Question about Generic 2580N4 4-Port NEC Chip USB 2.0 PCI Host Adapter NEC Chipset Root Hub Windows 2000 XP

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Acer aspire usb root hub driver

Can find acer aspire 5100 under ' universal serial bus " it say unknown device

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  • Generic Master
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Rather doing a driver hunt which can take hours http://download.cnet.com/slimdrivers-free/3000-18513_4-75279940.html Windows XP/Vista/7/8
it might take some time being a freeware driver solution note: it will find all of your outdated drivers
This will automatically search for and find the correct driver you will have to update every driver individually once you update you might be asked whether you want to restart or make a system restore point.

Click no to both of these then continue updating each driver free then restart once all of the drivers have been updated.

Hope this helps.

Posted on Dec 29, 2012

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Posted on Jan 02, 2017

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Why doesn't my webcam on my acer aod150 work


Have you uninstalled the driver in device manager and restart the computer. It will automatically replace the driver.

Jul 13, 2017 | Acer Aspire One AOD150-1920 Netbook

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Bus: 06, Device: 01, Function: 00 ERROR Resource Conflict - PCI Network Controller in Slot 02 Bus: 06, Device: 02, Function: 00 ERROR Resource Conflict - PCI in Slot 03 Bus: 06, Device: 04, Function:...


I would firstly reboot and if that doesn't clear the error run www.iobit.com asc.setup utility to remove crosslinked files and sort out a crosslinked registry. Failing that remove the driver from the Control Panel and let the OS set up a fresh driver. Make sure the driver is the correct one!

May 02, 2011 | Acer Aspire 5100 Notebook

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One usb port of the two on the left side of the acer aspire one 532h just stopped working. Is there a driver or a diagnostic that I can perform?


Follow the steps given below to refresh USB ports.

1. Right-click My Computer icon on the desktop, and then select Properties.
2. Click the Hardware tab.
3. Click the Device Manager button.
4. Click the plus (+) sign to the left of Universal Serial Bus controllers.
5. Right-click the device listed under Universal Serial Bus controller and select Uninstall.
6. Click OK to confirm the removal of the device.

Please note, repeat Steps 5 and 6 until all the devices under Universal Serial Bus Controller are removed.

7. Shut down the computer.

CAUTION: Ensure that the Shut Down option is selected, instead of the Restart option.

8. Wait for 5 seconds and then restart the computer. When the computer restarts, a "Windows has detected new or added hardware" message window will open.

The above steps will refresh the USB ports.

Now connect the USB devices like mouse, video camera, your external usb hard disk...usb hubs...whatever you like and the drivers should install automatically.

Tip: It is always recommended to connect the main usb devices at the rear end usb port, as they require more power to initiate.


If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

Thanks, Joe




I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309

Feb 19, 2011 | Acer Computers & Internet

1 Answer

I am using windows7 i cant connect my external drive


First, please disconnect all USB devices and then perform the following steps:

Using the mouse;

1. Click "Start" button, type “devmgmt.msc” (without quotes) in the “Search” bar and press "Enter". Click “Continue” if necessary.

2. In Device Manager, double click to expand "Universal Serial Bus controllers", right click on the Host Controller, click "Uninstall" and click "OK".

3. Repeat the step 2 to uninstall all items under "Universal Serial Bus controllers".

Then, restart your computer and Windows 7 will reinstall all USB controllers automatically.

Using the keyboard;
Again, disconnecting all USB devices

1. Press "Ctrl + Esc" to open the “Start” menu.

2. Type “devmgmt.msc” in the Search bar and press "Enter". Click “Continue” if necessary.

3. In Device Manger, press Tab and use "Up" and "Down" to move the highlight to "Universal Serial Bus Controllers".

4. Press "Right" and expand it.

5. Press "Down" to move to the first item and press "Delete" to remove it.

6. Repeat the step 5 and uninstall all items under "Universal Serial Bus Controllers".

Then, restart your computer and Windows 7 will reinstall all controllers automatically.

Try this first.

Jun 30, 2010 | SimpleTech SimpleDrive 160 GB External USB...

3 Answers

Aspire 5100 resource conflict - pci slot 3


Yuor RAM memory conflicts with each other check RAM memory fix same frequency memory into laptop.
Thanks for using fixya.

Jul 20, 2009 | Acer Aspire 5100 Notebook

4 Answers

Acer Aspire one "The Acer Crystal Eye webcam has not found!"


Go to Device Manager and open up Universal Serial Bus controllers and you should see USB Unknown Device. Right click on the USB Unknown Device and click on Uninstall. Shut down the Aspire One PC. Unplug the power adapter to the PC. Remove the battery at the back of the PC. Wait 1 minute.

Put back the battery. Plug the power adapter. Turn ON the Acer Aspire One pc. It should automatically detect the Acer Webcam and it will be listed in the Imaging Devices at the Device Manager. :) yay

Jun 13, 2009 | Acer Aspire One Netbook 8.9" Notebook

1 Answer

USB ports wont recognize anything I plug in


Are you using XP? If so:
Here is what you can do to refresh the USB ports:
1. Right click MY COMPUTER
2. Select PROPERTIES
3. Select HARDWARE
4. Select DEVICE MANAGER
5. Select UNIVERSAL SERIAL BUS CONTROLLERS
6. Right click on each USB CONTROLLER and select Uninstall
7. Uninstall all entries
8. Reboot your computer
9. As your computer re-boots it will reinstall all USB connections it detects
THEN, when all other USB items have been configured and connected by the system, you then should try connecting your USB device.


If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe



I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309

Jun 02, 2009 | Acer Aspire 5100 Notebook

5 Answers

NEED DRIVERS FOR ACER ASPIRE 5100


Hi there
You can get all the drivers for that model from acer support site>>>>

http://support.acer-euro.com/drivers/notebook/as_5100.html

Good luck and thanks for using Fixya!

Jan 15, 2009 | Acer Aspire 5100 Notebook

1 Answer

Computer not recognizing any usb devices


Well, appears that your configuration can handle 4 GB of memory. I checked the Acer website for upgrades for your model, and nothing appears to jump out which could solve your problem. A few appear to be possibly helpful, but some are for XP, not Vista. Upgrading "launch manager" might be a good thing.

However, Belarc tells me that on my Acer 5630 i have listed under "Bus adapters" the following:
Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27C8
Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27C9
Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27CA
Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27CB
Intel(R) 82801G (ICH7 Family) USB2 Enhanced Host Controller - 27CC
And, under "other devices", i have a USB Root Hub (5x). Obviously, the two match. I go to device manager to check them out, finding them under 'univesal bus controllers", to see whether they are all working properly, and and they are. In addition, opening "system devices" reveals something called a "plug and play software device enumerator", and that checks out to be working fine as well. Check your equivalent out to see if you find a problem to fix. Hopefully you will. Let me know how things go.

Apr 21, 2008 | Acer Aspire 5610-4648 Notebook

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