- Notes, Cautions, and Warnings
- About your system
- Using the System Setup and Boot Manager
- Installing Blade
Components
- Recommended tools
- Removing And Installing A Blade
- Opening And Closing The Blade
- Inside The Blade
- Cooling shroud
- System Memory
- I/O Module Mezzanine Cards
- Management riser card
- SD vFlash card
- Network Daughter Card/LOM riser card
- Processors
- Hard Drives/SSDs
- Hard-drive/SSD backplane
- System board
- NVRAM backup battery
- Storage controller card/PCIe extender card
- Troubleshooting your system
- Using system diagnostics
- Jumpers and connectors
- Technical Specifications
- System messages
- Getting help
Dell PowerEdge M620 Systems Owner's Manual
Troubleshooting USB devices
- CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
- Ensure that the blade is turned on.
- Check the USB device connection to the blade.
- Swap the USB device with a known-working USB device.
- Connect the USB devices to the blade using a powered USB hub.
- If another blade is installed, connect the USB device to that blade. If the USB device works with a different blade, the first blade may be faulty. See Getting Help.
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