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For example, a typical problem is shown in the next figure. Red bars indicate excessive DPC latency. (Figure A.2)
Figure A.2
So let’s open
Device Manager
to find out the driver that causes the excessive DPC latencies. On your desktop, right
click
My Computer
icon and click
Properties
. In the
System Properties
window, click the
Hardware
tab, and then
click the
Device Manager
button. In the next page, please check Figure A.3.
