Allied Telesis AT-2973T (NetExtreme II) - Manual (Page 81)

AT-2973SX and AT-2973T NetExtreme II Family Adapters Installation and User’s Guide
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To perform a silent uninstall from within the installer source folder, type the
following:
msiexec /x "BDrv5706.msi" /qn
To perform a silent uninstall from any folder, type the following:
msiexec /x "{F0DA8A3F-1457-419E-96F4-235DD3EF41E1}" /
qn
Note
The hexidecimal number above may differ from your current
installer. Check the Key name corresponding with the Broadcom
Advanced Control Suite 3 (BACS) application in
HKLM\Software\Mictrosoft\Windows\CurrentVersion\Uninstall for the
correct hexidecimal number.
Performing a Silent Reinstall
To perform a silent reinstall of the same installer, type the following:
setup /s /v"/qn REINSTALL=ALL"
Note
The REINSTALL switch should only be used if the same installer is
already installed on the system. If upgrading an earlier version of the
installer, use setup /s /v/qn as listed above.