我有一台运行 Ubuntu 13.10 的戴尔 XPS 12，但它似乎没有发现它是无线的。我已经尝试过这里的建议，但它们没有任何区别
peter@xps:/lib/firmware$ ls -l /lib/firmware/iwlwifi-7260-7.ucode
-rw-r--r-- 1 root root 682892 Aug 4 12:50 /lib/firmware/iwlwifi-7260-7.ucode
peter@xps:/lib/firmware$ sudo lshw -c network
*-network UNCLAIMED
description: Network controller
product: Wireless 7260
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:06:00.0
version: 63
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress cap_list
configuration: latency=0
resources: memory:f7c00000-f7c01fff
peter@xps:~/backports-3.10-2$ grep IWL7260_UCODE_API_MAX drivers/net/wireless/iwlwifi/iwl-7000.c
#define IWL7260_UCODE_API_MAX 7
.ucode_api_max = IWL7260_UCODE_API_MAX, \
peter@xps:~/backports-3.10-2$ dmesg | grep iwl
peter@xps:~/backports-3.10-2$ iwconfig
lo …