Original publisher: xingwjin
What should I do if I forget my laptop power-on password? Please use the first method if I forget my ordinary account password. Method (1) Restart the computer. When starting the system login interface, hold down the Ctrl+Alt key at the same time, and then double-click the Del key, and a new login interface will appear. Enter the Administrator password in the user name, and then log in. After logging in, open the control panel and select/User Account/Change Account/Click the original "Account Name"/Change My Password/Enter a new password, and then enter the new password again. If the computer administrator forgets the password, please use the second method or the third and fourth methods. Method (2) 1. Restart the computer, hold down the F8 key until the advanced options screen appears, then release your hand, select "Command Prompt in Safe Mode" and press Enter. 2. At the end of the running process, the system lists the selection menus of system super user "Administrator" and local user "* * * * *", and clicks "Administrator" to enter the command line mode. 3. Type the command: "user * * * 123456/add" to change the password of "* * * *" user to "123456". If you want to add a new user here (for example, user name is abcdef and password is 123456), please enter "userabcdef 123456/add". After adding, you can use the "local group administrator SabCDEF/Add" command to promote the user to the "administrator" of the system management group. 4. Restart the computer and select the normal mode to run. You can log in the user "* * * * *" with the modified password "123456". Methods (3) Install the CD-ROM repair system in Windowsxp system to crack the password of the super computer administrator. Step 1: Set the system to CD-ROM startup and put it into system security.
2. What should I do if I forget the login password of Lenovo notebook?
The method for eliminating the power-on password is as follows:
The first method: the power-on password can be cleared by CMOS discharge.
Open the back cover of the notebook, find a small battery on the motherboard, and then * * * wait about 10 minutes before reinstalling it to clear the original password setting of the BIOS.
The second method: use winpe to modify the boot password.
1. Boot the computer into win PE system with U boot disk, and double-click "Clear Login Password" on the running desktop.
2. Select "Search All Volumes" in the pop-up window. , click "Next" button.
3. Select the Windows partition whose password you want to reset (clear), and then click Next.
4. Select the account you want to operate in the next window, and then click Next.
5. Click Next, select "Clear this user's password" in the pop-up window, and then click "Save".
6. Click the "Y" button under the "Save Parameters" window that appears.
7. Click OK under the second Save Parameters window that appears.
3. What if Lenovo laptop forgets its password?
Dear Lenovo users, hello!
Hello, I can't unlock my laptop if I forget my power-on password. I suggest you go to Lenovo service center to reinstall the system. Provide you with a service hotline connection:? Intcmp=FM_LBBS_baidureply For more detailed consultation, please contact Lenovo Service WeChat Engineer:? Intcmp=Baiduzhidao Lenovo service WeChat provides you with various self-help and manual services anytime and anywhere.
I look forward to your satisfactory evaluation, thank you for your support to Lenovo, and wish you a happy life!
4. What should I do if I forget the password of Lenovo laptop administrator?
Method 1: When the computer is turned on, press F8 to enter the "Safe with Command Prompt" mode, and enter "User+User Name+123456/ ADD" to force a user's password to be "123456" Method Er Ru users who forget their login password can solve 1 in the following ways. When the computer starts, press [[〔F8〕] and select [Safe Mode with Command Prompt]. 2. After selecting [[Administrator], the [Command Prompt] window will pop up. 3. Use the command of [] to add. Add a user, for example, add a user name alanhkg888. The command syntax is as follows: user alanhkg888/add 4. Enhance the power of newly added users to the administrator, for example, enhance the power of newly added user alanhkg888. The syntax of this command is as follows: local group administrator alanhkg888/Add 5. Restart the computer after completing the above steps, and a user alanhkg888 will be added to the startup screen. Select Allen ·HKG 888 and enter 6. After logging in, select the user who forgot his password in Control Panel → User Account. Then select [Delete Password], and then select [Wait] 7. Select the original user in the login screen and wait without a password (because the password has been deleted) 8. To delete the newly added user, select [[Alan HKG 888]] in [Control Panel] → [User Account], and then select [Delete Account], which will * not apply to forgetting the [[Administrator] password set during installation.
