What will happen if the motherboard of an Apple mobile phone is broken?

What will happen if the motherboard of an Apple phone is broken?

Symptoms of mobile phone motherboard failure: system startup failure, no screen display, black screen at startup, inability to boot, no sound, inability to make calls, no network, etc.

Causes for mobile phone motherboard failure: water intrusion, falling, unstable charging voltage, etc.

Methods to determine the motherboard failure of a mobile phone:

1. Take out the battery first, replace it with a spare battery if possible and start the check (do not do this if the phone is flooded).

2. Check whether the buttons of the phone are stuck; whether the battery contact is good.

3. Take out the memory card and number card.

4. Use the original data cable to connect to the computer.

These steps are how to check if the mobile phone is abnormal under normal circumstances.

Extended information:

Causes of mobile phone motherboard failure:

The number one cause of mobile phone motherboard failure is liquid intrusion: including mobile phones falling into water and accidentally falling into water in other liquids.

② Use mobile phones in extreme environments.

③ Static electricity breaks down motherboard components.

④ Accidental fall.

⑤ The transient current of the motherboard increases, which is mainly caused by battery short circuit and other faults;

Reference:

Pacific Computer--Methods for judging mobile phone motherboard failures

If the computer motherboard is accidentally dropped on the ground, will it be damaged?

No damage will be done.

When the computer host is turned off, as long as there is no big bump, it will not cause damage! If it is turned on, it is more dangerous.

In fact, the component in the host that is afraid of falling is the hard drive. When the hard disk is turned on, the magnetic head is working in the data reading and writing area. At this time, if it encounters a large impact or vibration, the damage to the hard disk is basically 100%.

But if it is in the shutdown state and the magnetic head is parked in the non-read-write area, then even if it encounters a large vibration, the hard disk will basically not be damaged! ##Try to see if it can start up. If so, there will be no problem. If you can't get up, re-insert the memory and graphics card, and there should be no problem. The premise is that the hardware is not broken. Under normal circumstances, it will not be broken.

This needs to be tested. If you restart the computer with the same process as before and there is no fault, then there is basically no big problem, because the computer host dropped as long as you make sure that the components inside are not damaged. Just damage it.

What are the symptoms of a broken TV motherboard?

1. The LCD TV motherboard integrates the main functional circuits of the TV circuit, including remote control system, signal decoding, backlight control, etc. Therefore, the symptoms are more complicated. Common ones include no power on, no image, no image, etc. Faults such as color and remote control failure.

2. Unstable power supply, poor heat dissipation, design defects, and violent damage may be the reasons for the damage of the LCD TV motherboard.

3. If the LCD TV has been purchased for less than three years, you can contact the TV’s after-sales service for free warranty; if the LCD TV has been purchased for more than three years, the user can repair or replace the motherboard according to the If the cost of repair or replacement is not high, you can repair or replace the motherboard and continue to use it; if the cost is too high, you can consider eliminating the TV and buying a new model to replace it.

4. The after-sales service regulations of LCD TVs are generally implemented in accordance with the national "Three Guarantees" policy, that is, LCD TVs usually have a one-year warranty for the whole machine and a three-year warranty for important parts. Regulation.

What does it look like if the Xiaomi motherboard is burned out?

If the motherboard of a mobile phone is broken, many phenomena will occur. In severe cases, there will be no response when booting, the motherboard is hot, the display screen is black, there may also be camera failure, WiFi abnormality, no signal on the phone, etc. The main reason is that the motherboard is damaged. Which area of.

1. The motherboard is the most important part of a mobile phone. Once the motherboard is broken, the phone will be paralyzed. At this time, the motherboard needs to be repaired.

2. Replacing the motherboard costs about 200-300. For mobile phones priced between 1000 and 2000, the motherboard costs around 300-500. For mobile phones priced above 2000, it costs around 400-600.

3. If the motherboard of an older mobile phone is broken, it is better to throw it away and replace it with a new one. Repairing it is not cost-effective. Besides, mobile phones are getting cheaper and cheaper. (Price is for reference only)

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