Reference; Inserting A Memory Card; Troubleshooting - Medion E4440 M10 User Manual

Reference

Inserting a memory card

CAUTION: Do not apply pressure to the centre of the memory card.
Hold the card (SD or MMC) by the edges and gently insert it into the slot with the label facing the back of the
device.
To remove a card, gently push the top edge of the card inwards to release it, and pull it out of the slot.

Troubleshooting

Note: If you encounter a problem you cannot solve, contact an authorized service center for assistance.
Problems
Power does not turn on when using battery
power.
Screen responds slowly.
Screen freezes.
Screen is hard to read.
Cannot establish a connection with a
computer.
6
Solutions
The remaining battery power may be too low to run your device. Charge
the battery.
Make sure that your device is not running out of battery power. If the
problem still persists, restart your device.
Restart your device.
Make sure that the backlight of the display is set to a high-enough
brightness.
Make sure that your device and your computer are both turned on before
trying to establish a connection.
Make sure that the cable is securely plugged into the USB port on your
computer and on the device. Connect the USB cable directly to your
computer—do not run the cable through a USB hub.
Restart your device before connecting the cable. Always disconnect your
device before you restart your computer.