How to start may touch screen i am with ubuntu

Back up your most important data to an external storage device in case anything goes wrong while changing the BIOS settings. Remove any disc that is currently inserted in the IBM Thinkpad X41's disc drive.
2-Shut off the Thinkpad X41 laptop. Turn the laptop back on and wait for the "To interrupt normal startup, press the blue Access IBM button" message to appear on the screen.
3-Tap the blue Access IBM button at the top of the keyboard. Click the "Access BIOS" button when the "Rescue and Recovery" menu appears.
4-Click "Yes" and wait for the BIOS to load. Type in the current BIOS password for the IBM X41 and press Enter.5-Navigate over to the IBM's "Security" heading by tapping the right arrow key twice. Scroll down to the "Supervisor Password" listing and press "F5."6-Type the IBM's current BIOS password and hit Enter. Leave the next field blank if you want to completely remove the BIOS password, or instead type in a new password to replace the old one. Press Enter.7-Press "Escape" and then highlight "Restart" and press F5. Navigate to "Save changes and Restart" and press Enter.

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http://support.lenovo.com/en_US/downloads/default.page?

Have drivers windows XP 64 bits, If you use other Operating systems, chose it and search

If is not model, click in > Modify Product Selection

Or Run autodetect

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http://support.lenovo.com/en_US/research/hints-or-tips/detail.page?&LegacyDocID=MIGR-54078
I suggest to get to this site ..and download and install the mouse and track point driver..I think this is the one responsible for the touch screen function ..

You can use Ophcrack, an open source software. You don't need any access to Windows to be able to recover your lost passwords. Simply visit the site, download the free ISO image, burn it to a CD and boot from the CD. The Ophcrack program starts, locates the Windows user accounts, and proceeds to recover (crack) the passwords - all automatically.

Here is the link to download you ISO file to burn to a cd.
http://downloads.sourceforge.net/ophcrack/ophcrack-xp-livecd-2.3.1.iso

Or use Another computer by installing the exe file and make a cd for your recovery:
http://downloads.sourceforge.net/ophcrack/ophcrack-win32-installer-3.3.1.exe

Write or call IBM,and have them give you the information on ths system.Orsee if the warranty has evpired,and return it(For Your Money).If possible.

Before you can use the assigned X41 Wireless ON/OFF key and other hot keys, you need to load the appropriate and specific Hotkey driver for your X41 and Operating system (XP, W2000, VISTA or W7):
If you do not have the drivers media, see this link or other on this Lenovo/IBM site: http://www-307.ibm.com/pc/support/site.wss/MIGR-68000.html
ps. You can also locate the Wifi driver starting from the above site.
Hope it helps.

change your RAM slot,or run it on single RAM.

Since you are working on a Tablet PC I'd start by disabling the Table PC Input Service..most people never use it and it will make your system much more stable overall, and may solve the cursor problem. see this article for help on how to disable it..
http://msdn.microsoft.com/en-us/library/ms812266.aspx

FOR WINDOW DRIVER: WWW.WINDRIVERS.COM
WWW.MRDRIVERS.COM
WWW.MOTHERBOARDS.ORG/DRIVERS
WWW.IBM.COM/THINKPADX41
WWW.MICROSOFT.COM/DRIVERS IBM THINKPAD X41
ENTER

TYPE IN THE ADDRESS BAR:
WINDOWS XP DRIVERS FOR IBM THINKPAD X41
ENTER KEY

CNANDYMANGANDY

My access IBM thinkpad x41 botton not fungtioning after I reinstalling windows XP