DPC Latency - Caused by wireless

jcc2k4

Member
Mar 18, 2004
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I have recently moved into a new apartment (my computer worked fine before moving). When I powered up my PC I heard snaps, pops, and just audio anomalies. After 2 days of trying to figure it out, I stumbled across a DPC latency checker program. My DPC latency (with my wireless card enabled) is in the 17,000s. When my wireless card is disabled It is ~70.

So I update my wireless card drivers. Now I can't see any wireless network, let alone connect to one. I figure the wireless card is bad so I go out and buy a new one. The exact same problem occurs.

I have been searching and trying to troubleshoot this for a full 2 days now. I just want both my audio and my wireless card to work together! :(

Any help would be awesome.
 

jcc2k4

Member
Mar 18, 2004
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If i update my driver, the only way to connect to the internet again is to uninstall and delete the driver.

Note: I'm using the microsoft driver update program, as the only driver for my wireless card is, apparently, "out of date" (according the microsoft).

I'm using a SB Audigy soundcard, and a Linksys wmp300n wireless adapter.
 

Raduque

Lifer
Aug 22, 2004
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Wireless drivers are pretty horrible when it comes to DPC latency. Is this a desktop? And if it's a desktop, any reason you can't use a wired network card and a ethernet port on your wireless router?
 

jcc2k4

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Mar 18, 2004
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I can't use a wired connection at the moment as the router is too far away. =\

I haven't had a problem in the past, just when I moved into this new place. (granted the router has changed, but that shouldn't be a problem, right...?)
 

Raduque

Lifer
Aug 22, 2004
13,140
138
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I have pretty bad DPC latency on my laptop (13k+) no matter what wireless router I'm connected to.

Personally, depending on how many walls are between me and the router, I'd find a way. Wifi is too slow.
 

jcc2k4

Member
Mar 18, 2004
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There HAS to be a way to do this via wireless. I refuse to believe the $70 network card i've been using for a year now has just stopped working because i'm in a new location.

I also refuse to use a wired connection. There's no reason for me to HAVE to do that. There absolutely HAS to be a fix to this. It's just a matter of finding it... :(
 

VirtualLarry

No Lifer
Aug 25, 2001
56,571
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Get a network wireless bridge, with an ethernet port. That's what I would recommend. I only recommend using a wireless adapter in a desktop PC as a last resort.
 

birthdaymonkey

Golden Member
Oct 4, 2010
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Have you considered trying the onboard sound to see if the Audigy is somehow implicated? I realize this is a bit of a long shot, but it seems like it would be worth a try if you're just scratching your head.
 

jcc2k4

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Mar 18, 2004
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Yep I have tried using the onboard sound, and moving both the cards (soundcard and network card) into different slots.

I guess the network wireless bridge would work, but I'd rather not have to buy anything else. I'd rather just have it work (like it did before the move).
 

jcc2k4

Member
Mar 18, 2004
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Actually, I figured it out. It was, believe it or not, the router.

If the router was transmitting at 300mbps (wireless N) it would give my computer a DCP latency of ~16,000. I set it to transmit at only 145 mbps (wireless g) and it dropped to ~2,300. It's still pretty high (higher than a wired connection), but the sound isn't bad anymore.