DSO1202S a lot of problems / bugs.

amy

First, confirm the format of the USB stick is FAT32. And the memory less than 16G.

If there is no problem, but still unable to upgrade, refer to this attachment to do USB disk partition.
https://fil.email/FSTumYJ3

And try to update again.

This link is valid for only seven days. Please download it as soon as possible.

When you connect your scope to the computer, if you can find the unknown device in device manager, please refer to this post to update the driver:
https://www.eediscuss.com/forum. ... tid=9012&extra=

amy

stefan_c replied at 2019-3-19 03:53
Hi Amy !

Thanks for you reply, much appreciated.  

The fan may be broken.
You can close the fan (press "Utility->More->Fan Test" to close) or replace one.