Hello,
I bought a TP-link T9UH 802.11AC USB dongle and encountered a problem when trying to use it on my (old) Asus N56VZ laptop, Win10 OS.
It behaves perfect when I connect it on the 2.4GHz band - it's as fast as possible, the connection is strong and stable, etc. No issues here.
As soon as I try to connect to the 5GHz band, it "resets"(the adapter lights off, you hear the "unplugged usb device" sound, then the "plugged-in" sound), then it connects successfully, and shows that conn speed is 866/866Mbps, again stable and strong signal. But on speedtest the network speed barely reaches 10-20Mbps and it jumps up and down. Local network transfers(samba) are even worse at ~200-500KB/s.
The following errors appear in the event viewer around the time of the "reset":
Exception code: 0xc0000374
Fault offset: 0x00000000000ff199
Faulting process id: 0x8ec
Faulting application path: C:\WINDOWS\system32\WLANExt.exe
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
Tried the adapter on another laptop and on the desktop PC and it works fine there. Any help would be welcome.
I bought a TP-link T9UH 802.11AC USB dongle and encountered a problem when trying to use it on my (old) Asus N56VZ laptop, Win10 OS.
It behaves perfect when I connect it on the 2.4GHz band - it's as fast as possible, the connection is strong and stable, etc. No issues here.
As soon as I try to connect to the 5GHz band, it "resets"(the adapter lights off, you hear the "unplugged usb device" sound, then the "plugged-in" sound), then it connects successfully, and shows that conn speed is 866/866Mbps, again stable and strong signal. But on speedtest the network speed barely reaches 10-20Mbps and it jumps up and down. Local network transfers(samba) are even worse at ~200-500KB/s.
The following errors appear in the event viewer around the time of the "reset":
Module Path: C:\WINDOWS\system32\Rtlihvs.dllWLAN Extensibility Module has successfully started.
Module Path: C:\WINDOWS\system32\Rtlihvs.dllWLAN Extensibility Module has stopped.
Module Path: C:\WINDOWS\system32\Rtlihvs.dllWLAN Extensibility Module has successfully started.
Module Path: C:\WINDOWS\system32\Rtlihvs.dllWLAN Extensibility Module has stopped unexpectedly.
The driver detected an internal driver error on \Device\VBoxNetLwf.
Faulting module name: ntdll.dll, version: 10.0.19041.1202, time stamp: 0x4f115facFaulting application name: WLANExt.exe, version: 10.0.19041.1, time stamp: 0x45c477dd
Exception code: 0xc0000374
Fault offset: 0x00000000000ff199
Faulting process id: 0x8ec
Faulting application path: C:\WINDOWS\system32\WLANExt.exe
Faulting module path: C:\WINDOWS\SYSTEM32\ntdll.dll
The RunSwUSB service is marked as an interactive service. However, the system is configured to not allow interactive services. This service may not function properly.
Tried the adapter on another laptop and on the desktop PC and it works fine there. Any help would be welcome.