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Windows 7: Need driver help for WLAN PCIe Card

10 Aug 2014   #1
Kerf

Windows 7 Home Premium 64-bit SP1
 
 
Need driver help for WLAN PCIe Card

I have been noticing some DPC latency spikes that cause my sound make popping sounds. I believe I have narrowed it down to my wireless card being the culprit. Instead of disabling it, I would like to update the driver, but I cant find any driver download from the manufacturer, or dell, or a seemingly safe download sites for it. I use DW1525 (802.11n) WLAN PCIe Card and my current driver version is 8.0.0.239. I'm using windows 7 64bit.


My System SpecsSystem Spec
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10 Aug 2014   #2
carwiz

Windows 7 Pro-x64
 
 

What is the complete model number of your Dell PC? You should get your drivers directly from Dell.
My System SpecsSystem Spec
10 Aug 2014   #3
Kerf

Windows 7 Home Premium 64-bit SP1
 
 

Its the Dell XPS 9000. ST: 93WSLM1
My System SpecsSystem Spec
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11 Aug 2014   #4
carwiz

Windows 7 Pro-x64
 
 

You should verify you have the current Dell drivers. Don't install the firmware updates unless you're having problems with the specific hardware. (Disk, CD, etc.) The BIOS update is a coin flip but I would at least check your version.

Dell drivers should be here: Product Support | Dell US

As for the adaptor, I did find this but your system is not listed: Driver Details | Dell US
My System SpecsSystem Spec
11 Aug 2014   #5
Kerf

Windows 7 Home Premium 64-bit SP1
 
 

I updated the driver that wasn't shown for my computer specs, it seems to have successfully updated the driver, however the DPC latency spikes still remains unchanged, causing audio popping. I'm starting to think there may just be a problem with the card itself. I don't use wireless internet, so its not a huge deal if I simply disable it, although I'd rather try to fix the problem. Regardless, thanks for the help so far.
My System SpecsSystem Spec
11 Aug 2014   #6
carwiz

Windows 7 Pro-x64
 
 

Do the spikes occur if you start with a Clean Startup (Boot)?

Follow this tutorial for performing a Clean Startup: Troubleshoot Application Conflicts by Performing a Clean Startup
My System SpecsSystem Spec
11 Aug 2014   #7
Kerf

Windows 7 Home Premium 64-bit SP1
 
 

Just tried a clean boot, seems to have helped significantly. I usually get the spikes every minute, but after waiting 10 minutes after a clean boot, I didn't seem to get anywhere in the red. I'm starting to wonder if it has something to do with McAfee, since that's the only thing that immediately comes to mind.
My System SpecsSystem Spec
11 Aug 2014   #8
carwiz

Windows 7 Pro-x64
 
 

You could try adding back one startup item at a time then reboot. If the spikes return, then you've identified one culprit. There could be more than one or a combination. Is McAfee up to date as far as the version?
My System SpecsSystem Spec
11 Aug 2014   #9
Kerf

Windows 7 Home Premium 64-bit SP1
 
 

McAfee SecurityCenter and McAfee UI Container are the only 2 programs I currently have on start up. Its also up to date. Which further leads me to believe it may be part of the problem. I'll see if I can mess with some settings and see if it gets any better. Could there be a chance it could be the firewall?
My System SpecsSystem Spec
11 Aug 2014   #10
carwiz

Windows 7 Pro-x64
 
 

I'm not familiar enough with McAfee to make that call. The shear number of drivers it uses could be a cause.

If you want to take the time and effort to test without McAfee, Microsoft Security Essentials (MSE) is fast, effective and fluid with the system. It's most often suggested here during testing because it blends with the system and has never known to have caused system or software problems. It would mean uninstalling McAfee though and making sure all of it's drivers are removed.

Microsoft Security Essentials - Microsoft Windows
My System SpecsSystem Spec
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 Need driver help for WLAN PCIe Card




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