Hello & Welcome,
Sorry to hear of any issue with your device. I have the steps for checking your device below. I have also attached an image of where the microSD card slot is on your device.
GolfBuddy Platinum - what to do if you see the "No SD Card" message.
1) Verify that the SD card is inserted correctly. If needed, REMOVE & REPLACE the SD card.
The SD card slot is on the bottom of the unit, right next to the charging port.
SD card should NOT be sticking out - but needs to be FULLY inserted.
2) If still experiencing issues, please try the "Emergency Reboot" - using a computer (as follows).
2a) Make sure the unit is powered off.
2b) Connect the USB cable to a powered ON computer, without the device being connected.
2c) Hold down the MENU button. WHILE holding the MENU button, connect the unit to the USB cable.
2d) Once the EMERGENCY REBOOT message displays on the screen, release the MENU button but leave the unit connected to the USB cable UNTIL the process is complete.
3) If still experiencing issues: After a Service Request Registration, contact Golf Buddy Support at number listed below.
Golf Buddy Technical Support:
Hours of Operation
Mon - Fri 6:00 AM - 6:00 PM Pacific time.
Please let me know what you find or if you have any more questions.
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Thanks, ***** *****