Question about Targus ACH103US1 USB Hub--ACH103US1

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Devices connected to usb hub are not recognized as being pluged in

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Posted on Jan 02, 2017

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SOURCE: My USB Port stopped recognizing my Smart Disk

on my computer right click and select properties, then go to the device manager. Under the USB device locate this device and delete and unplug the cable from the computer. Let the computer reboot, and plug the cable into another port if ava. and see what happens.

Posted on Oct 10, 2009

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1 Answer

File transfer cable doe not recognize computer when connected to usb hub


Some USB hubs are "powered", some are not. If you have several different things plugged into the hub, you most likely need a powered hub, one that plugs into the wall for power. USB devices need power supplied over the USB cable, and one computer socket can't always supply enough power for several devices.

Oct 14, 2015 | Audio Players & Recorders

Tip

USB DEVICE DOES NOT recognize


Issue:: USB DEVICE DOES NOT recognize

___________________________________


Manual Troubleshooting for this issue::

___________________________________



-Open device manager

-Right Click on USB Root Hub

-Choose Properties >>Selet Power Management

-Remove the Tick Mark Before "Allow the computer to turn off the power if device is not in use..."

-Do the same for all USB ROOT HUB


-Then Uninstall all USB ROOT HUB

-Restart your computer , USB device will be working.

on Jun 21, 2010 | Computers & Internet

1 Answer

The computer can not recognize drive (unknown USB device).


Method 1 - Unplug Computer So how did I finally fix the problem? Well, if you are lucky, it's a super simple solution! Try this method first and if it works, you'll have saved a lot of time.
Simply unplug your computer from the power supply. Yes that is it! Note that this does not mean just turning off your computer using the power button because most modern computers don't actually turn off completely and the motherboard will still get power. This is useful sometimes if you want to remotely wake up a computer, etc.
The motherboard is where all of hardware of the computer connects to, including the USB ports. Sometimes the motherboard needs to be "rebooted" because things can go wrong, i.e. all or some USB ports suddenly stop working. The small microprocessor on the motherboard will reload the drivers and your USB ports should hopefully be recognizing devices again.
So first turn off your computer using the Shut Down option in Windows or pressing the power button and then UNPLUG the PC from the wall outlet. Let it sit for several minutes and then plug it back in.
Method 2 - Update Device Driver If Windows is not able to recognize the device, you may also see in Device Manager that the device shows up as an "Unknown Device". You can get to Device Manager by clicking on Start and typing in devmgmt.msc or by going to Control Panel and clicking on Device Manager.
In that case, you should right-click on Unknown Device, click on Properties, then the Driver tab and then click Update Driver.

If this doesn't work, you can also try to download the driver for your device from the manufacturer's website. If the USB device is just a flash drive, then it's probably not a driver issue. However, if you are installing a USB printer, drawing pad, etc, then it might be worth downloading the driver for that specific device.

Method 3 - Restart & Disconnect USB Devices The next thing you can try is to disconnect all USB devices and then restart the machine. once you have restarted, try to connect the USB device that was causing the problem.
If that particular USB port doesn't recognize it, try another one. If the device is recognized by a different USB port, there could be a hardware problem with one of the USB ports. If no USB port recognizes the device, then keep reading because it's probably something else.

Method 4 - USB Root Hub Another thing you can try is to open Device Manager, expand USB Serial Bus Controllers, right-click on USB Root Hub and then click on Properties.
Click on the Power Management tab and uncheck the Allow the computer to turn off this device to save power box. If you have more than one USB Root Hub listed, you need to repeat these steps for each one.
Click OK and then restart your computer. Try to reconnect the USB device and see if it is recognized. If not, go back to the power management tab for each one and check the box again. If it does recognize the device, then leave them unchecked.

Method 5 - Connect Directly to PC A friend of mine ran into this issue and the cause ended up being his USB hub. He only had three USB ports on his computer, so he bought a hub where he could connect an additional 8 USB devices.
I guess this proved too much for his computer and it just started sporadically not recognizing various devices. After removing the hub and connecting the device directly to the computer, it worked just fine.
We haven't really been able to find any other solution to this problem other than reducing the number of items connected to the hub. Actually, one other solution worked, but it meant having to buy a new USB hub with more power.
If you are having this problem with Windows 8 or Windows 8.1, then you might be in luck. Microsoft has released a fix for Windows 8 not detecting USB devices properly. Make sure to install this hotfix if running Windows 8.
Method 6 - USB Troubleshooter If nothing has worked so far, you can download the Windows USB Troubleshooter Fixit tool. It's a free tool that works with Windows XP, Vista and 7.
You can either have the troubleshooter fix the problems for you or select the fixes yourself. I would just let it fix them for you since the choices can sometimes be confusing and technical for the novice user.
Method 7 - Update Generic USB Hub If you are getting the Unknown Device error in Device Manager, you can also try one other thing. Open Device Manager and then expand Universal Serial Bus Controllers.
You should see at least one item called Generic USB Hub. On some computers, you might see two, three or more of these. Right-click on the first one and choose Update Driver Software.
When the update dialog pops up, choose Browse my computer for driver software.
When the update dialog pops up, choose Browse my computer for driver software.

