Sleep Mode Issue

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Joined
17 Mar 2011
Posts
2,124
Location
Snowdonia
When I wake my pc from sleep mode I often find a "System Interrupts" process is using about 20% of the CPU.

Any idea what this is and what may be the cause? The only way to get rid of this high idle usage is to restart, which defeats the purpose of using sleep mode :(

My system runs smoothly otherwise on a year old Win 7 64 bit install. I'm guessing its a driver issue of some kind. Any ideas?
 
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