Bought Used Compaq 5000US at Yard Sale. Have limited User Account. Need Administrator Password. How?

1. Bypass Windows 7 Logon Password with Command Prompt While computer couldn't boot normally or notebook is infected with Trojans or malware, you can get rid of them by starting computer in Windows Safe Mode. Furthermore, when lost or forgot Windows password, you can also bypass Windows 7 logon password easily in Safe Mode.
In Windows 7, there are 3 different types of safe modes to choose, Safe Mode, Safe Mode with Networking and Safe Mode with Command Prompt. And the following guide is about how to bypass Windows login password with Command Prompt in Safe Mode. With net user command in Windows safe mode, you can reset Windows password effectively. Details as follows:
Step 1: Start or restart your Windows 7 computer.
Step 2: Press F8 to enter Advanced Boot Options before the Windows 7 loading screen appears.
Step 3: Choose Safe Mode with Command Prompt in the coming screen, and then press Enter.
Step 4: Wait for Windows 7 files loading until Windows login screen comes up.
Step 5: Log in Windows with an administrator account until you see login screen.
Step 6: A Command Prompt appears. Type net user in the Command Prompt and then hit Enter. All Windows user accounts will be listed for you.
Step 7: Type net user iSunshare 12345 and hit Enter.
Note: "iSunshare" is your locked Windows user account name. And "12345" means the new password you want to reset for the locked account. User account "iSunshare" will be reset with new password "12345".
Step 8: The new password has been successfully reset for user when the command is completed successfully.
Step 9: Login Windows 7 PC with the new password.
Whenever you need to access Windows in Safe Mode, an administrator account password is necessary. So it is highly recommended that write down Windows password and store it or creating a Windows password recovery disk before Windows password lost.

In windows XP, an account with the user ID "Administrator" is automatically created with a blank password (or Administrator. I can't remember). If u haven't changed that password, boot in safe mode and log on using that account and change the passwords through User acounts in control panel.

Here is a simple way to access Windows XP with Administrator rights and privileges if you have password protected your User account on your Windows XP system and can't remember the password(s) to login. Whenever Windows XP is installed on a system, it creates a default account called "Administrator" and by default this account is not password protected. Therefore, if you bought a brand name computer (such as Dell, HP, Compaq or Sony)or you have installed Windows XP yourself. You should be able to login to the computer through the unprotected.

You can log on as an administrator to assign a new password to your account. To do this, try Method 1.

Method 1: Switch ON the PC, boot the PC in 'Safe Mode' by continuously tapping F8 button after you switch on until you get the Safe Mode Option.

Let windows boot in Safe Mode and log in to windows.

Click through several self-explanatory screens until your reach the familiar 'Welcome' screen.

Note that this welcome screen is limited to 256 colors and 640x480 resolution because the primary graphics will have been set to the Windows Safe Mode software VGA adapter. You will not be able to change this mode even in Display options, while Windows is running in Safe Mode.
Find the icon for the Administrator user. If the default settings of your system haven't been changed, there should be no password for this account.
Continue on to the User Settings control panel. Here you can change any of the other passwords for user on the machine. Make any changes you want.
Reboot your computer. As long as you don't press any keys (e.g. F8) during the boot-up the computer will startup normally.

Here is a simple way to access Windows XP with Administrator rights and privileges if you have password protected your User account on your Windows XP system and can't remember the password(s) to login. Whenever Windows XP is installed on a system, it creates a default account called "Administrator" and by default this account is not password protected. Therefore, if you bought a brand name computer (such as Dell, HP, Compaq or Sony)or you have installed Windows XP yourself. You should be able to login to the computer through theunprotected Administrator account.

You can log on as an administrator to assign a new password to your account. To do this, try Method 1.

Method 1: Switch ON the PC, boot the PC in 'Safe Mode' by continuously tapping F8 button after you switch on until you get the Safe Mode Option.

Let windows boot in Safe Mode and log in to windows.

Click through several self-explanatory screens until your reach the familiar 'Welcome' screen.

Note that this welcome screen is limited to 256 colors and 640x480 resolution because the primary graphics will have been set to the Windows Safe Mode software VGA adapter. You will not be able to change this mode even in Display options, while Windows is running in Safe Mode.

Find the icon for the Administrator user. If the default settings of your system haven't been changed, there should be no password for this account.
Continue on to the User Settings control panel. Here you can change any of the other passwords for user on the machine. Make any changes you want.
Reboot your computer. As long as you don't press any keys (e.g. F8) during the boot-up the computer will startup normally.

Login With the Administrator Account in Windows XP Professional

Click the "Start" menu and then click "Log Off."

Click "Switch User" when the prompt screen opens.

Press "Ctrl," "Alt" and "Delete."

Click on "Administrator" when the "Log on to Windows" screen pops up. Type in the administrator password, if applicable.

Click "OK." You will now be logged in as the administrator.

Log On as An Administrator in Windows Vista

Start your computer and allow it to continue through its startup process. By default your computer will simply load directly to the primary user account (usually the administrator account), but if there are multiple users on the system it will load to the account login screen.

Use the mouse to click on the administrator account from the list of available accounts to log on. This step is only necessary if you've customized Windows Vista with more than one account or you have set the operating system to load the login screen first.

Enter the password required in the password field to log on to the administrator account.

Click the "OK" or "Log On" button once you have entered the password. This button may be labeled differently depending on the version of Windows Vista or any GUI (graphical user interface) changes you may have made.
Log on as an administrator from within the Windows Vista environment by clicking on "Start" and then "Log Off." As soon as you have logged off, you will be returned to the login screen where you can choose the administrator account from the available list.

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Good luck.

Thanks for using FixYa

Log in in Safe Mode (pressing F8 befor the Windows logo appears); select Safe mode from the list. Once logged in (As Administrator) go to Control Panel> User Accounts, select the user account and select "Remove my password". Restart the PC, and you will be back to business.

if you forgot your password restart in bios then advanced or security and user passwords you can change
bios administrator password i am not sure if you can change or remove if you forgot it

you can also restart in safemode and follow instructions i gave you earlier

let me know

Power up your 'puter and press f8 to enter windows in safe mode.When it boots into safe mode go to your start button... select control panel.. and find user accounts . Enter and make yourself a new user account.. select administrator account . Close and and reboot the computer. Select your new user account and it should boot into windows. Go back to user accounts and you should see your account.. a guest account.. and the account of whoever owned the computer before you . That account will say password protected. select delete user account and click on the old users account . Windows will say it will delete the account and all files of the user. if it asks select ok and be patient . It will be a few minutes as windows deletes the account. Do a final reboot and the old account and password should be gone.
Good luck.
Don