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HKC P886A Troubleshooting

The tablet will not come apart or if the back panel can be removed, there are cables in the way.

If the device is proving difficult to take apart refer to the overall disassembly guide.

The tablet fails to charge when connected to power cable or fails to hold a charge while unplugged.

Check to make sure that the device is connected to the power cable. If connected, the light on the front of the tablet should turn on. If the light fails to come on, then the adapter may be faulty and require to be [Ungültiger Anleitungslink].

If the device fails to power on, or only powers up when connected to a power cable, the battery is faulty and must be replaced. We suggest taking your device to a trained professional to have this done.

The tablet is on, but is unresponsive

If the screen appears to be broken and can be physically felt from the outer screen then a replacement Matrix is need; or if the tablet fails to respond to any touch gestures. A broken matrix will often cause the display to not perform at all. Follow this guide to replace the matrix of your device.

Another possible cause for the tablet failing to respond to touch gesture is the Matrix may have a loose/bad connection to the CPU board. By having this loose/bad connection the data lines may not be connected causing the signals from the display to not reach the CPU. Simply follow this dissassembly guide to access the ribbon cables connecting the matrix to the CPU, check for a loose connection.

The tablet will not power on, or display anything on the screen

The device doesn't power on, often times when no power is present the screen will remain dark. When there is power but no image the LED back light will often illuminate the screen giving the appearance of being powered. If you suspect that the LED light is not working on your device, follow this guide to repair the LED light.

If there is no back light or the screen will not display any image. This can often be caused by a loose connection from the LCD screen to the CPU board. By having this loose connection either power or data line may not be connected causing the screen to fail. Simply follow this dissassembly guide to access the ribbon cables connecting the matrix to the CPU, check for a loose connection.

If the screen appears to be broken but cannot be physically felt from the outer screen then a replacement is in need. A broken screen will often cause the display to perform incorrectly and giving a bad image.Follow this guide to replace the matrix of your device.

The tablet is occasionally or completely unresponsive.

If there is no back light or the screen will not display any image. This can often be caused by a loose connection from the LCD screen to the CPU board. By having this loose connection either power or data line may not be connected causing the screen to fail. Simply follow this dissassembly guide to access the ribbon cables connecting the matrix to the CPU, check for a loose connection.

If the screen appears to be broken and can be physically felt from the outer screen then a replacement Matrix is need; or if the tablet fails to respond to any touch gestures. A broken matrix will often cause the display to not perform at all. Follow this guide to replace the matrix of your device.

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