1. What to do if the tablet password cannot be opened?
What system is it? Android recommends that you can turn off the phone and long press the power button + volume down/up to enter robot mode (tablet Enter the RECOVERY mode, select the wipe in the first line, which is wipe.
The reset line is to try to restore the factory settings (use the volume up and down keys to adjust, and the power key to confirm), and then select yes. The recovery begins. After completion, select wipe in the second line (it can be used to clear the system cache after using the tablet for a long time). After completion, select reboot now (restart), or download a flash wizard to refresh the firmware; Windows can use Baidu to correspond to the system. Follow the unlocking tutorial, or press the power button repeatedly after shutting down to enter the repair interface, select Troubleshooting --- Initialize the computer, and select: Next --- Completely clean the drive --- Initialize to clear it, or reinstall the system and then If it doesn’t work, you can contact the seller or after-sales personnel to handle it.
2. What should I do if I forget that my tablet cannot be turned on, the user name and password are all
1. Restart the computer, press the F8 key 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 menu of the system super user "administrator" and the local user "zhangbq". Click "administrator" with the mouse to enter the command line mode. 3. Type the command: "user zhangbq 123456 /add" to force the password of the "zhangbq" user to "123456".
If you want to add a new user here (for example: the user name is abcdef and the password is 123456), please type "user abcdef 123456 /add". After adding, you can use the "localgroup administrators abcdef /add" command Promote the user to the system administration group "administrators" and give it super privileges. 4. Restart the computer and choose to run in normal mode. Then you can log in to the "zhangbq" user with the changed password "123456".
3. What to do if the tablet cannot unlock the password?
It can be restored together. Here is how you do it.
Android device recovery method (only mobile phones and tablets with volume keys):
Step 1: Shut down;
Step 2: Press simultaneously Hold down the power button (power button) + volume button for about ten seconds to enter recovery mode;
Step 3: Clear the device memory data and cache (double clear), click the two "wipe" options respectively , enter and select "yes" to confirm clearing the files;
Step 4: If there is a "recovery system from backup" option, you can select this option to restore the backed-up system;
Step 5: Wait until the recovery is completed. You can select "reboot system now" to restart.
Precautions for flashing and restoring Android devices:
1. Keep the phone’s power at about 60% before flashing or restoring to prevent the device from “bricking” due to insufficient battery power.
2. Please back up important files before flashing or restoring to prevent loss.
3. It is best to put the flash file on the SD card. To flash the phone, select "apply update from SDcard".
4. The first boot time after a successful flash or recovery is long. Please do not operate the device at will. It can only be used normally after the device initialization is completed.
Complete translation of the option bar in Android device recovery mode:
reboot system now Restart the system
apply sdcard:update.zip Use update in the root directory of the SD card. zip update system
wipe data/factory reset clear the data partition and restore factory settings
wipe cache partition clear the cache partition
install zip from sdcard select files from SDcard Update the system
apply sdcard:update.zip Use update.zip in the root directory of the SD card to update the system
choose zip from sdcard Select the zip format upgrade package from the SD card
< p> toggle signature verification toggle signature verificationtoggle script asserts toggle upgrade script check
backup and restore
Backup
Restore recovery
Advanced Restore advanced recovery
mounts and storage mount and storage
mount /system mount/system partition (system partition)
mount /data mount/data partition (data partition)
mount /cache mount/cache partition (cache partition)
mount /sd-ext mount/ sd-ext partition (A2SD partition)
format boot format kernel partition
format system format system partition
format data format data partition
format cache format cache partition
format sdcard format memory card
format sd-ext format memory card SD
mount USB storage Load SD card into U disk mode
advanced
Reboot Recovery Restart Recovery
Wipe Dalvik Cache Clear Dalvik cache
Wipe Battery Stats Clear battery status
Report Error Report error
Key Test key test
Partition SD Card partition SD card
Fix Permissions Repair Permissions
Note: This translation is provided by Baidu Wenku. If you need to reprint, please indicate the source.
This document is exclusively compiled and provided by --Fox of the Rocky Mountains--.
