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My school was giving away old broken Dell Optiplex 745s away, so after working on it for a few days, I got it to work. But when I turned it on, it was still connected to the schools domain. So when I tried to change the password, there was no password to change. I've tried many things, but to no avail.
Jon_30
Posted 2016-03-07T00:08:48.970
Reputation: 3
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It seems strange that a school would give away any system without first wiping the drive.
You need to log in to an administrator account to dis-join from the domain. If a local account exists, you can log in locally with the username .\[username] or [hostname]\[username]. If you don't have access to the local username & password, you can use a linux boot drive with ntpasswd to view and reset these. http://pogostick.net/~pnh/ntpasswd/
After logging in to an admin in windows, dis-join by going to computer properties, Change Settings by doing the following:
Step 1. Click Start button, then point to Computer.
Step 2. Right-Click Computer, then click Properties.
Step 3. Under the Computer name, domain, and workgroup settings, click Change Settings.
Step 4. Then hit Change, change the Member of Option to Workgroup, hit OK.
Step 5. You will be prompted the administrator’s account, type it.
Step 6. Then restart your computer.
Yanzzee
Posted 2016-03-07T00:08:48.970
Reputation: 413
Please read How to reference material written by others and make sure you "block quote" quoted material (Markdown help). I've fixed it for you this time, but please pay attention to this in future.
– DavidPostill – 2016-03-07T15:06:16.587
there is most likely a local account stored on the computer - have you tried creating a DOS boot (Hirens or RMPrepUSB to name 2) and reset the local account login password? – Mike Diglio – 2016-03-07T01:57:59.963
Yes, I have tried using two with a USB but both failed to load – Jon_30 – 2016-03-08T03:07:42.653