My Aspire E5-571P will no longer detect my (or others) external monitor after a recent Windows 10 update. All was good before the update. My monitor is confirmed in good working order. I suspect an outdated driver (current is Intel HD Graphics 5500). My E5 and the Acer web site both say I'm using the most current driver but Intel shows a much newer version than what is on my computer. However, when I try to download the newer version my computer won't let me. Error message appears telling me that the newer version "is not validated for this computer". Any help with the download issue would be greatly appreciated (or any other suggestion as to why my second monitor is not detected)!. Thanks all!
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