HT3492 I have an Acer S239HL display monitor connected to my MacBook pro that just stopped working. Acer customer support said I needed to refresh the display adapter driver. How or where do I find this?

How do I update or refresh the display adapter driver on my MacBook Pro? I have it connected to an Acer display monitor that just stopped working. Acer custoemr support told me I need to refresh the display driver. ANy suggestions on how I do this? Or what I need to download or update/ Thanks.

So the display WAS WORKING connected to your Mac?
Restart your Mac.
Try the monitor on another computer, Mac or Windows, to see if it works at all.

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Hi alangium,
Welcome to the Support Communities!
Resetting your computer's PRAM should restore your Macbook Pro's screen appearance.
OS X Mavericks: Reset your computer’s PRAM
http://support.apple.com/kb/ph14222
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http://support.apple.com/kb/HT3382
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Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/HT1573#5
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If the detect displays option is not available, hold down the Option key while you are in the Display pane.
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HT3492 I have an Acer S239HL display monitor connected to my MacBook pro that just stopped working. Acer customer support said I needed to refresh the display adapter driver. How or where do I find this?

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