Question Radeon RX 580 series GPU

RSDS1227

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Feb 29, 2016
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Since install of Radeon RX 580 series GPU my win 10 PC doesn't wake from sleep correctly. It takes about 75 to 105 seconds for the monitor to come on. Everything else is up and running except the monitor is still black. At startup all works fine, only happens when waking from sleep. Any help would be very much appreciated.

Rich