Do not rely on Dell’s Support page for your service tag if you are on Windows 10 or 11 – their latest driver is from 2013 for Windows 7/8. You need newer, manually sourced drivers.
The most common issue arises when users upgrade from Windows 7 to Windows 10. The default Windows 10 drivers often fail to recognize the specific hardware, or they install a generic driver that causes the connection to drop randomly or run extremely slowly. n5110 wireless driver
Note the (Vendor) and DEV (Device) codes. VEN_168C corresponds to Atheros (Dell 1702), VEN_8086 indicates Intel, and VEN_14E4 represents Broadcom (Dell 1701). 2. Official Driver Downloads by Operating System Do not rely on Dell’s Support page for
Since you likely have no WiFi, use an Ethernet cable or a USB tethering from your phone. The default Windows 10 drivers often fail to
The N5110 wireless issue is almost never a hardware failure. It is almost always a driver incompatibility caused by Windows Update. Use the Intel 15.18.0.1 driver (for Intel cards) or the Dell 1702 driver from a newer Inspiron model (for Broadcom cards), disable automatic driver updates, and your WiFi will work reliably again.