1.
Slide the top cover toward the front of the server. The top cover is locked when a
"click" is heard. At this time, check the release button for normal state. When the top
cover is securely locked, the release button springs up. If the release button is held
down (hollow state), slide the top cover toward the front of the server again. If the top
cover is not locked yet, remove the cover, and then install it again.
Upgrading Your NEC Storage 149