Troubleshooting - Prestigio PMP3084B Product Service Manual

Prestigio
Trouble Shooting
1. Reset this device
In the event that the device freezes, you can force the device to shut down by holding the Power button for 15

seconds.
If the Power button does not reset your device, use the "pinhole reset" button located on the back the device.

2. Touch-screen Problems
If the touch-screen is not responding properly, try using the "Touch-Screen Calibration" settings screen.
3. Bad appearance
Abnormal appearances：
Breakage in the display screen, scratches on the covers, ageing or damaged buttons, or other physical damage
to parts due to impact or drop.
Resolution to abnormal cases：
Replace those damaged or ruined parts with new ones by simply identifying their physical features.
4. System defects
Abnormal cases：
4.1. Device freezes.
4.2.Device shuts down automatically.
4.3.Corresponding disk symbol does not appear after connection to PC
4.4.Unable to access internet.
4.5.Unable to turn on the device.
4.6.The system responds too slowly.
Resolutions：
4.1. Device freezes.
1. If the device freezes when it starts up, use pin-hole RESET button to restart. If this still does not work, new
system has to be programmed.
2. In the case that the device freezes during normal use, use RESET button to restart it.
3. Check whether the systemsoftware works properly, try restore the default setting before update the system.
4.2. Device shuts down automatically.
1. Restart the device.
2.Perhaps it is because the power supply is insufficient, connect the power adaptor to charge it and try again.
3. Press RESET button to restart the deivce.
4. Update the system.
4.3. Corresponding disk symbol does not appear after connection to PC.
1. Check physically whether the USB port is damaged or loose.
2. Replace a piece of new USB cable.
3. Use different computer for a try.
4. Check whether the USB interface has been poorly soldered, damaged or loosened, and replace new USB
interface if so.
4.4. Unable to access internet.
1. Make sure the WAP(WiFi Access Point) you are going to connect is available (Signal sources available or
unavailable) .
2.Make sure you have used the correct WiFi security password to access the internet when the access point to be
connected requires some security password.
3. Open your WIFI device to check whether or not its VCC 3.3V and 1.8V terminal work normally.
4.5. Unable to turn on the device.
1. Connect the power adaptor, then press RESET button.
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