Latitude 7420 unable to detect USB headset (LogiTech H340) - Sometimes it works but not always..... - Dell Community
![Computer Headset Troubleshooting: USB headset stops working after a period of inactivity | Poly, formerly Plantronics & Polycom Computer Headset Troubleshooting: USB headset stops working after a period of inactivity | Poly, formerly Plantronics & Polycom](https://media-kb.poly.com/ProductionFiles/sleep_mode_3.jpg)
Computer Headset Troubleshooting: USB headset stops working after a period of inactivity | Poly, formerly Plantronics & Polycom
![Computer Headset Troubleshooting: USB headset stops working after a period of inactivity | Poly, formerly Plantronics & Polycom Computer Headset Troubleshooting: USB headset stops working after a period of inactivity | Poly, formerly Plantronics & Polycom](https://media-kb.poly.com/ProductionFiles/sleep_mode_2.jpg)
Computer Headset Troubleshooting: USB headset stops working after a period of inactivity | Poly, formerly Plantronics & Polycom
![Computer Headset Troubleshooting: USB headset stops working after a period of inactivity | Poly, formerly Plantronics & Polycom Computer Headset Troubleshooting: USB headset stops working after a period of inactivity | Poly, formerly Plantronics & Polycom](https://media-kb.poly.com/ProductionFiles/sleep_mode_1.jpg)