DELL E23S Series User Manual

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Memory riser and fan cage
Processor(s) and heat sink(s)
4.
Let the system dry thoroughly for at least 24 hours.
5.
Reinstall the components you removed in step 3.
6.
Close the system.
7.
Turn on the system and attached peripherals.
If the system does not start properly, see 
8.
If the system starts properly, shut down the system and reinstall all of the expansion cards that you removed.
9.
Run the appropriate diagnostic test. For more information, see Using System Diagnostics.
If the tests fail, see 
.
Troubleshooting A Damaged System
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.
1.
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2.
Open the system.
3.
Ensure that the following components are properly installed:
Hard-drive carriers
Hard-drive backplane
Hard drives
Cable Management Tray
Expansion cards and expansion-card risers
Power supply(s)
Memory risers
Cooling fans
Memory riser and fan cage
SD cards
USB memory key
NIC hardware key
Network Daughter Card riser (Riser 1)
Processor(s) and heat sink(s)
4.
Ensure that all cables are properly connected.
5.
Close the system.
6.
Run the appropriate diagnostic test. For more information, see Using System Diagnostics.
If the tests fail, see 
.
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