Mac Apple security jump?

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How long is the warranty period for Apple mobile phones?

In other words, all iPhones that are replaced due to malfunction within one year of the warranty period will have their warranty period reset for one year.

The iPhone warranty is one year. The one-year warranty for mobile phones refers to the warranty for the motherboard, headphones, display, cables, batteries, etc. If the mobile phone cannot be used due to quality problems rather than non-human factors, you can go to the mobile phone after-sales service point for repair.

The warranty period of Apple mobile phones is one year. If you purchase Apple's AppleCare comprehensive service, the warranty period will be extended by one year, for a total of two years. During the warranty period, Apple mobile phones and Apple mobile phone accessories (charging heads, charging cables and headphones) are covered by the warranty, and Apple also provides 90 days of free technical support.

The warranty period for all Apple products starts from the day the phone is activated. The default is one year free warranty. You can pay for a one-year warranty, but it must be within the allowed extended warranty period.

The iPhone warranty period is one year. If there is a problem with the phone within 7 days, it can be returned or exchanged. The one-year warranty of the phone refers to the warranty on the motherboard, headphones, display, cables, batteries, etc. The phone cannot be used due to quality problems rather than non-human factors. In this case, you can go to the mobile phone after-sales service point for repair.

Apple’s warranty period is generally one year. Calculated from the date of purchase of Apple. During this year, if your device malfunctions due to manufacturing defects, you can receive free repair services from Apple. Repair services within the warranty period include free replacement parts, but do not include man-made damage.

Why can’t my mac turn on?

1. CPU fan. It is also very possible that the CPU fan is not working, causing the CPU to be unable to dissipate heat, and naturally the computer cannot be turned on. Open the case and see if the CPU fan is blocked by other components such as wires. If not, press the power button again and if the CPU fan does not rotate, it means it is broken and you need to replace it with a new one.

2. Reasons and solutions for why the Apple computer cannot be turned on: battery problem, the battery is out of power or cannot supply power normally. There's a keyboard problem, the keyboard doesn't work, the power button doesn't work properly. There is a problem with the motherboard, and the computer cannot be turned on if the motherboard is not working.

3. The system is damaged or the hard disk is damaged, and the notebook cannot recognize the hard disk. In addition to artificial liquid intrusion and short circuit, circuit faults that cannot be turned on are caused by problems with the protective isolation circuit, faults in the startup circuit and EC peripheral circuits, and a large area of ​​the circuit is burned out.

4. The Mac computer may not turn on at any time, whether it happens suddenly when you are doing something or when the computer is being repaired for a long time. Here are a few possible solutions: Restart: When your Mac won’t turn on, the first thing you should try is to restart. Press the immediate shutdown button.

5. The solutions for Apple computers that cannot be turned on are as follows: check the power supply, restart the computer, check the connection cable, reset the SMC, start maintenance mode, etc.

education version ipad jump insurance

1. It is normal for education version ipad to jump insurance, because it is very discounted when you buy it, and some do not participate in insurance. It is normal not to carry out insurance after-sales service. There is no product difference between the iPad regular version and the education version, the hardware is the same.

2. iPad warranty jump means that when purchasing iPad, you choose extended warranty service, that is, AppleCare, and purchase AppleCare service again within the original warranty period to extend the warranty period of iPad.

3. This is a normal phenomenon. This situation has a special name called jump insurance. After a few days of querying, the normal date will be found, and sometimes it will be half a month longer. In addition, on Sundays, the maintenance time of Apple's activation server, querying for activation will show abnormality.

How to avoid a black screen on macbookair? I have set the screen saver to never appear, but when I open Douyin and do aerobics...

lessbright: Make the display darker when using battery, System Preferences There is also this, 1 is on, 0 is off disksleep: how long the Mac will be idle before turning off the hard drive.

In the power settings of macbookair, adjust turning off the display to Never, so that the screen will not go black while macbookair is running.

If the monitor is not used for a long time, the monitor will automatically enter the sleep energy-saving mode and the screen will be black. Solution: Take win7 system as an example.

The black screen may also be caused by a fake crash caused by setting the energy-saving mode (which can be viewed and modified in the BIOS settings). While the screen is black, whether other parts of the system are working normally, such as whether the soft/hard drive self-test passes during startup, whether the keyboard keys respond, etc.

How to check the Apple warranty period

On the home screen of the Apple phone, click the settings icon of the phone. In the settings interface, click General Options. In General, click About This Mac. In the effective warranty period of this machine, you can check the mobile phone warranty expiration date. Note for users: 1 year starts from the date of purchase, the purchase date is on the invoice.

Activation date=warranty date-1 year. You can use this to determine whether the iPhone is brand new and unactivated. It is recommended to use the device's serial number to check the warranty time through Apple's official website as much as possible to avoid the risk of serial number leakage.

You can go to the official website of Apple mobile phone to check. The specific query method is as follows: Use Baidu search, search for "Apple China" and find the official website of Apple China and click to enter. After entering Apple's official website in China, click on the "Technical Support" item to enter.

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