EL-SR and EL-ip exacqVision systems were manufactured with hard-drive caddies that contain a power switch starting in October 2011. If it appears that the hard drive in an exacqVision EL-SR or EL-ip system is not functioning even though the system is powered up, look on the front of the system and determine whether a hard drive power button is visible (see the button circled in red in the photograph below). If the green hard drive LED is not illuminated (see green circle), push the button to activate the hard drive.
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Hard-Drive-Power-on-exacqVision-EL-SR-and-EL-ip-Systems.pdf