Sorry for very very late replay.
If you are not solve your problem
follow this steps.
Open Regedit on your navigation system
GO to HKEY_LOCAL_MACHINE
go to DRIVERS
go to display
and open display on right site find name cursor or pointer
you will see on cursor data line will be 0
you must change this to 1
double click on name cursor or pointer .
I don't know which name will be on your unit
will be open new window and here change VALUE DATA from 0 to 1
restart unit and you will get small cursor in windows only
for cursor in D2288 manager program is working from my last post by
Use this file
USBMouse.rar - 4shared.com - online file sharing and storage - download
unpack this in \ nand flash \ usbmouse
run Mort Script.exe
and you will get yellow mouse pointer into manager and mouse can be used all time.