Tethering Samsung Cell phone with USB 3.0 hub and connecting to USB 3.0 port on laptop - USB device not recognized.

I have two ports on my laptop running Windows 8.1 - USB 2.0 port and USB 3.0 port.

Both ports recognize the USB 3.0 hub when attached to the laptop.

However, when I tether my cell phone to the USB 3.0 hub and connect to the USB 3.0 port on my laptop. My laptop shows USB device not recognized.  cellphone --> USB 3.0 hub --> USB 3.0 port (device not recognized)

However, when I tether my cell phone to the USB 3.0 hub and connect to the USB 2.0 port on my laptop. Tethering works. cellphone --> USB 3.0 hub --> USB 2.0 port (device is recognized, and works fine)

All other devices attached to the USB 3.0 hub like mouse, external harddisk, pendrives attached to USB 3.0 or USB 2.0 ports work fine as desired.

Issue is just with cell phone tethered to USB 3 port through a USB 3 hub.
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gram77Asked:
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nickg5Commented:
Windows 8.1 uses USB 3.0 drivers from Intel if you have the Intel USB 3.0 ports. Not all laptops come with Intel 3.0 ports.
Are yours?

Try plugging the phone in the USB 2.0 port. Then switch it from media device to camera device. Then try plugging it into the USB 3.0 port and see the results.

You also need to try a non Samsung USB cable to eliminate the cable you have. The problem may not be Windows 8.1 but rather the Samsung cable.
gheistCommented:
There is not much help you can get by not mentioning exact models of your USB gadgets.
At least if USB hub is powered or not...
Davis McCarnOwnerCommented:
Using USB hubs can be very problematical.  If it is an unpowered hub, there is a 2.5 watt (500ma on USB 2.0, 900ma on USB 3) limit on the sum of all the devices plugged into it.  Things get much better if it is a powered hub (has a separate AC adapter plugged into the wall) as it is then able to supply the current on each port.
There are also gazillions of non-compliant hubs which cause problems with various devices (hmmmm.........)
Does the phone work if you plug it directly into the USB 3 port?
What is its model?
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Thomas Zucker-ScharffSolution GuideCommented:
I think this has more to do with the phone.  I had a Samsung Galaxy S5 with USB 3 cable.  I tried many times attaching it to the USB 3.0 port on my computer with no success.  Generally this not only didn't work, but you have to go into airplane mode in order to get USB3 to activate on your phone.
nickg5Commented:
The issue as mentioned above may be that Windows 8 uses Intel drivers. Do you have those?
Try a new non Samsung USB cable.
And try to change from media device to "camera" device and see what happens.
gram77Author Commented:
@nickg5:
Try plugging the phone in the USB 2.0 port. Then switch it from media device to camera device. Then try plugging it into the USB 3.0 port and see the results.
How do i do this? I didn't notice any setting in the control panel where i can change media device to camera from phone.

You also need to try a non Samsung USB cable to eliminate the cable you have
I have replaced the samsung cable with a non-samsung cable. However the problem persists.

The issue as mentioned above may be that Windows 8 uses Intel drivers. Do you have those?
Looks like my laptop is using a samsung driver. I have provided the driver details on the screenshot.Control Panel --> Device Manager. Windows 8.1 recognizes the device as Samsung Mobile USB Composite device. When attaching samsung mobile to laptop's USB 2 port through a USB 3 hub.Control Panel --> Devices and Printers

@gheist:
At least if USB hub is powered or not...
Yes, the USB hub is powered.

@Davis McCarn:
Does the phone work if you plug it directly into the USB 3 port?
Yes, if i plug the cellphone directly to the USB 30 port of my laptop, the tethering works. I am able share cellphone network connection with my laptop.
Thomas Zucker-ScharffSolution GuideCommented:
the switch from various USB states can be accessed in the pull down from top menu item that denotes USB.  Tap it to open the USB menu and change to the correct mode.
gram77Author Commented:
@Thomas Zucker-Scharff
Looks like your are mentioning Android setting. As you tether your android cellphone to the laptop a message appears on the pulldown menu which allows you to set the connection as  a camera.

Tethering my cellphone 3g connection to my laptop using the usb hub works fine. Looks like it works only if i connect the usb hub to draw power from an external source.

