11Reinstall the sled. See "Installing a Sled" on page 134.

12Reconnect the server enclosure to the electrical outlet or the PDU.

13Turn on the sleds and attached peripherals.

14If the system fails to start, see "Getting Help" on page 229.

Troubleshooting a Damaged Enclosure

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.

1Turn off the sleds and attached peripherals.

2Disconnect the enclosure from the electrical outlet or the PDU.

3Ensure that the following components are properly installed in the enclosure:

Power sleds

Fan modules

Sleds

4Ensure that the following components are properly installed in the sled:

MicroSD card reader

Node power distribution board

Interposer extender

Mezzanine card

Expansion card/RAID controller card

Memory modules

Processors and heat sinks

Cooling shroud

Hard-drives

5Ensure that all cables are properly connected.

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Troubleshooting

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Dell C8220 owner manual Troubleshooting a Damaged Enclosure, 202