Like in a topic. I installed newest drivers for mine graphic card, after a few minutes crashed to BSOD Thread_Stuck_In_Device_Driver because of it I must to format notebook after this notebook sometimes get crashed Video_TDR_Failure. Now notebook don't detect this card. I tried reinstalling drivers to original, reinstalling windows, formating and non of these worked, now I don't know what more I can except sending it to service. Mine notebook is Lenovo Z51-70