The flashing screen of the integrated interactive touch-screen teaching machine will quickly fatigue the eyes of teachers or students. If you ignore it, it will not only hurt your eyes, but also the system, software and hardware of the machine. When the screen flashes in the interactive touch-screen teaching machine, we should immediately analyze its causes and solve the problems pertinently.
1、 Poor contact and signal interference
Poor contact and signal interference are the common reasons for the flashing phenomenon of touch controlled products such as interactive touch screen teaching integrated machine. These two situations are easy to solve in the flashing phenomenon. First, check whether there is a bad contact. You can check whether the power cord of the host and the LCD screen is tightly plugged in. If it is, plug the connecting wire back in.
Interactive touch-screen teaching machine is easy to be interfered by strong electric field or strong magnetic field, which is also one of the reasons why the flashing screen now occurs. Keeping high-power audio, power transformer and mobile phone away from the interactive touch-screen teaching machine can make the screen return to normal.
2、 Voltage problem
The voltage is unstable, and most electrical appliances will be affected. Common phenomena: when the light is on, the brightness is unstable, not to mention the interactive touch-screen teaching machine. Under normal circumstances, the plug of multiple electrical appliances connected in parallel with the wire is inserted in the same place, which often causes the problem of insufficient voltage and instability. The interactive touch screen teaching machine will naturally send an early warning, keep flashing the screen, and use a socket alone. If it is a circuit board problem, just replace it.
3. Internal wiring problems
The interactive touch-screen teaching all-in-one machine produced by the manufacturer is supplied to all parts of the country. Although it is protected by thick packaging, it is undeniable that all kinds of phenomena may occur during transportation, and the wires inside the machine will be slightly loosened. This situation is rare and troublesome, but we only need to contact the manufacturer for some adjustment.
4. Accessories problems
Due to the age of the accessories used by some manufacturers, there will also be a phenomenon of flashing screen. This kind of maintenance cost is relatively high. Consumers can avoid this loss by choosing the well-known brand of interactive touch screen all-in-one machine when purchasing. Touch all-in-one machine