Lenovo ThinkSmart Hardware Maintenance Manual

Also see for ThinkSmart Hub: User guide Deployment guide Hardware Maintenance Manual User guide Getting started

USB device problemsProblem SolutionA USB device cannot be accessed.• Connect the USB cable from the USB connector to the USBdevice. If the USB device has its own power cord, connect thepower cord to a grounded electrical outlet.• Turn on the USB device and keep the device online.• Install any device drivers or programs supplied with the USBdevice. Refer to the documentation that comes with the USBdevice for more information.• Disconnect and reconnect the USB connector to reset the USBdevice.• Ensure that the Smart USB Protection function is disabled in UEFIBIOS.DiagnosticsUse diagnostic solutions to test hardware components and report operating-system-controlled settings thatinterfere with the correct operation of your hub.Lenovo diagnostic toolsFor information about Lenovo diagnostic tools, go to:https://pcsupport.lenovo.com/lenovodiagnosticsolutionsUEFI diagnostic programA UEFI diagnostic program is preinstalled on the hub. It enables you to test memory modules and internalstorage devices, view system information, and check and recover bad sectors on internal storage devices.To run the UEFI diagnostic program, do the following:1. Turn on the hub. If the hub cannot be turned on, go to “Basic procedure for resolving hub problems” onpage 37. If an error code is displayed, go to “Symptom-to-FRU index” on page 32 for error codedescriptions and troubleshooting hints.2. Repeatedly press and release the F10 key when turning on the hub. The main screen of the UEFIdiagnostic program is displayed.3. Follow the instructions on the screen to use the diagnostic program.The options on the main screen are as follows:Chapter 5. Troubleshooting, diagnostics, and recovery 43