If you are trying to install this on a Windows PC to talk to CNC hardware, you may first need the CH341 or CH340 serial drivers , which are standard for many Chinese CNC and automotive interfaces.
| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | | The boot sector is missing or wrong partition ID. | Repeat Step 1 using SD Formatter (Full Overwrite). Use Rufus in DD Image mode. | | White screen, no text | LCD driver mismatch (image built for 800x480 but you have 1024x600). | Find g156_hd.img for high-res screens. | | Flashing finishes but old bugs remain | You flashed only the bootloader, not the rootfs. | Your cncautog156img file is truncated. Redownload. Must be exactly 1,966,080,000 bytes (for v3.6). | | Buttons unresponsive | GPIO pin mapping changed with new firmware. | Install the Vendor-specific key layout via SD card: create a file keymap.cfg on the data partition. | | “No CNC System” | The hidden Linux partition is corrupted or the SD card is too slow. | Use a SanDisk Ultra (not a no-name card). Reflash with Win32 Disk Imager. | cncautog156img install