100 Installing System ComponentsReplacing an Expansion-Card Riser1 To install an expansion-card riser, align the riser guide posts with the riserguide posts on the system board. See Figure 3-11.2 Lower the expansion-card riser into place until the expansion-card riserconnector is fully seated.3 If applicable, reinstall the integrated storage controller card. See "Installingthe Integrated Storage Controller Card" on page 97.4 If applicable, reinstall the expansion card. See "Installing an ExpansionCard" on page 93.5 Close the system. See "Closing the System" on page 83.6 Reconnect the system and peripherals to their power sources.Internal USB Memory KeyThe USB memory key can be used as a boot device, security key, or massstorage device. To use the internal USB connector, the Internal USB Portoption must be enabled in the Integrated Devices screen of the System Setupprogram.To boot from the USB memory key, you must configure the USB memory keywith a boot image and then specify the USB memory key in the bootsequence in the System Setup program. See "Boot Settings Screen" onpage 63. For information on creating a bootable file on the USB memory key,see the user documentation that accompanied the USB memory key.CAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.NOTE: To avoid interference with other components, the maximum allowabledimensions of the USB key are 24 mm (.94 in) wide x 79 mm (3.11 in) long x 8.6 mm(.33 in) high.1 Turn off the system, including any attached peripherals, and disconnectthe system from the electrical outlet.2 Open the system. See "Opening the System" on page 82.
