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Troubleshooting usb devices, Responding to a systems management alert message, Troubleshooting a wet enclosure – Dell PowerEdge M605 User Manual

Page 183

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Troubleshooting Your System

183

Troubleshooting USB Devices

NOTE:

USB devices can be connected only to the blade front panel. Total length of

a USB cable should not exceed 3 m (9.8 ft).

Problem

USB device or USB device cable

Multiple devices connected directly to blade (powered USB hub not used)

Blade

Action

1 Ensure that the blade(s) is turned on.
2 Check the USB device connection to the blade.
3 Swap the USB device with a known-working USB device.
4 Connect the USB devices to the blade using a powered USB hub.
5 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" on page 217.

Responding to a Systems Management Alert
Message

The CMC management applications monitor critical system voltages and
temperatures, and the cooling fans in the system. For information about the
CMC alert messages, see the Configuration Guide.

Troubleshooting a Wet Enclosure

Problem

Liquid spills

Splashes

Excessive humidity