Fix USB Not Working Error Code 39: If you are trying to use USB devices such as pen drive, keyboard, mouse or portable hard disk but none of them are detected on your PC then this means there is some problem with your USB Port. But in order to verify this is the case here, you need to first test the USB device on another PC to confirm they are working on that system. Once it’s confirmed that the device works on other PC then you can be sure that USB doesn’t work on your PC and in order to get more information head to device manager. Expand Universal Serial Bus controllers and right-click on the device which has a yellow exclamation mark next to it and select Properties. In the properties following error description will appear:
Windows non può caricare il driver per questo dispositivo hardware. Il driver potrebbe essere danneggiato o mancante. (Codice 39)
Now the error code 39 means the device drivers are corrupted, outdated or incompatible which in turn is caused due to corrupt registry entries. This can happen in case you have upgraded your Windows or you have installed or uninstall some USB software or drivers. So without wasting any time let’s see how to Fix USB Not Working Error Code 39 with the help of below-listed troubleshooting guide.
Fix USB Not Working Error Code 39
Assicurati di creare un punto di ripristino nel caso in cui qualcosa vada storto.
Method 1: Delete UpperFilters and LowerFilters registry keys
1.Premere il Tasto Windows + R pulsante per aprire la finestra di dialogo Esegui.
2.Digitare regedit in the Run dialogue box, then press Enter.
3.Now go to the following registry key:
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{36FC9E60-C465-11CF-8056-444553540000}
4.In the right pane search for UpperFilters and LowerFilters.
Note: if you can’t find these entries then try the next method.
5.Elimina both of these entries. Make sure you are not deleting UpperFilters.bak or LowerFilters.bak only delete the specified entries.
6.Exit Registry Editor and restart the computer.
This should probably Fix USB Not Working Error Code 39 if not, then continue.
Metodo 2: aggiorna i driver USB
1.Premere il tasto Windows + R quindi digitare devmgmt.msc e premi Invio per aprire Gestore dispositivi.
2.Espandi dispositivi del controllo Universal Serial Bus then right-click the USB device with yellow exclamation and select Aggiorna driver.
3.Then choose Cerca automaticamente il software del driver aggiornato.
4.Reboot your PC to save changes. If the problem still persists then follow the next step.
5.Again select Update Driver Software but this time choose ‘Sfoglia il mio computer per il software del driver.'
6.Next, at the bottom click ‘Lasciami scegliere da un elenco di driver disponibili sul mio computer. '
7.Select the latest driver from the list and click Next.
8.Let the Windows install drivers and once complete close everything.
9.Reboot your PC to save changes and you may be able to Fix USB Not Working Error Code 39.
Method 3: Run Hardware and Device troubleshooter
1.Press Windows Key + X and click on Pannello di controllo.
2.Search Troubleshoot and click on Risoluzione dei problemi.
3.Successivamente fare clic su Vedi tutto nel riquadro di sinistra.
4.Click and run the Troubleshooter for Hardware and Device.
5.The above Troubleshooter may be able to Fix USB Not Working Error Code 39.
Method 4: Uninstall USB Controllers
1.Premi il tasto Windows + R quindi digita "devmgmt.msc"e premi Invio per aprire Gestione dispositivi.
2.Expand Universal Serial Bus controllers then right-click the USB device with yellow exclamation and select Uninstall.
3.Se viene richiesta conferma, selezionare Sì.
4.Reboot to save changes and Windows will automatically install the default drivers for the USB.
Method 5: Disable and Re-enable the USB controller
1.Premere il tasto Windows + R quindi digitare devmgmt.msc e premi Invio per aprire Gestione dispositivi.
2.Espandi dispositivi del controllo Universal Serial Bus in Gestione periferiche.
3.Now right-click on the first Controller USB e quindi fare clic su Disinstallare.
4.Repeat the above step for each of the USB controller present under Universal Serial Bus controllers.
5.Reboot your PC to save changes. And after the restart Windows will automatically reinstall tutti Controller USB that you uninstalled.
6.Check the USB device to see whether it is working or not.
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