#DELL LATITUDE D420 BIOS BATTERY RESET HOW TO#
#DELL LATITUDE D420 BIOS BATTERY RESET PASSWORD#

Please read the important notes at the end of this section before to try any of these methods. If you can't access the computer when it's on, and the standard backdoor passwords didn't work, you'll have to flash the BIOS via hardware.

The numbers which follow are two bytes in hex format. QNote that the first letter is a 'O' not the number '0'. Once you are in the debug environment enter the following commands: You'd better do it in pure MS-DOS mode, not from a MS-DOS shell window in Windows). You can reset the BIOS to its default values using the MS-DOS tool DEBUG (type DEBUG at the command prompt.

#DELL LATITUDE D420 BIOS BATTERY RESET HOW TO#

However, it might happen you don't have one of those programs when you have access to the computer, so you'd better learn how to do manually what they do.

#DELL LATITUDE D420 BIOS BATTERY RESET PASSWORD#

If you have access to the computer when it's turned on, you could try one of those programs that remove the password from the BIOS, by invalidating its memory. The last two passwords in the AWARD BIOS list are in Russian. Also remember that passwords are Case Sensitive. Note that the key associated to '_' in the US keyboard corresponds to '?' in some European keyboards (such as Italian and German ones), so - for example - you should type AWARD?SW when using those keyboards. LKWPETER, lkwpeter, BIOSTAR, biostar, BIOSSTAR, biosstar, ALFAROME, Syxz, Wodj Other passwords you may try (for AMI/AWARD or other BIOSes)

The first, less invasive, attempt to bypass a BIOS password is to try on of these standard manufacturer's backdoor passwords:ĪWARD SW, AWARD_SW, Award SW, AWARD PW, _award, awkward, J64, j256, j262, j332, j322, 01322222, 589589, 589721, 595595, 598598, HLT, SER, SKY_FOX, aLLy, aLLY, Condo, CONCAT, TTPTHA, aPAf, HLT, KDD, ZBAAACA, ZAAADA, ZJAAADC, djonet, %øåñòü ïpîáåëîâ%, %äåâÿòü ïpîáåëîâ%ĪMI, A.M.I., AMI SW, AMI_SW, BIOS, PASSWORD, HEWITT RAND, Oder When you turn on the host machine, enter the CMOS setup menu (usually you have to press F2, or DEL, or CTRL+ALT+S during the boot sequence) and go to STANDARD CMOS SETUP, and set the channel to which you have put the hard disk as TYPE=Auto, MODE=AUTO, then SAVE & EXIT SETUP. It works on most versions of the AWARD BIOS.

Dell latitude d420 bios battery reset