However, the tethering dosen't work on all the charging ports of the USB. It only works on the 3rd port of the USB hub. Also a mouse works only on the 4th usb of the hub. On other ports the devices are not recognized.
Davis McCarnOwnerCommented:
Something ain't right with that hub!  All of its ports should behave the same.
gheistCommented:
It looks more and more like USB power issue. Connect single USB device when laptop is connected to charger.
Wait 10s before connecting it to different USB port.
Does it work now?
gram77Author Commented:
@Davis McCarn:
Correct, all ports of the hub should work the same.

@gheist:
If i wait for that long tethering on the other ports etc., it throws a device not found error.
This is weird
gheistCommented:
Supply sufficient power over USB. What you do now is slowly damage phone battery.
Davis McCarnOwnerCommented:
Is it a powered USB hub (meaning it has a separate AC adapter plugged into the wall)?
gram77Author Commented:
@Davis McCarn/gheist:
Yes it is a powered USB hub with AC adaptor plugged into socket in the wall.
Davis McCarnOwnerCommented:
Then, plain and simple, something is wrong with that hub and you need to buy a new one.
gheistCommented:
I am sorry but I dont think it is of use to continue this theoretical chat as asker has not told phone model, or USB hub brand.
gram77Author Commented:
@gheist:
I apologise for the delay.
Phone model: SM-7102, Samsung Galaxy Grand2
USB Hub: Kensington UH7000C.
USB 3.0 7 Port Hub + Charging
Davis McCarnOwnerCommented:
That Kensington can supply up to 4.0 amps to the sum of everything plugged into it; but, beyond that, each of its ports should function the same.
Printers and external hard disk drives with a power supply need almost no current.  Keyboards and mice need more; but still a relatively small amount of current.  Portable hard drives, tablets, speakers, and phones need quite a bit more.  The specs say you should not have more than two, high powered devices plugged in at the same time.
If you have two, high current devices plugged in and the phone is the third, that could be the root of your problem.
If you don't, something is wrong with the hub.
gram77Author Commented:
Tethering works through the USB hub with i restart my laptop with my cellphone wired to the USB hub.
Tethering works on all ports on restart, even though the port is not connected to an external power.
Davis McCarnOwnerCommented:
What else is normally plugged into the hub? (makes and models please)
gram77Author Commented:
Only the cellphone tethered to usb hub when i restarted the laptop and it worked.

Once the tethering was detected, i connected mouse, and laptop cooler pad to the hub and all of them worked.
Davis McCarnOwnerCommented:
"However, when I tether my cell phone to the USB 3.0 hub and connect to the USB 3.0 port on my laptop. My laptop shows USB device not recognized.  cellphone --> USB 3.0 hub --> USB 3.0 port (device not recognized)"
"All other devices attached to the USB 3.0 hub like mouse, external harddisk, pendrives attached to USB 3.0 or USB 2.0 ports work fine as desired."

So, when you asked the question, you had all your stuff plugged into the hub and would then plug that into the PC?
With it being a powered hub, I can see the phone and hub playing games and screwing things up before you plugged it into the PC.
Does it work if you plug the phone in AFTER connecting the hub to the PC?
gram77Author Commented:
@Davis McCarn:
Does it work if you plug the phone in AFTER connecting the hub to the PC?
No.

Looks like if i hotplug cellphone to USB hub my laptop doesen't autodetect the tethered connection. Thus i have to tether the cellphone to the usb hub, and attach the hub to the laptop and restart the laptop. Then the tethering is detected by windows 8 on my laptop - on all ports.

Also no external power is required when my cellphone, mouse, laptop cool pad is attached all at once. All devices work fine when detected.
Davis McCarnOwnerCommented:
The Samsung Galaxy Grand 2 SM-G7102 is a USB 2 device so there is no gain in using a USB 3 hub ( I'll bet the mouse isn't either ) and there are significant differences between the protocols used for device recognition between USB 2 and 3.  Additionally, if you are not using the original Samsung USB cable, there are gazillions of substandard cables out there that, themselves, cause problems.
You said it all worked on the USB 2 port a while ago.  Since only the portable drive might (possibly) use the USB 3 speeds, I'd suggest using the USB 2 port and plugging the drive into the USB 3 port when you need it.
Frankly; short of getting thousands of dollars of electronic equipment and investing a lot of time to figure out why the Samsung/Kensington/PC negotiation is flakey would be the only way to nail what the problem is and, even then, we wouldn't be able to fix it.

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