How To Fix Lenovo Laptop Screen Flickering Problem. This is a known problem among Thinkpad T400s users and has been commonly linked to a faulty connection somewhere along the LCD cable connectionscable itself. Having big problem with screen flicker.

So far replacing Nvidia driver worked. If you notice the flickering. It is very common and many people have encountered this problem in their laptops.
Many solutions on Lenovo site and elsewhere.
Manually disable Hyper-V service related Service. Shut down your laptop. Give us a call we can get you back up and running. Check Task Manager to fix laptop screen flickering.

