If your device cannot be updated, which you can best recognize by the fact that the software version does not change after the update, we have a few tips for you:
- Try one or more other USB drives. Preferably “old” USB drives with little memory (maximum USB2 and, for example, 4GB). You can choose one with an LED to know when it is working and, more importantly, when it is finished.
- It may be that your old AT-1 does not recognize the USB stick “fast enough” to perform the update during startup, but that it works correctly afterwards, which you can see, for example, from the log files that are copied to the stick. We have already encountered this with old AT-1s that have not been updated for a long time. In this case, we recommend formatting the USB stick as FAT (not FAT32) and setting the allocation units to “Standard.”
- Updates can occasionally take much longer than 15 minutes; updating 3 files can take half an hour, but a USB drive with an LED would alert you to this.
- Repeat the update attempt several times: Some AT-1s, especially early serial numbers, only recognize USB sticks for the update after several attempts.
- Download a file to another PC and play it onto the USB stick to ensure that your operating system has not altered or corrupted the update file during download.
- Your hard-wired display device sometimes reports after the update that the Wi-Fi connection has failed, and Wi-Fi may not be available. To fix this, you need to restart the AT-1, sometimes 2, 3, or 4 times, until it starts up correctly and all interfaces are working.
- If the USB drive does not contain any log files, the update probably did not have enough time to complete. If logs are present, you can see the installed version in the first line.
- Once you have found a working stick, you should mark it as such and reserve it for future use.
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