I believe that you created your problems. You have TI connect, Use it. If you feel that you have the soul of a hacker then TILP
is for you.
If you have a TI USB Silver link or a mini USB to Standard USB Direct cables you need TI Connect 1.6 not GraphLink (for Windows).
YOU MUST uninstall
and TILP2 SOFTWARE, then install TI Connect 1.6
In what follows, I am including a copy of an earlier post of mine that may help you install the correct drivers
If you have a USB SilverLink
cable, use it to
connect the calculator though the I/O (round) port.
If you do not
have a USB SilverLink
cable, you can use the
Direct cable but you will have
to install the correct driver for it.
I do not know what computer operating
system you are running and I use Windows XP so I will describe the
installation procedure for Windows XP SP3.
Install TI connect 1.6
for Windows; if your system is Vista you must install a patch available
on the TI website, at the same page where you find TI Connect.
you install TI Connect, connect you calculator to the computer with the
Direct cable. Windows
will detect the calculator and will try to install the drivers. You will
have something that is similar
to what is on the three
screen captures I am inserting in the post. On the last screen, choose
the TI Educational Handheld device
and click next.
Windows asks to stop installation, click continue anyway
After the installation, click finish.
Device manager will show
you something like what is on next screen (TI Educational Handheld
Run TI Connect to verify that the calculator is
recognized. Connect your computer to the Internet and click the Updates
Button on the TI Connect tool bar.