If the tablet boots but lacks functionality, it may be running an "incomplete" version of the stock ROM. Flashing a custom, rooted ROM is the recommended community fix for this. direct download link for a specific version of the ROM?
Your tablet is either powered off or bricked. Do this: Arnova 10d G3 Firmware Rom
The is a collection of system images, bootloaders, and kernel files packaged specifically for this model. It is not a single file but typically a folder containing: If the tablet boots but lacks functionality, it
If stuck in a boot loop, some users have success using a pin in the while holding the power button. Your tablet is either powered off or bricked
Official specs often just listed it as a Cortex A9 at 1.2 GHz . Many users discovered it likely used a Rockchip or WonderMedia SoC, which dictated which firmware "kitchens" could be used to cook new ROMs.