Jul 10, 2015 | Transcend StoreJet 25 750GB USB Hard Drive

1 Answer

Printer not being recognized by computer


Sir/Madam

1. Is the printer turned on?
Make sure the printer is turned on.
Make sure the power cord is securely plugged into the electrical outlet.
Test the power by plugging in the power cord of another electrical appliance to an electrical outlet and turn it on. If the power to the other electrical appliance comes on, the printer may be considered to be faulty.
If this product is recognized:
Close this page to return to the installation window.
If this product is not recognized:
Proceed to the next step.
2. Are your computer and the printer correctly connected?
Make sure the USB cable is securely connected to the printer and to your computer and check that the USB cable is not damaged nor badly crimped.
The printer will not be recognized during the driver installation if connected to a printer switch or the printer buffer. If this is the case, try to directly connect the printer to your computer using the USB cable.
If you are connecting the printer to your computer via a USB hub, connect the printer to the first-tier hub from your computer. If the printer driver is still not recognized on your computer, try to directly connect the printer to your computer without the USB hub.
If you are connecting the printer to your computer via a USB hub, make sure the USB hub device is recognized by your computer.
If this product is recognized:
Close this page to return to the installation window.
If this product is not recognized:
Proceed to the next step.
3. Does your computer provide USB or IEEE 1394 support?

If Still Your Problem Is not solved Then Click On Below URL
http://files.support.epson.com/htmldocs/r1800_/r1800_rf/dset_1.htm

Or

Still You have problem Then please Follow Us On HP Printer Support

Jan 08, 2014 | HP P4515n LaserJet Printer

1 Answer

Driver download


If your computer does not recognize the USB device, first try method 1 to work around this issue. Method 1: Initiate recognition of the USB device by using Device Manager To initiate recognition of the USB device by using Device Manager, follow these steps: Click Start, click Run, type Devmgmt.msc, and then click OK. The Device Manager window opens. Click to select your computer as the location for the scan. On the Action menu, click Scan for hardware changes. Windows XP recognizes the new device. Close the Device Manager window. If this method resolves the issue, you are finished. If this method does not resolve the issue, go to method 2. Method 2: Disable power management of the USB hub Note If you perform the following procedure, you may also reduce the battery life on a portable computer. Use this method if method 1 does not work. To disable power management of the USB hub, follow these steps: Click Start, click Run, type Devmgmt.msc, and then click OK. The Device Manager window opens. Expand Universal Serial Bus controllers. Right-click a USB Root Hub in the list, and then click Properties. The USB Root Hub Properties dialog box is displayed. Click the Power Management tab. Click to clear the Allow the computer to turn off this device to save power check box, and then click OK. Repeat steps 3 through 6 for each USB Root Hub in the list. On the Action menu, click Scan for hardware changes. Windows XP recognizes the new device. Close the Device Manager window. If this method does not resolve the issue, go to method 3. Method 3: Restart the computer To initiate recognition of the USB device, first unplug the USB device and restart the computer. Then, wait five to ten seconds before you plug the USB device into the computer or hub. Windows XP recognizes the new device. If this method does not resolve the issue, you might want to review the articles in the "Similar Problems and Solutions" section, or contact Support. For information about how to contact Support, visit the following Microsoft Web site: http://support.microsoft.com/contactus Back to the top ' Give Feedback

Nov 11, 2013 | Targus AMW05US Mouse

1 Answer

Trendnet TU3H4 USB3.0 Hub does not work in windows 8. Device manager says it is (not functional)


HelloI have the same problem!I have a message to the support
https://www.trendnet.com/asp/helpdesk/

Kind regards

Feb 03, 2013 | Trendnet Tu3H4 4Port Usb 30 Hub External...

2 Answers

When i was connect my phone via usb a message is coming device not recognized.I'm using ca-53,my phone modeal is n72 and computer opreating system is windows xp pls help me please


Is it pluged direct to the main USB plugs or through another product if it's a pc plug it in the back main USB ports and it should work and also check your settings on your mobile phone

Apr 17, 2012 | Nokia Cell Phones

1 Answer

USB Port won't recognize plug n Play devices


do you have the upgrade for your O/S to recognize usb 2 as sometimes when first plugged in a usb device my computer has come up with your usb is 1.1 you need to upgrade to sp2 or whatever to have usb2

Aug 11, 2008 | EliteGroup K7S5A Pro Motherboard

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