Y580 seems to see HDMI only if he is present when the

It is difficult to obtain completely localized symptoms, but in general if I attach a HDMI (my TV) device, it is not recognized. If I reboot with the HDMI device connected, it is recognized. At least for some time after that, I can disconnect and reconnect the HDMI device and it will be recognized.

Thoughts?

Win 7 Pro 64-bit. All the updates found.

Other forums focus on Intel drivers suggest that this is a problem with a new driver. I rolled back the original driver, I had when I installed Win7 and it works again.

Tags: Lenovo Notebooks

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