Dell PowerEdge R740 EMC PowerEdge Servers Troubleshooting Guide - Page 44

Troubleshooting cooling fans, Troubleshooting an internal USB key

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From F2 System Setup: 1. Select iDRAC Settings > Thermal, and set a higher fan speed from the fan speed offset or minimum fan speed. From RACADM commands: 1. Run the command racadm help system.thermalsettings For more information, see Integrated Dell Remote Access User's Guide at www.dell.com/poweredgemanuals Troubleshooting cooling fans Prerequisites 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 are shipped with your product. NOTE: The fan number is referenced by the management software of the system. In the event of a problem with a particular fan, you can easily identify and replace it by noting down the fan numbers on the cooling fan assembly. 1. Follow the safety guidelines listed in the Safety instructions section. 2. Follow the procedure listed in the Before working inside your system section. Steps 1. Reseat the fan or the fan's power cable. 2. Restart the system. Next steps 1. Follow the procedure listed in the After working inside your system section. 2. If the problem persists, see the Getting help section. Troubleshooting an internal USB key Prerequisites 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 are shipped with your product. Steps 1. Enter System Setup and ensure that the USB key port is enabled on the Integrated Devices screen. 2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet. 3. Remove the system cover. 4. Locate the USB key and reseat it. 5. Install the system cover. 6. Turn on the system and attached peripherals, and check if the USB key is functioning. 7. If the problem is not resolved, repeat step 2 and step 3. 8. Insert a known working USB key. 9. Install the system cover. Next steps If the problem persists, see the Getting help section. 44 Troubleshooting hardware issues

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From F2 System Setup:
1.
Select
iDRAC Settings
>
Thermal
, and set a higher fan speed from the fan speed offset or minimum fan speed.
From RACADM commands:
1.
Run the command
racadm help system.thermalsettings
For more information, see
Integrated Dell Remote Access User’s Guide
at
www.dell.com/poweredgemanuals
Troubleshooting cooling fans
Prerequisites
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 are shipped with your product.
NOTE:
The fan number is referenced by the management software of the system. In the event of a problem with a
particular fan, you can easily identify and replace it by noting down the fan numbers on the cooling fan assembly.
1.
Follow the safety guidelines listed in the Safety instructions section.
2.
Follow the procedure listed in the Before working inside your system section.
Steps
1.
Reseat the fan or the fan's power cable.
2.
Restart the system.
Next steps
1.
Follow the procedure listed in the After working inside your system section.
2.
If the problem persists, see the Getting help section.
Troubleshooting an internal USB key
Prerequisites
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 are shipped with your product.
Steps
1.
Enter System Setup and ensure that the
USB key port
is enabled on the
Integrated Devices
screen.
2.
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3.
Remove the system cover.
4.
Locate the USB key and reseat it.
5.
Install the system cover.
6.
Turn on the system and attached peripherals, and check if the USB key is functioning.
7.
If the problem is not resolved, repeat step 2 and step 3.
8.
Insert a known working USB key.
9.
Install the system cover.
Next steps
If the problem persists, see the Getting help section.
44
Troubleshooting hardware issues