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votes
1answer
321 views

Intel 3945ABG DPC spikes (audio stutter, mouse) in Windows 8.1

As reported by many users, Intel WiFi chips such as 3945ABG and the later 4965 may experience CPU spikes due to DPC activity. This is typically experienced as: Audio stuttering. Uninterrupted ...
1
vote
0answers
232 views

Usb wireless adapter causing DPC spikes

Bought 2 new TP-LINK WN722N USB wirless adapters as they were the highest rated on Newegg and were a great price. Both of them cause abnormally high DPC & Interrupt usage in Process Explorer and ...
0
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1answer
1k views

DPC latency spikes every 60 seconds related to Dell 1515 (atheros) WLAN

I'm getting DPC latency spikes every 60 seconds related to Dell 1515 (atheros) WLAN. If you turn off the wireless card, the spikes go away. If you disable wireless autodiscovery, they go away. I've ...