thinkpad T61 and R61 and T61P belongs to the graphics card door with NVIDIA 140M graphics chip, you belong to the graphics card chip problem, generally more and more serious, the machine motherboard chip is potted, technology and equipment can not repair store this potted can not be repaired, the most important is the technology. The most important thing is the technology. There is also the graphics card door chip must be replaced with a new and improved version of the chip in order to cure.
Answer to the laptop problem, something on the ask you are welcome, Baidu Hi and phone or information on the button consulting can be.