Dell PowerEdge XE2420 EMC Installation and Service Manual - Page 53
Installing and removing system components, Safety instructions
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5 Installing and removing system components Topics: • Safety instructions • Before working inside your system • After working inside your system • Recommended tools • Optional front bezel • System cover • Drives • Power supply unit • Cooling fan • Cooling fan backplane • Drive backplane • Primary drive bay assembly • Control panel • Cable routing • PERC • Air shroud • Intrusion switch module • System memory • Expansion cards and expansion card risers • Processor and heat sink • Optional IDSDM module • Micro SD card • BOSS riser and M.2 module • Network daughter card • System battery • Optional internal USB memory key • Power interposer board • System board • Trusted Platform Module Safety instructions NOTE: To avoid injury, do not lift the system on your own, get others to assist you. WARNING: Opening or removing the system cover while the system is turned on may expose you to a risk of electric shock. CAUTION: Do not operate the system without the cover for a duration exceeding five minutes. Operating the system without the system cover can result in component damage. 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. CAUTION: To ensure proper operation and cooling, all bays in the system and system fans must be always populated with a component or a blank. Installing and removing system components 53
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