Dell Wyse Z90D7 Installation Manual page 9

Installing Z Class Flash
7. Remove the existing flash module. Locate the flash module and use the Phillips
Screwdriver to remove its retaining screw as shown in Figure 5. Lift the flash module
out of the socket.
Figure 5 Removing the existing flash module
8. Install the new flash module in the reverse order of removing the original flash
module. Carefully screw down its retaining screw until it is secure.
9. (a) Align the cover screw tabs with screw holes and press downward; (b) slide cover
toward the front of the thin client, as shown in Figure 6.
Figure 6 Reattaching the cover
10., Attach the screws in the reverse order as described in step 3.
11. Connect the power cord and power adapter, attach any other cables to the thin
client, and then attach the vertical foot.
CAUTION: Do not turn on the thin client. The thin client is ready to re-image,
however the flash module does not contain an operating system. Turning on power
to your thin client without firmware will display the error message "NO OPERATING
SYSTEM FOUND."
12.Continue with "Installing WES7p Firmware."
5