1, the mobile phone touch screen and buttons are all out of order (some normal boot for a while all out of order)
Cause: Some parts of the touch screen may be loose or damaged
Processing methods: welding or replacing the touch ic, welding or replacing the cpu, writing software (key failure, normal touch is generally a key stuck)
2, the touch screen of the phone is out of order, the button is normal
Cause: The replacement touch screen is loose and damaged
Solution: Need to send to the maintenance point repair or replacement. You can change the touch screen, solder or change the touch ic, plant the cpu (processor), check the broken line or short circuit. (Normal use of software and cpu bad also have but rare)
3, the touch screen of the phone can be corrected, but it is still biased after correction
Solution: Restore factory or grid code chip (last 1m) when the school is deliberately biased, change the touch screen.
4, the phone turns on the correction screen, can be calibrated, but can not be completed, always let the calibration
Treatment methods: Change the touch screen grid code, write the full character library, plant the cpu, weld or change the touch ic, check whether the group of components around the touch ic has an open circuit, scratch the cover, flap the switch line.
5, mobile phone touch failure, disassembly is normal, installed and failed
Reason: The four sides of the touch screen are too tight
Solution: Remove the seal strip, touch screen lead root break wire virtual connection, motherboard related components virtual welding.
Mobile phone touch screen failure causes and solutions other hardware damage or impact
1. Personal usage habits
Often play games or operation, will cause problems such as screen heat, then the screen may be burned!
Solution: Only replace the screen.
2. The battery is faulty
Solution: This can be solved when using the charger or data cable.
3. Magnetic field influence
Magnetic fields can interfere with smartphones.
Treatment method: away from the magnetic field or degaussing treatment.
4, static electricity sweat oil impact
The human body may be polluted by static electricity and perspiration under certain circumstances.
Treatment: Actively clean the protective mobile phone.
5, high temperature and low temperature impact
The ambient temperature has a great impact on the touch screen or the overall machine.
Treatment: It is very easy to cause problems above 40 degrees Celsius, please do not use.