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List of contents of this article:

• 1, How to restore the notebook to the original system?
• 2、How to restore the old system on iPhone
• 3, How to restore to the original system?

How to restore the notebook to the original system?

Method 1: Turn off the computer and turn it on or click restart directly, and then hold down the DELETE key. At this time, the computer will automatically enter the BIOS. Two options will be displayed on the computer screen (both options are generally on the right side of the computer screen).

Click to enter the Restore System interface and select Local Restore to enter. Select Restore Now to restore the system to factory settings. It is recommended that it is best to back up the data during the restoration.

Initialize the computer and select "Initialize Computer" to restore the factory system. All personal files and applications will be deleted. Click "Next". Only restore the C disk and select "Drive with Windows installed only", which will only restore the C disk without affecting other partitions.Just delete only my profile and select "Delete only my profile".

How to restore the old system on iPhone

The first method: Use iTunes to restore the old system. First, you need to back up your iPhone data so that you can restore the number when restoring According to. Connect your iPhone to your computer and open iTunes. In the left menu bar, click the "Overview" tab, and then click the "Check for Updates" button.

Because the upgraded new system of the iPhone has too high requirements for mobile phone hardware, some mobile phones may be stuck and run smoothly, so users who encounter this situation want to downgrade the system. So what should we do?In this regard, the following article will share with you the method of returning the previous version of the Apple system.

On the iPhone desktop, open the [Settings] option. Enter the setting interface and open the [General] option. In the general interface, slide to the bottom and click the [Transfer or Restore iPhone] option. In the transfer or restore iPhone interface, click [Restore].

How to restore to the original system?

The specific download method is as follows: download the iPhone system version firmware through the iTools software toolbox. Note that you must download the corresponding ios system firmware version when querying.

Enter [Restore Options] 1 in the Windows search bar, and then click [Open] 2. In the project that went back to the previous version of Windows 10, click [Start] 3. If you don't have this project, you may have updated Windows for more than 10 days or you can't do it back due to other operations.

If you want to restore the original system version after 10 days, or you have installed Windo in other waysWs 10, then you need to use the installation media (such as USB flash drive or DVD) to reinstall the original system.

There are several ways to restore the original system of the computer: the system comes with its own system restoration, click: start, program, attachments, system tools, system restore, select to restore to an early system detection point, and then wait for the restoration process to end.

First, we turn on the mobile phone and click to open "System" in the mobile phone settings. Then we click to open "Reset" in the pop-up window. Then we can return to the original version by clicking "Restore Factory Settings" in the pop-up window. Related introduction: Huawei was founded in 1987.