Products > Test Equipment

New Hantek DSO2X1X models?

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DavidAlfa:
First of all, ensure to read how the FEL mode works in the FAQ.
Different VID/PID suggests you didn't boot in that mode!
If stuck at Hantek screen, Platform-tools is the only way, but if you're getting to the  main screen, try the much easier SCPI method.
After recovering, consider installing the factory reset daemon, migh save your day next time it happens.

Geoff from Oz:
Wow David Alpha - many thanks indeed for such a rapid response.

I'm still reading like crazy.  I saw how to boot into FEL mode, but I didn't realise the VID/PID might change as a consequence, and I'm wary of "doing anything" without double checking everything first, in case I make matters worse.

I've tried the Keysight I/O Libraries suite - it fires up fine on my pc, but fails to detect the DSO2D15, and I can't tell whether that is a pc / driver issue (I've tried both the default IV Foundation driver, and the Zadig installed WinUSB one), or the DSO being unresponsive at the other end of the USB cable.  Which is why I suspect I'll end up with the Platform-tools way.  The DSO does complete the boot process, but then freezes with all the on screen settings as they were when the problem first appeared.

I'll try the FEL boot mode and see what happens (I'll have to tell my anti-virus to unquarantine DSOflash.exe first, but I know how to do that).  I'm a bit wary because sadly I hadn't done any backups before I had this problem - didn't even realise I could or should - newbie error! :-( and there seems to be a chance I'll lose the serial number etc (which you have provided a utility to restore :-) thanks!, and some calibration setting (which may not be recoverable, at least at my current state of knowledge)

When/if I get things working again, I'll be sure to back up everything in sight, and install the factory reset daemon!

DavidAlfa:
Yeah. Better make a backup just in case!

trazor:

--- Quote from: Geoff from Oz on December 26, 2022, 06:04:12 am ---...

I'm a bit wary because sadly I hadn't done any backups before I had this problem - didn't even realise I could or should - newbie error! :-( and there seems to be a chance I'll lose the serial number etc (which you have provided a utility to restore :-) thanks!, and some calibration setting (which may not be recoverable, at least at my current state of knowledge)
...

--- End quote ---

I also locked mine before doing any backup. Don't worry, you will lose the following:

1. Model - You can restore any model number you like (that is the reason many populated PCBs can be configured as higher priced models)
2. Serial Number - I didn't have any problem leaving the default "all zero" serial number
3. Signal Generator calibration data - DavidAlfa's gdrive folder has a script to generate new calibration data (may be less accurate than factory)

As a plus: you will get the latest software with less bugs that your original and hard to deadlock again.

Geoff from Oz:
Thanks to your help I am making progress :-) ... but I am once again stuck and would appreciate any hints.

I successfully booted into FEL mode, ran Zadig to install the WinUSB driver, and then ran DSOflash.exe, which worked perfectly (took about 48 minutes to create a "backup.bin" file)

Now I am attempting to Recover my oscilloscope, using the Platform-Tools system flashing approach (the SCPI approach doesn't work for me, the IO Lib Suite still will not detect a connection).

I am having problems installing the Fastboot driver. The install_driver.bat says it has installed the Fastboot driver, but has failed to install the WinUSB driver. 

I tried running restore.bat (from the Firmware\Platform tools(Low level firmware folder) anyway, but it stalls at the "<waiting for any device step>". 

The Windows 11 device manager shows the FEL driver to be installed, but NOT the Android Bootloader Interface - there isn't even an Android Device appearing.  I've tried removing the WinUSB driver totally, and starting again with the install_driver.bat (switching the oscilloscope off and restarting in FEL mode between steps), but I'm still stuck at the same point.

Obviously I'm doing something wrong but I can't figure out what. 

PS I've googled "How to install Fastboot driver", and can find lots about how to use it for Android phones, but nothing so far that gives me any hint about where I'm going wrong here.

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