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Usb storage devices such as external drives, ipod, cameras, and storage have suddenly become unrecognised when plugging them in to direct USB port or USB hub. The broadband modem and printer still seem to work OK using the same ports but nothing relating to storage. I have an WinXP SP2 OS on my Fujitsu Siemens PC.

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Delete the usb root hubs by going to control panel-Device manager-click on usb controlers-delete usb root hubs and restart system..

Posted on Jun 27, 2008

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How to boot from a external dvd rom drive on a dell optiplex 3020


Anonymous,
You can plug your device into the USB PORT. Start the computer and press the F12 key. You will then see options that you can boot the system to. USB storage is one of the options.
The computer attempts to boot from the sequence of devices specified in this list:
Diskette drive
Internal HDD
USB Storage Device
CD/DVD/CD-RW Drive.
Onboard NIC
Thank You,
Dell-Jesse L
Dell Social Media and Communities

Jul 14, 2014 | Dell PC Desktops

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I am trying to troubleshoot a video issue, I replaced the video card, I receded memory, etc, no video. How do I tell the BIOS to look at another video card instead of the on-board?


once the card is install u have to disable the onboard video by going into systems than device manager click on video and disable the intergrated video

May 03, 2010 | Gateway GT5058 Desktop PC

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Usb not recognizing device t2882


Hi,
What I suspect here is that,
Provided the operating system that you are using is Up to Date (e.g WinXP SP2 to Win Vista),

the USB port that you are using might be a USB 1.0 port, which has a lower voltage not enough to power on your Storage drive.

In this case, there are two things you can do,

1. Change the USB port you are using for the storage drive to a USB 2.0 one (Just keep Checking all the ports one by one in case you dont know which one it is).

2. If your Storage drive has external power facility, just plug it in an external power first, before connecting it to the system.

If there are no USB 2.0 Ports on your system at all,

then just go to any electronic store and tell them you want to buy a USB 2.0 Expansion card.

and if it is a laptop, A USB 2.0 PCMCIA card.

Install it on your system, and connect your external drive through it.

Hope this helps you out.

Goodluck

Oct 30, 2009 | E-Machines eMachines Desktop PC

3 Answers

XP computer - USB slots do not work for all storage devices I plug in. Ok for example, with usb key, but will not work with external disk which I use for backup. It did work before. The usb slots at the...


There is a problem with the usb outlet not with OS. try to check if the connection from the motherboard is connected properly and if does, then there is a really problem of the usb outlet.

Oct 23, 2009 | PC Desktops

1 Answer

USB Troubles


How To Refresh and reinstall USB Ports Of Your Computer Hello there, the other day i tried refreshing and reinstalling the USB ports on my PC, as some of my connecting devices are not recognized. I present the detailed procedure on refreshing the USB ports.
Let’s go!!

Here are the steps to refresh/reinstall/uninstalling the USB ports on the computer.

The USB port needs to be refreshed to make sure that no other device has captured the USB port of the computer. The Mouse, video camera, your external USB hard disk; what ever it may be.

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.


The above steps are for XP operating system. When coming to the matter of Vista, please note the changes below:
===========================
1) Right-click Computer icon from the desktop , and then click Properties to open the System Properties window, and then select the Device Manager tab.

2) Click the Plus (+) sign next to Universal Serial Bus Controllers/Root hub.

3) Click the USB Composite Device entry to highlight it, and then click Remove. If a screen appears to confirm the deletion, confirm the deletion.

4) Disconnect the USB cable to the all-in-one, wait a couple seconds, and then reconnect the cable. This should restart Windows device detection (Plug and Play).

5) A New Hardware found screen may appear, click next through all of the screens that appear for the Wizard to install the USB Composite Device. Click Finish once the wizard completes.

Sep 28, 2009 | Dell Dimension E310 PC Desktop

1 Answer

Suddenly my pc re-boots when I plug my ipod into the front usb.


uninstall service pack 3 and ignore it when it asks you to re install it. go to add remove programs and uninstall it. obviously it worked befor. that is the solution. you dont need sp3 anyway.

Jul 18, 2009 | Gateway PC Desktops

1 Answer

My 160GB Crossfire is not recognised when connected to any of the USB ports. It used to be, but then I've had some other PC issues recently that meant a forced closure of the PC and I'm concerned that...


When starting the external drive there is not much more than just plugging it in to a USB port and turning it on. The computer should recognize it ( showing something like the window shown here http://attachments.techguy.org/attachments/66120d1129787805/new-device-found2.jpg ) and it will show up in the My Computer area and a green arrow looking icon ( http://home.krb.nsw.edu.au/start/images/USB2.jpg ) When disconnecting an external drive the correct procedure is to left click the arrow in the system tray and select Safely Remove Mass Storage Device (X:) (whatever letter you device shows here)
You may want to test if another computer recognizes the device being plugged in to see if it is still functioning. You may want to also try plugging the device into a different USB port on your computer.

Dec 09, 2008 | PC Desktops

1 Answer

My PC will not recognise any of my usb connected equipment. External drives x 2, pda hotsynch (Palm, camera download, skype camera etc.This has happened suddenly.


sounds like a blown USB port device..you on xp? go to start/settings/control panel/device manager, and see if USB(at bottom) has any marks on it

Apr 21, 2008 | PC Desktops

1 Answer

Usb drives


USB hubs operate at 5V DC power, as do a lot of things on your motherboard do. They are able to transmit DC power to a device which makes it possible for items to be plugged straight into a USB port and not have an external power supply.It sounds as though the main connection between the USB points and the power supply has become broken, as a lot of USB points are connected in series to save space. Also, one point on the USB line could have possibly become grounded. A fewer simple measurements with an OHM reader may help in this situation.

Mar 25, 2008 | PC Desktops

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