Once Windows boots, you will find the audio jack and internal speakers are dead. The only people who solved this are the (Chrultrabook) team.
If your issue is physical, Dell does provide official service documentation. You do not need a software driver; you need the hardware manual. dell chromebook 11 3180 drivers link
Because Dell does not provide official Windows drivers for its Chromebook line, independent developers host the necessary configuration files: Once Windows boots, you will find the audio
For the Dell Chromebook 11 3180 Go to product viewer dialog for this item. Once Windows boots
The Ultimate Guide to Dell Chromebook 11 3180 Drivers and Software Updates