4. I forgot the password I set for my tablet and it cannot be turned on. What should I do?
What system is it? For Android, it is recommended that after shutting down, you can long press to turn it on. key + volume down/plus to enter robot mode (the tablet enters RECOVERY mode, select the wipe on the first line, which is wipe. The reset line is to try to restore the factory settings (use the volume up and down keys to adjust, and the power button to confirm), After selecting yes, the source recovery will begin. After completion, select wipe on the second line (this is the tablet that clears the system cache and can be operated after a long time). After completion, select reboot.
now (restart)), or download a flash wizard to refresh the firmware;
Windows can be operated by Baidu's unlocking tutorial corresponding to the system, or after shutting down, repeatedly press the power button to enter the repair interface and select troubleshooting-- - Initialize the computer and select: Next step---Completely clean the drive---You can clear it after initialization, or reinstall the system. If it doesn't work, you can contact the seller or after-sales personnel for help
5. The tablet cannot be turned on What is unlocking?
1. If the tablet has USB debugging turned on, you can use flash software (such as Flash Wizard, Flash Master, Zhuo Master, Deep Flash, Qitu Flash, Bell Pepper) to clear the lock screen password.
2. Enter Recovery Mode for dual clearing
How to enter Recovery Mode:
Method 1: If the tablet is on, please turn it off first, remove the battery and then Install it. With the phone turned off, press and hold the power button + Home button at the same time until the Recovery interface appears.
Method 2: If the above method cannot be used to enter, then turn on the phone again, first press and hold the volume + button, and then press and hold the power button until the Recovery interface appears.
Recovery mode (power key to confirm, volume up and down keys to move), the steps are as follows:
1. Shut down completely (it is best to pick the battery after shutting down), and then enter through a special key combination recovery interface.
2. Select wipe data/factory reset and press the power button to confirm, then select yes and press OK; then select wipe cache partition and press OK, select yes and confirm.
6. What should I do if I forget my tablet’s power-on password and can’t turn it on?
If it’s an iPad, it’s easier. Connect the iPad to the computer - open itunes - click your ipad-click the restore button-restore to original settings OK, you will find that the ipad no longer has a password, and then you can reset a password.
To lock the rest of the tablet computer with a password, generally use a key combination to enter the recovery mode and perform a double wipe. The key combination may be different on different machines, but the principle is the same. They are all powered on plus the power key. Just try the combination of the volume up and down keys a few times. To give an example: Take Samsung as an example.
Samsung Galaxytab2 tablet computer. When the machine is turned off, press and hold the volume + button and the power button that you use to turn on and off the machine. After about 3 seconds, you will see the Samsung logo. At this time, release the power button, but you still cannot release the volume up button until you When you see the screen begins to recover (recovery screen appears), use the volume keys to control it, select reset\wipedata,wipecache, press the power key to confirm (i.e. double wipe), and the machine is reset.
After the double wipe is completed, select rebootsystemnow, press the power key, and then you can enter the system after restarting (the first entry is slow), and personal information needs to be reset.
7. What should I do if the tablet cannot be opened after entering the original password?
Program - Control Panel - Find the user whose password you want to cancel - Select Change Password - Enter your After the current password is entered, the new password is empty, and the password can be canceled by directly confirming it
1. Using commands
We know that the "user" command is provided in Windows XP, which can To add and modify user account information, the syntax format is:
user [UserName [Password | *] [options]] [/domain]
user [UserName {Password | *} /add [options] [/domain]
user [UserName [/delete] [/domain]]
The specific meaning of each parameter has been detailed in the Windows XP help The author will not elaborate further here. Okay, let's take the local user "zhangbq" password recovery as an example to explain the steps to solve the problem of forgetting the login password:
1. Restart the computer, press the F8 key 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 menu of the system super user "administrator" and the local user "zhangbq". Click "administrator" with the mouse to enter the command line mode.
3. Type the command: "user zhangbq 123456 /add" to force the password of the "zhangbq" user to "123456". If you want to add a new user here (for example, the user name is abcdef and the password is 123456), please type "user abcdef 123456 /add". After adding, you can use the "localgroup administrators abcdef /add" command to promote the user to the system management group. "administrators" user and give it super permissions.
4. Restart the computer, choose to run in normal mode, and then use the changed password "123456". The questioner commented that it still doesn't work. I repaired the CD-ROM drive and reinstalled it!