IOGear GCS661UW6 - Manual (Page 23)

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Firmware Upgrade
Step 1
Go to www.iogear.com to download the latest
firmware for the unit from the computer that is
being used for the firmware upgrade.
Step 2
Extract the file that you have downloaded by
using software such as Winrar.
Step 3
Connect either end of the USB port to computer
that is performing the firmware upgrade.
Step 4
Double-click the execution file that you have
extracted to begin the firmware upgrade
process.
Step 5
A window will popup, select the GCS661U CD
drive no. then click start to proceed.
Note: if you don’t remember the drive no., you can
go to “My Computer” and check.