If you plug the scope in and Windows doesn't recognize it, or if the update tool fails to find the device, you need the drivers.
Best for replying to a comment or a Discord chat.
If you are trying to fix a failed Owon HDS2102S firmware update, try this:
If that fails, check if you have the "N" model variant vs the standard model, as the firmware files are different and using the wrong one causes the white screen issue.
This assumes the device is stuck, fails to boot, or shows erratic behavior after an update attempt, and provides a structured fix procedure.
After reboot, you may still have issues because old configuration files conflict with the new firmware. Here’s how to fix that:
Updating your Owon HDS2102S firmware is a precise process that requires matching the software to your specific hardware version to avoid bricking the device. The most common fix addressed by recent updates is the 2ns/div display issue. Critical Pre-Check: Version Compatibility
Owon firmware is strictly tied to the hardware version of your device. Do not attempt to "upgrade" to a lower version number. V1.x.x Hardware: Can update to V1.5.1.
V4.x.x Hardware: Common in newer units; these should not be downgraded to V1.x or V2.x.
Verification: Check your current version in the System → System → Page 2 menu. Firmware Update Instructions owon hds2102s firmware update fix
To update your Owon HDS2102S and fix common issues like the horizontal graticule spacing error, follow this guide based on community consensus and official documentation. Key Fixes in Recent Firmware Updating to a version such as
is highly recommended if your unit still has the original factory firmware. One of the most significant documented fixes is for the 2ns/div display issue
, where a 50 MHz signal would incorrectly occupy eight divisions instead of five. Firmware Update Instructions
There are two primary methods depending on the update package you receive from the Owon Download Center or official support. Method A: MSC (Mass Storage Class) Update This is often used for files and doesn't require specialized flasher software. Enter Upgrade Mode : Power on the scope, press F2 (System) , go to the next page, and select Mount as Drive
: Connect the scope to your PC via USB. In the system menu, set the USB mode to . Your PC should recognize it as a removable drive. Transfer File : Copy the firmware file (e.g., ) directly to the root of the scope's removable drive. If you plug the scope in and Windows
: Turn the scope off and then back on. The device will automatically begin the upgrade and shut down once finished. : Turn the scope on and check the version number in the menu to ensure it has changed. Method B: Launcher Software Update For updates using a launcher tool: Launch Tool : Open the Launcher.exe file on your PC and select your language.
: Connect the device via USB and ensure drivers are installed. Initialize "Click then turn on machine to update" in the software. Bootloader Mode
: Turn the scope off and then back on. The software will detect the boot mode and begin transmitting data. : Once the reboot is finished, press on the scope to confirm the update. Important Troubleshooting Tips What is the latest FW version for OWON HDS2102s? - EEVblog
Once your OWON HDS2102S is working again, follow these rules: