でも最新の英語版ファームにアップデート出来たからドライバはおかしくないか・・・・
1. Disconnect the Oregon and make sure it is powered off
2. Press and hold down the power button
3. Quickly plug the GPS into your USB cable connected to your PC while still holding the power button down.
4. Back on the PC hit <enter> to execute the command above - still holding down the power button on the Oregon
5. This should bring up the Updater window, you'll need select the USB radio button - still holding down the power button on the Oregon
6. Wait for the "Loader" banner at the top of the Oregon screen above the Garmin logo and release the power button
7. The GPS should display "Software Loader" and Updater should show a download progress bar.
8. The GPS will go through several update / restart cycles.
9. If everything goes well the Updater will give a success message and the Oregon will restart running Software version 2.5
10. Run Webupdater to make sure that the unit has the most up to date software.


この手順でやればいけるのかな？