Why it happens
AMD Wi-Fi driver conflict with Windows Update replacing the MediaTek or AMD Wi-Fi module driver with a generic inbox driver that does not fully initialize the Wi-Fi adapter on the Ryzen 5 7530U platform
Wi-Fi adapter disabled in Device Manager or disabled by a firmware switch that was toggled accidentally via Fn + F2 (the wireless disable key combination on this model)
Airplane mode enabled in Windows Quick Settings, which disables all wireless adapters including the Wi-Fi adapter and Bluetooth simultaneously
BIOS wireless switch disabled in Dell BIOS setup, preventing the Wi-Fi adapter from initializing even if the driver is correctly installed on the Vostro 14 5445
How to fix
Disable airplane mode — Press Win + A and check that Airplane mode is Off. Also press Fn + F2 on the Vostro 14 5445 keyboard to toggle the hardware wireless switch. The LED indicator on the wireless key should illuminate when wireless is enabled. If it is off, the hardware switch is blocking all wireless.
Enable Wi-Fi in BIOS — Restart, press F2 for Dell BIOS. Go to Wireless → WLAN and ensure it is Enabled. Some Dell BIOS resets or corporate image deployments set wireless to Disabled in BIOS, which prevents the Wi-Fi adapter from appearing in Windows Device Manager entirely regardless of driver state.
Reinstall the Wi-Fi driver from Dell Support — Go to Dell Support, find Vostro 14 5445 (Ryzen 5 7530U), and download the Wireless LAN Driver. Uninstall the current Wi-Fi driver in Device Manager, install the Dell driver, and restart. The Dell-specific driver ensures correct initialization of the AMD or MediaTek Wi-Fi chip in the Vostro 14 5445.
Run the Network Adapter troubleshooter — Go to Settings → System → Troubleshoot → Other troubleshooters → Internet connections and run the troubleshooter. For Wi-Fi missing from Device Manager, also run Settings → System → Troubleshoot → Other troubleshooters → Network Adapter which specifically handles adapter detection issues.
Reset Windows network stack — Open Command Prompt as administrator and run: netsh winsock reset then netsh int ip reset then restart. A corrupted Winsock or TCP/IP stack can prevent Wi-Fi adapters from registering in Windows even when the hardware and drivers are functional on the Dell Vostro 14 5445.
Ainul, Petaling Jaya: “Wi-Fi disappeared entirely from my Dell Vostro 14 5445 after a Windows Update. The adapter was in Device Manager with an error. Downloading the specific Wireless LAN driver from Dell Support for the Ryzen 5 7530U model fixed it.”
Frequently Asked Questions
What Wi-Fi standard does the Dell Vostro 14 5445 support?
The Dell Vostro 14 5445 supports Wi-Fi 6 (802.11ax) with 2×2 MIMO, providing theoretical speeds up to 2.4 Gbps on 5GHz networks. Wi-Fi 6 improves performance in dense wireless environments compared to Wi-Fi 5 through OFDMA and BSS Coloring. The adapter also includes Bluetooth 5.3 on the same wireless chip.
Why does the Wi-Fi adapter only appear after restart but not wake from sleep on the Vostro 14 5445?
This pattern indicates a driver power management issue where the Wi-Fi adapter enters a low-power state during sleep and fails to re-initialize on wake. In Device Manager, right-click the Wi-Fi adapter → Properties → Power Management and uncheck Allow the computer to turn off this device to save power. This prevents the adapter from being powered down during sleep states on the Vostro 14 5445.
Does the Dell Vostro 14 5445 support Wi-Fi 6E?
The standard configuration of the Vostro 14 5445 ships with Wi-Fi 6 (not Wi-Fi 6E). Wi-Fi 6E adds the 6GHz band for less congested wireless connectivity. If the laptop was configured with the upgraded Wi-Fi card option, it may support Wi-Fi 6E. Check Device Manager for the Wi-Fi adapter model to confirm whether 6GHz support is present.
Can I replace the Wi-Fi card in the Dell Vostro 14 5445?
Yes. The Wi-Fi card in the Vostro 14 5445 uses an M.2 2230 slot and is replaceable. Compatible cards include the Intel AX211 (Wi-Fi 6E) and AX210 (Wi-Fi 6E). Replacing it upgrades wireless performance if the current card is defective or if Wi-Fi 6E connectivity is desired. Dell hardware compatibility lists confirm which cards are supported by the BIOS allowlist on this model.
Ryan holds a Computer Science degree and has over 20 years of hands-on experience with PC hardware, software, and driver troubleshooting. He is the author behind softwaredriverdownload.com, where he helps everyday users fix driver issues quickly and accurately. Ryan has personally tested most of the fixes on this site across a range of Windows 10 and Windows 11 machines.
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