Cannot read USB stick on Wyse S10

Having problem reading USB stick.

current version SQA 6.1.5_03

wnos.ini
#This will prevent the user being asked to log in to the local device
signon=1

#Citrix server.
PnliteServer=192.168.30.35
DomainList=apexfenner

#Make windows appear as they would look on windows
Seamless=yes

#This will upgrade to firmware if a newer version exists ing the ftp directory
AutoLoad=1

SessionConfig=All Mapdisks=yes DisksReadOnly=yes

#Add a certificate for Citrix Secure Gateway
AddCertificate=ica.deman.cable.nu.crt

#Set correct language
language=au

#Set screen resolution
#Resolution=1024×768 Refresh=75

#Set desktop colour
DeskColor=”78 100 252″

#Custom Screen Saver
ScreenSaver=0 LockTerminal=no SoftSaver=no Type=3 Image=logo_fd_af.bmp

#Set wallpaper, don’t forget to put a bitmap in the directory under
#the wnos directory and call it bitmap (ie wnosbitmaplogo.bmp)
Desktop=logo_fd_af.bmp

#Start to lock down thin client
Priviledge=none Lockdown=no

#TimeZone=”GMT + 10:00″ ManualOverride=yes daylight=yes start=100507 end=030507 TimeZoneName=”AUS Eastern Standard Time” DayLightName=”AUS Eastern Daylight Time”
#TimeServer=192.168.30.34

#Remote Shadow options
VncPrompt=0

#Login Notice and GUI bitmap
NoticeFile=Notice.txt
FormURL=logo_fd_af.bmp