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Posted by / 18-Jan-2018 00:41

Updating bios administrator

But then luck turned on me and i found an old forum thread where my solution was and it is really simple. HPZ800 has been out for a while (actually it is an old Workstation/Towerstation in 2010).The Debug command can be executed from booted Windows Command Prompt or from Free DOS . Install Free DOS on a USB flash drive using Rufus or UNetbootin. Download the tool and save it to the root of your USB flash drive. Boot up the computer with your USB flash drive and type the following commands: (take note that the second and third commands start with the letter O and not the number zero.) If the commands are similar to what cmospwd does to erase the cmos then this will brick a laptop that stores the password in an eeprom.

You might be able to get the information by entering the serial number of the PC on a Web site, but when it comes to flashing your BIOS you need to be 100 percent accurate and the information on the Web site could be incorrect.

If the machine lets one boot but does not want to let the user into the BIOS setup utility, because of the BIOS supervisor password one possible recovery is to deliberately "damage" the CMOS checksum by doing direct port writes using DOS command-line tool, corrupting some bytes of the checksum-protected area of the CMOS RAM; at the next boot, the CMOS typically resets its setting to factory defaults.

Supervisor Password: This password prevents access to BIOS setup utility for preventing changing BIOS settings in the future.

Of course, you can also download a local copy here: https://rot47.net/9j and you will have a few folders: Click start menu and right click your current user-account icon. After a while, you should be able to sign in the PC using local account Administrator.

Now, you should be able to run the without problems. Run net user administrator /active:no as Administrator to deactivate the local Administrator account if you don’t need it.

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In older computers with battery-backed RAM, removal of the battery and short circuiting the battery input terminals for a while did the job; in some more modern machines this move only resets the real-time clock (RTC).