A common problem in IBM T40

A common problem in IBM T40  ,  the notebook can not work , Screen is not bright , debug code 4R48  stop , usual it is graphics card problem . This is a common fault , Your loyal friend - Pinkney , http://www.htic-tool.com 


from https://plus.google.com/b/107329939332162905445/+Htictoolchipset/posts