Network controller: Ralink corp. RT5390R 802.11bgn PCIe Wireless Network Adapter DeviceName: Ralink RT5390R 802.11bgn 1x1 Wi-Fi Adapter Subsystem: Hewlett-Packard Company Device 18ed Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 16 Region 0: Memory at c3500000 (32-bit, non-prefetchable) [size=64K] Capabilities: Kernel driver in use: rt2800pci Kernel modules: rt2800pci
换个内核试试看，如果不行试试看把ubuntu里的firmware文件全部拷到deepin的firmware里面
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No audio, no sound, no camera Dell XPS 14 9440 
Network controller: Ralink corp. RT5390R 802.11bgn PCIe Wireless Network AdapterSERR-
Latency: 0, Cache Line Size: 64 bytes
DeviceName: Ralink RT5390R 802.11bgn 1x1 Wi-Fi Adapter
Subsystem: Hewlett-Packard Company Device 18ed
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
Interrupt: pin A routed to IRQ 16
Region 0: Memory at c3500000 (32-bit, non-prefetchable) [size=64K]
Capabilities:
Kernel driver in use: rt2800pci
Kernel modules: rt2800pci