2. When the running process stops, the system lists the selection menus of super user administrator and local user owner. Click Administrator to enter command line mode. 3. Type the command "user owner 123456/add" to change the password of the owner user to "123456".
If you want to add a user here (for example, the user name is abcdef and the password is 123456), please enter "User abcdef 123456/add". After adding, you can use the "local group administrator ABCDEF/Add" command to promote the user to the administrator of the system management group, who has super privileges. 4. Delete the SAM file in windows\system32\config under 4.DOS. Press the Delete key of the keyboard to enter the BIOS interface after booting.
User password option turned off by default was found. Start and enter the user password (1~8 digits, English or numbers).
The computer will prompt you to enter your password again to confirm whether it is correct. After saving and exiting, restart the machine. At this point, a password menu will appear at startup. Method 4: Make use of the loopholes in the input method to make an administrator account. The specific method is as follows: Windons will start itself after startup, and a login window will appear, displaying the user name and asking for a password (of course, you won't have a password at this time). At this time, please focus on the user name and use Ctrl+Shift to switch the input method (just choose one, as long as the input method toolbar can appear).
Right-click the input prompt toolbar that appears and select Help to open the Help window. Next, you need to find a hyperlink (underlined in green) in this window, and then click it with SHIFT+ left mouse button. After opening, an IE window will pop up. Please enter c: in the address bar of the window, and you should know how to do it by this step.
Just click the standard button "Up" and you will find that you can enter the "Control Panel". After entering, you can directly enter "Users and Passwords". Method 5: We know that in the process of installing Windows, firstly, we log in as an "administrator" by default, and then we will ask to create a new account, so that we can log in with this new account when entering Windows. Only this created user account will appear in the login interface of Windows, but the "administrator" account still exists and the password is empty.
Institute of Computing Technology, Chinese Academy of Sciences 1 1 Lenovo Group, founded in 1984 with a scientific and technical personnel investment of 200,000 yuan, is a large enterprise group with diversified development of information industry in China and an innovative international technology company. Since 1996, Lenovo's computer sales have been ranked first in China's domestic market; In 2005, Lenovo Group acquired IBM PC (Personal Computer) Division; In 20 13, Lenovo's computer sales rose to the top in the world and became the largest PC manufacturer in the world.
20 14 10, Lenovo Group announced the completion of the acquisition of Motorola Mobility. As a leading enterprise in the global computer market, Lenovo is committed to developing, manufacturing and selling reliable, safe and easy-to-use technical products and high-quality professional services to help customers and partners around the world succeed.
Lenovo mainly produces desktop computers, servers, notebook computers, smart TVs, printers, palmtop computers, motherboards, mobile phones, all-in-one machines and other commodities. Since April 1 2065438, Lenovo Group has newly established four relatively independent business groups, namely PC business group, mobile business group, enterprise business group and cloud service business group.
On August 20 16, the All-China Federation of Industry and Commerce released the list of "Top 500 Private Enterprises in China on 20 16", and Lenovo ranked fourth.
5. What if Lenovo's laptop can't boot if it forgets its password?
If the laptop forgets the password, you can use the "Login Password Clear" tool in the PE system to delete the login password. The specific operation steps are as follows:
(1) Prepare a USB flash drive, and download and install PE system production tools (such as peaches and U startup). ). After installation, open the software, insert the USB flash drive, and click "Start Production" to wait for completion, as shown below;
(2) Enter the BIOS system to set the startup sequence of computers, insert the U disk into the computer where the system is to be installed, and press F2 (different computers may be different, depending on the computer model) to select the startup sequence of computer hardware, and select the USB hard disk here;
(3) After restarting, enter the PE system and click "Clear Login Password" on the desktop.
(4) Select "Search All Volumes" under the pop-up window. , click "Next" button;
(5) Select the partition to reset (clear) the Windows password, and click Next;
(6) Select the account you want to operate in the next window and click "Next";
(7) Click Next, select "Clear this user password" in the pop-up window, and then click "Save";
(8) Click the "Y" button under the "Save Parameters" window that appears;
(9) Click the "OK" button under the second "Save Parameters" window that appears.
(10) Restart the computer, and you will find that the login password has been cleared. You can re-enter the computer and set a new password.
