Headset Drivers are causing latency issues, PLTGC.sys

Starz0r

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This is a problem that has been driving me up the wall lately with my headset. A few months back I bought a headset called Plantatronics Gamecom 780. I put up with the issues for awhile since I was in school and had no real problem with restarting the computer to get rid of the issues. But it always comes back and I can't seem to get rid of it.

LatencyMon seems to show that the driver that is causing this is PLTGC.sys which is the driver that comes with my headset, uninstalling the driver has no effect on it. I have no other visible ports to plug the headset into on the computer (2.0 USB Port in the front is busted), so I only have the ones that come with the motherboard in the back.

Picture of LatencyMon: http://puu.sh/aL01r/8ce3878457.png

I hope someone can help me with this.
 

My Computer

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Windows 7 Home Premium 64-bit SP1
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8.00GB Dual-Channel DDR3 @ 667MHZ (9-9-9-24)
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1863GB Seagate ST2000DM001-1CH164 ATA Device (SATA)

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I have a recording studio.

What type of latency problem are you having? If it is a latency problem. In recording, PC sound cards have poor latency and are considered poor for recording.

Have you run the DPC Latency Checker? The Resplendence Latency Monitor tends to go overboard some times.
DPC Latency Checker
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
My Own Build
OS
Windows 10 64 bit
CPU
Intel i7 6700K
Motherboard
ASUS ROG Maximus VIII Hero
Memory
16GB Corsair Dominator
Graphics Card(s)
Intel CPU Graphics
Sound Card
RealTek
Monitor(s) Displays
27" Dell S2719dgf
Screen Resolution
2560X1440
Hard Drives
1 TB Samsung 850 EVO SSD for Win 10 Pro
500GB Samsung 850 EVO SSD for Win 10 Insider
2 TB drive for backup
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EVGA Supernova 750G2
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BeQuiet Silent Base 600
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Deepcool Captain 120EX
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Microsoft Wireless 2000
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100 MB/sec (Cable)
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Edge/Firefox
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Cakewalk (Sonar) by BandLab and Studio One 4.1 Pro recording studio software. MOTU 896Mk3 Hybrid recording interface, Frontier Tranzport wireless control unit, Behringer X-Touch Control Surface.
Five USB connected optical drives for CD Audio production using Nero BurningROM
I have a recording studio.

What type of latency problem are you having? If it is a latency problem. In recording, PC sound cards have poor latency and are considered poor for recording.

Have you run the DPC Latency Checker? The Resplendence Latency Monitor tends to go overboard some times.
DPC Latency Checker
Used DPC Latency Checker too, it just shows the same thing. The It starts out under 1000ms, then it starts reaching 16000 or higher. It's not just in recording. If I'm watching something on YouTube and decide to refresh my follwers page on Twitch the drop out in audio latency becomes very audible. I don't know if there are any other problems that occur since I just restarted my computer awhile ago so we will just have to wait and see.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Home Premium 64-bit SP1
CPU
AMD FX-6300
Motherboard
ASRock 960GM/U3S3 FX
Memory
8.00GB Dual-Channel DDR3 @ 667MHZ (9-9-9-24)
Graphics Card(s)
ASUS GeForce GTX 750 Ti
Hard Drives
1863GB Seagate ST2000DM001-1CH164 ATA Device (SATA)

465GB Western Digital WDC WD5000AAKX-083CA1 ATA Device (SATA)

931GB Seagate Backup+ BK USB Device (USB (SATA))
Antivirus
avast!
Browser
Google Chrome
As this is a USB device, the sound card does not come into play. The headset becomes the default sound playback device (and converts the digital audio to analog inside the headset). You can disregard the PC's sound card or other audio devices.

Can you run without the Plantronics driver? Will it operate with generic Windows plug and play drivers?
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
My Own Build
OS
Windows 10 64 bit
CPU
Intel i7 6700K
Motherboard
ASUS ROG Maximus VIII Hero
Memory
16GB Corsair Dominator
Graphics Card(s)
Intel CPU Graphics
Sound Card
RealTek
Monitor(s) Displays
27" Dell S2719dgf
Screen Resolution
2560X1440
Hard Drives
1 TB Samsung 850 EVO SSD for Win 10 Pro
500GB Samsung 850 EVO SSD for Win 10 Insider
2 TB drive for backup
PSU
EVGA Supernova 750G2
Case
BeQuiet Silent Base 600
Cooling
Deepcool Captain 120EX
Keyboard
Microsoft Wireless 2000
Mouse
Microsoft wireless
Internet Speed
100 MB/sec (Cable)
Antivirus
Microsoft Defender and Malwarebytes
Browser
Edge/Firefox
Other Info
Cakewalk (Sonar) by BandLab and Studio One 4.1 Pro recording studio software. MOTU 896Mk3 Hybrid recording interface, Frontier Tranzport wireless control unit, Behringer X-Touch Control Surface.
Five USB connected optical drives for CD Audio production using Nero BurningROM
As this is a USB device, the sound card does not come into play. The headset becomes the default sound playback device (and converts the digital audio to analog inside the headset). You can disregard the PC's sound card or other audio devices.

