4Installing Enclosure ComponentsNOTE: To ensure proper operation and cooling, all bays in the enclosure must be populated at all times with eithera module or with a blank.Recommended ToolsYou may need the following items to perform the procedures in this section:• #1 and #2 Phillips screwdrivers• T8, T10, T15, and T20 Torx drivers• Wrist grounding strapRemoving And Installing A BladeCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.NOTE: These procedures are applicable only for full-height and half-height blades. For information on removingand installing quarter-height blades from a sleeve, see the blade's Owner's Manual at support.dell.com/manuals.Removing A Blade1. Power down the blade using the operating system commands or the CMC, and ensure that the blade's power is off.When a blade is powered off, its front-panel power indicator is off.CAUTION: Before removing full-height blades 3 or 4 or half-height blades 11 or 12, rotate the LCD panel to thestorage position to prevent accidental damage to the LCD screen.2. Press the release button on the blade handle.3. Pull out the blade handle to unlock the blade from the enclosure.CAUTION: If you are permanently removing the blade, install a blade blank(s). Operating the system forextended periods of time without a blade blank installed can cause the enclosure to overheat.NOTE: A full-height blade requires two blade blanks.4. Slide the blade out of the enclosure.CAUTION: To protect the I/O connector pins, install the I/O connector covers any time a blade is removed fromthe enclosure.NOTE: A full-height blade requires four connector covers and a half-height blade requires two connectorcovers.5. Install the I/O connector cover over the I/O connector.69