External display stopped working with Win 10 Lenovo laptop

2

2CV_driver

Hi


Last week (w/c 20 July) my Win 10 Lenovo laptop was working fine using an external Acer display (model K272HL) dis using a known good HDMI lead. Part way through the week it stopped working and this seemed to coincide with an automatic Windows update.


Updating or rolling back graphics drivers have been unsuccessful.


Subsequent Windows updates have also been unsuccessful.


An error comes up when trying to uninstall the latest Windows update which in turn prevents older updates being uninstalled.

I'm trying to get back to the good status at the end of June when everything was working ok.


I have Win 10 home 64bit version 1903 installed.


The Laptop is a Lenovo B50-10 with Intel N3540 processor and Intel HD graphics card.


Many thanks

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