Can you run without the Plantronics driver? Will it operate with generic Windows plug and play drivers?
Doubtful. I had tried once and Windows Update kicked in automatically and downloaded the drivers for it again. I could try again if it might make a difference.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Home Premium 64-bit SP1
CPU
AMD FX-6300
Motherboard
ASRock 960GM/U3S3 FX
Memory
8.00GB Dual-Channel DDR3 @ 667MHZ (9-9-9-24)
Graphics Card(s)
ASUS GeForce GTX 750 Ti
Hard Drives
1863GB Seagate ST2000DM001-1CH164 ATA Device (SATA)

465GB Western Digital WDC WD5000AAKX-083CA1 ATA Device (SATA)

931GB Seagate Backup+ BK USB Device (USB (SATA))
Antivirus
avast!
Browser
Google Chrome
Did you uninstall the Plantronics drivers (and reboot) before trying it?
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
My Own Build
OS
Windows 10 64 bit
CPU
Intel i7 6700K
Motherboard
ASUS ROG Maximus VIII Hero
Memory
16GB Corsair Dominator
Graphics Card(s)
Intel CPU Graphics
Sound Card
RealTek
Monitor(s) Displays
27" Dell S2719dgf
Screen Resolution
2560X1440
Hard Drives
1 TB Samsung 850 EVO SSD for Win 10 Pro
500GB Samsung 850 EVO SSD for Win 10 Insider
2 TB drive for backup
PSU
EVGA Supernova 750G2
Case
BeQuiet Silent Base 600
Cooling
Deepcool Captain 120EX
Keyboard
Microsoft Wireless 2000
Mouse
Microsoft wireless
Internet Speed
100 MB/sec (Cable)
Antivirus
Microsoft Defender and Malwarebytes
Browser
Edge/Firefox
Other Info
Cakewalk (Sonar) by BandLab and Studio One 4.1 Pro recording studio software. MOTU 896Mk3 Hybrid recording interface, Frontier Tranzport wireless control unit, Behringer X-Touch Control Surface.
Five USB connected optical drives for CD Audio production using Nero BurningROM
Did you uninstall the Plantronics drivers (and reboot) before trying it?

Just tried letting Windows use the headset as a plug and play device and it looks like my latency problems are even worse now. Watching a youtube video now just causes latency problems on its own.

New LatencyMon Picture: http://puu.sh/aR53U/3702340d60.png
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Home Premium 64-bit SP1
CPU
AMD FX-6300
Motherboard
ASRock 960GM/U3S3 FX
Memory
8.00GB Dual-Channel DDR3 @ 667MHZ (9-9-9-24)
Graphics Card(s)
ASUS GeForce GTX 750 Ti
Hard Drives
1863GB Seagate ST2000DM001-1CH164 ATA Device (SATA)

465GB Western Digital WDC WD5000AAKX-083CA1 ATA Device (SATA)

931GB Seagate Backup+ BK USB Device (USB (SATA))
Antivirus
avast!
Browser
Google Chrome
Have you tried a different USB port? e.g. if you are plugging into the front, try a rear USB port. If you have both USB2.0 and 3.0 try one or the other and see if makes any difference.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
My Own Build
OS
Windows 10 64 bit
CPU
Intel i7 6700K
Motherboard
ASUS ROG Maximus VIII Hero
Memory
16GB Corsair Dominator
Graphics Card(s)
Intel CPU Graphics
Sound Card
RealTek
Monitor(s) Displays
27" Dell S2719dgf
Screen Resolution
2560X1440
Hard Drives
1 TB Samsung 850 EVO SSD for Win 10 Pro
500GB Samsung 850 EVO SSD for Win 10 Insider
2 TB drive for backup
PSU
EVGA Supernova 750G2
Case
BeQuiet Silent Base 600
Cooling
Deepcool Captain 120EX
Keyboard
Microsoft Wireless 2000
Mouse
Microsoft wireless
Internet Speed
100 MB/sec (Cable)
Antivirus
Microsoft Defender and Malwarebytes
Browser
Edge/Firefox
Other Info
Cakewalk (Sonar) by BandLab and Studio One 4.1 Pro recording studio software. MOTU 896Mk3 Hybrid recording interface, Frontier Tranzport wireless control unit, Behringer X-Touch Control Surface.
Five USB connected optical drives for CD Audio production using Nero BurningROM
Have you tried a different USB port? e.g. if you are plugging into the front, try a rear USB port. If you have both USB2.0 and 3.0 try one or the other and see if makes any difference.
Plugged the headset into the front port and it made no difference, sadly. :/

Now nothing is playing through the headset. I can't hear anything, I think I'm going to move it back to its original port.
 
Last edited:

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Home Premium 64-bit SP1
CPU
AMD FX-6300
Motherboard
ASRock 960GM/U3S3 FX
Memory
8.00GB Dual-Channel DDR3 @ 667MHZ (9-9-9-24)
Graphics Card(s)
ASUS GeForce GTX 750 Ti
Hard Drives
1863GB Seagate ST2000DM001-1CH164 ATA Device (SATA)

465GB Western Digital WDC WD5000AAKX-083CA1 ATA Device (SATA)

931GB Seagate Backup+ BK USB Device (USB (SATA))
Antivirus
avast!
Browser
Google Chrome
Fixed the sound not playing by moving it back to its original port. I'm still open to ideas on how I can get rid of this sound latency problem.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Home Premium 64-bit SP1
CPU
AMD FX-6300
Motherboard
ASRock 960GM/U3S3 FX
Memory
8.00GB Dual-Channel DDR3 @ 667MHZ (9-9-9-24)
Graphics Card(s)
ASUS GeForce GTX 750 Ti
Hard Drives
1863GB Seagate ST2000DM001-1CH164 ATA Device (SATA)

465GB Western Digital WDC WD5000AAKX-083CA1 ATA Device (SATA)

931GB Seagate Backup+ BK USB Device (USB (SATA))
Antivirus
avast!
Browser
Google Chrome
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