Viglen Dossier LT, User Manual, Page: 100 / 186

Drivers & Utilities
4 - 4 What to Install
4
Authorized Driver Message
If you receive a message telling you that the driver
you are installing is not authorized (
Digital Signa-
ture Not Found) , just click Yes or Continue Any-
way to ignore the message and continue the
installation procedure.
You will receive this message in cases where the
driver has been released after the version of
Win-
dows you are currently using. All the drivers pro-
vided will have already received certification for
Windows .
Version Conflict Message
During driver installation if you encounter any “file
version conflict” message, please click
Yes to
choose to keep the existing (newer) version.
Windows XP Service Pack 1
Make sure you install Windows XP Service Pack 1
(or a Windows XP version which includes Service
Pack 1)
before installing any drivers . Service
Pack 1 includes support for USB 2.0 .
If you have upgraded the system by installing Ser-
vice Pack 1 (i.e. your Windows XP version does not
include Service Pack 1) then follow these instruc-
tions:
1.Go to Device Manager (see step 1 of the PC Card
driver installation instructions on page 4 - 13 ) and
click “+” next to Other devices (if its sub-items are
not shown).
2.Right-click Universal Serial Bus (USB) Control-
ler and select Uninstall > OK .
3.Restart the computer and it will find the USB 2.0
controller.