Lenovo ThinkPad T43p - Manual (Page 100)

You can find instructions for replacing CRUs in Access IBM, your on-board
help. To start Access IBM, press the blue Access IBM button on your
ThinkPad.
If you are unable to access these instructions or if you have difficulty
replacing a CRU, you can use either of the following additional resources:
v The Online Hardware Maintenance Manual and Online Videos available
from the Support Web site
http://www.lenovo.com/think/support/site.wss/document.do?lndocid
=part-video
v The Customer Support Center. For the telephone number of the Support
Center for your country or region, see “Worldwide telephone list” on page
72.
78 ThinkPad ® T40 Series Service and Troubleshooting Guide