Dell Inspiron 14 5445 AMD Ryzen 5 7430U USB Ports Not Working Fix Windows 11

Do a Full Power Drain

Shut down, unplug the charger and any USB devices, and hold the power button for 20 seconds. This clears the USB controller state on the Inspiron 14 5445 and often revives ports after a one-off glitch.

Disable USB Selective Suspend

Control Panel → Power Options → Change plan settings → Advanced → USB settings → set USB selective suspend to Disabled. This stops Windows powering down the Inspiron 14 5445 ports and failing to wake them.

Reinstall AMD Chipset and USB Drivers

Run Dell Command Update or Dell Support for Inspiron 14 5445 and install the AMD chipset and USB drivers. In Device Manager, uninstalling the USB Root Hubs and restarting also reinstalls them cleanly.

Update the BIOS

Install the latest BIOS for the Inspiron 14 5445 through Dell Command Update. BIOS updates include USB controller fixes that can restore ports that fail to enumerate after a Windows update.

Why are the USB ports not working on Dell Inspiron 14 5445?

USB ports failing on the Dell Inspiron 14 5445 are usually caused by an outdated or corrupt USB or chipset driver, the USB selective suspend power setting cutting power, or a one-off controller glitch cleared by a full power drain. The AMD Ryzen 5 7430U uses AMD USB controllers that need the correct chipset driver.

How do I fix dead USB ports on Inspiron 14 5445?

Reinstall the AMD chipset and USB drivers from Dell Support for Inspiron 14 5445, disable USB selective suspend in Power Options, and do a full power drain by shutting down, unplugging, and holding the power button for 20 seconds. Then restart and test the ports.

Does USB selective suspend cause port problems on Inspiron 14 5445?

Yes. USB selective suspend powers down idle ports to save energy and sometimes fails to wake them. Disable it in Control Panel → Power Options → Change plan settings → Advanced → USB settings to keep the ports powered on the Inspiron 14 5445.

Why does only one USB port fail on Inspiron 14 5445?

If a single port is dead while others work, suspect physical damage or debris in that port, or a device drawing too much power. Inspect and gently clean the port. If all ports are dead, the cause is almost certainly a driver or power setting.