, replace the cover, reconnect the power cable and turn on your laptop.
    2. After the Windows logon screen appears, turn off your laptop.
    3. Again, disconnect the power cable. Press and hold the power button for 10 seconds to release static electricity from the system.
    4. Remove the cover.
    5. Replace the jumper in its original position covering the 2 pins. This will re-enable password feature.
    6. Replace the cover.
    7. Reconnect the power cable and other connections, replace the battery and turn on your laptop.

    If there are 3 pins under the jumper
    1. Remembering which two pins are covered, remove the jumper from those pins.
    2. Reinstall the jumper in a different position. For example, if you removed the jumper from pins 2 and 3, reinstall the jumper over pins 1 and 2.
    3. Replace the cover and reconnect the power cable.
    4. Turn on your laptop and wait 5 seconds. Then press and hold the Power button until it turns off again.
    5. Disconnect the power cable again. Press and hold the power button for 10 seconds to release static electricity from the system.
    6. Replace the jumper over the original 2 pins.
    7. Replace the cover.
    8. Reconnect the power cable and other connections, replace the battery and turn on your laptop.

    You can now assign a new system and/or setup password. For more password information, refer to the Passwords section of your laptop's service manual.

Posted on Jun 18, 2014

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SOURCE: how can i unlock dell latitude d420 bios password

Clearing the CMOS will reset the password...
Take the button cell battery out for a few minutes, put it back in, and all settings, including the password, should go back to defaults.
Unfortunately it looks like your BIOS battery is under the keyboard...
Dell has got what looks like decent directions here, for getting at it:
http://support.dell.com/support/edocs/systems/latd420/en/SM_EN/coinbatt.htm#wp1123951

Posted on Nov 25, 2008

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SOURCE: dell latitude d620 bios password removal

To remove a BIOS password will require the assistance of Dell Tech Support. 800-624-9896 You will have to be able to prove you are an authorized user and if out of warranty a Fee may be involved.

Posted on May 17, 2009

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SOURCE: Bios Password dell Latitude D610

After a lot of research and many attempts to unlock my Dell Laptop with bios password, while talking to Dell Support, I finally found this website www.biosunlock.com

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Posted on Nov 17, 2011

joelwilcox
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SOURCE: What's your problem?- CANT LOAD WINDOWS 7 ON LATITUDE E6420

it comes preinstalled with windows 7, what error message are you receiving while attempting install? if you mean it doesn't load the actual OS after booting, what error are you getting? does start up repair attempt to run?

Posted on Jul 03, 2012

reese_glen
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SOURCE: Need help with bios password dell latitude e6420 #GJCB7R1-1D3B

Only servicebios.com can perfectly remove your new dell 1d3b tag ending.

Posted on Nov 27, 2012

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their password never failed.

I tried removing the battery @
Short Cicuting jump but could find their location
tried some known backdoor password
nothing worked !

Award BIOS backdoor passwords:
ALFAROME BIOSTAR KDD ZAAADA
ALLy CONCAT Lkwpeter ZBAAACA
aLLy CONDO LKWPETER ZJAAADC
aLLY Condo PINT 01322222
ALLY dShocked n pint 589589
aPAf djonet SER 589721
_award HLT SKY_FOX 595595
AWARD_SW J64 SYXZ 598598
AWARD?SW J256 syxz
AWARD SW J262 shift + syxz
AWARD PW j332 TTPTHA
AWKWARD j322
awkward

AMI BIOS Backdoor Passwords:
AMI BIOS PASSWORD HEWITT RAND
AMI?SW AMI_SW LKWPETER CONDO

Phoenix BIOS Backdoor Passwords:
phoenix PHOENIX CMOS BIOS

Misc. Common Passwords
ALFAROME BIOSTAR biostar biosstar
CMOS cmos LKWPETER lkwpeter
setup SETUP Syxz Wodj

Other BIOS Passwords by Manufacturer
Manufacturer Password

VOBIS & IBM merlin
Dell Dell
Biostar Biostar
Compaq Compaq
Enox xo11nE
Epox central
Freetech Posterie
IWill iwill
Jetway spooml
Packard Bell bell9
QDI QDI
Siemens SKY_FOX
TMC BIGO
Toshiba Toshiba

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