6. What if Lenovo laptop forgets the power-on password?
1 Press F8 to enter "Safe with Command Prompt" mode.
Enter "user+username+123456/ADD" to force a user's password to be "123456".
Regarding computer passwords, many people think that it is a matter for computer experts, but it is not. Setting passwords is not an expert's patent. Many people think that's a matter for computer experts, but it's not.
There are four computer passwords in the computer:
1, screen saver password;
2, software and file permissions password;
3. Network permission password;
4.BIOS permission password.
7. Lenovo notebook has the password of the user account, and now it has been forgotten.
Windows XP login password lost How to crack the XP boot password? We can adopt different solutions according to different situations: (1) If the administrator password is set to be empty when installing Windows XP.
When the system starts, you can press F8 to enter safe mode. The administrator password here is empty and can be entered directly. After entering, you can set the account and password. (2) If the administrator password is set, the decryption method is: method 1. After setting a new password with the password reset disk and logging in to Windows XP, press "Ctrl+Alt+Del" to open the Windows security window, and click "Change Password" in the options to open the password change window.
In this window, back up the password of the current user, click the "Backup" button in the lower left corner to activate the "Forgot Password Wizard" and follow the prompts to create a password reset disk. If you enter the wrong password in the login window of Windows XP, the Login Failed window will pop up. If you really don't remember what your password is, you can click the "Reset" button to start the password reset wizard. You can reset your password and log in to Windows XP through the password reset disk you just created.
Method 2: Use software to modify the password Windows Key 5.0 and Windows XP/2000/NT Key to automatically change the administrator password to 12345, log in with this account after restarting the system, and then modify the administrator password again in the "Control Panel" user. Software name: Windows Key 5.0 Usage: After running, three files will be generated: txtsetup.oem, winkey.sys, winkey.inf, and they will be copied to floppy disks to make Windows Key disks.
Then use the Windows XP installation CD to start the computer, and press F6 during the startup process to let the system install the third-party driver. At this time, putting the WindowsKey floppy disk will automatically jump to the interface of Windows Key, and then it will forcibly change the administrator's password to "12345".
Software Name: Windows XP/2000/NT Key Usage: Use it to make a drive floppy disk; Then start the computer with the installation CD, press the "S" key during the startup process, insert the drive floppy disk, and the password of the system administrator account will be changed to 12345. Method three. When the method (which I like to use) starts, press F8 to enter the command line safety mode, hold down ctrl+alt, and press delete twice. The comprehensive method is as follows: the premise is that the user you want to crack is not an administrator.
1. Restart the computer, press F8 immediately after the startup screen appears, and select Safe Mode with Command Line. 2. At the end of the running process, the system lists the selection menus of system super user "administrator" and local user "zhangbq", and clicks "administrator" to enter the command line mode.
The Command Prompt window pops up. 3. Type the command: "user zhangbq 123456 /add" to change the password of "zhangbq" user to "123456". If the entered user does not exist, the system will automatically add the user. If you want to add a new user here (for example, user name is abcdef and password is 123456), please enter "user abcdef 123456 /add". After adding, you can use the "local group administrator ABCDEF/Add" command to promote the user to the "administrator" of the system management group, so that he has super rights.
4. Restart the computer, select the normal mode to run, and then log in to the "zhangbq" user with the modified password "123456". 5. Control Panel-User Accounts-Users who have forgotten their passwords-Use "Administrator" to delete passwords. We know that in the process of installing Windows XP, the default login is "Administrator", and then a new account will be created, so that you can log in with this new account when you enter Windows XP. Moreover, only the created user account will appear in the login interface of Windows XP, and "Administrator" will not appear, but in fact, the "Administrator" account still exists and the password is empty.
When we know this, if we forget the login password, on the login interface, hold down the Ctrl+Alt key, and then hold down the Del key twice, and a classic login screen will appear. At this point, enter "administrator" in the user name, and the password is empty, and then modify the password of "zhangbp". Method four. In addition, you can use the super Windows 2000XP system to maintain the CD-ERD Mander 2000. After starting the system with this CD-ROM, run the command Start → Manage → Tools → Modify Password to open the ERD Mander 2003 Locksmith Wizard window, enter the account name to be cracked in the account box, and then enter the new password.