Question about HP Pavilion ZV5000, ZV6000, ZX5000 Series 12 Cell Li-Ion Battery - DP390A (DP390A1) CD-ROM Drive

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Usb ports do not recognize devices when they are connected

My usb ports don't read anything when I input a flash drive or or usb plug?

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  • noe calvillo Feb 09, 2010

    Regardless what type of plug I install in port device it has the same effect!

  • Cliff May 11, 2010

    1. Have you tired to plug another USB device other than a flash drive, into the USB ports? eg: USB mouse, USB keyboard? 2. Did the USB ports just stop working?

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  • 617 Answers

What operating system you using? look in device manager all the way down see usb is there a yelow mark there?

Posted on Feb 07, 2010

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My Windows 7 cannot recognize my Sata/usb connector


USB hard drive is a portable external storage device that works just like a conventional hard drive. The device is simply plugged into a USB port on your computer as you would connect a flash drive. Unlike a flash drive, however, a USB hard drive can store a much larger amount of data. If your computer will not recognize your USB hard drive, you can try troubleshooting steps to resolve the problem.

Plug one end of the USB cable into the port on your hard drive and plug the other end into the USB port of your computer. Ensure that both ends of the cable are connected securely. Open "My Computer" (Windows XP) or "Computer" (Windows Vista/7). The USB device should be listed as "removable disk" once it is plugged into the computer. If it is not listed among the available drives on your computer, proceed to the next step. Ensure that the data cable is working properly. Try another USB cable if you have one available. Disconnect all other USB devices from the computer as they may interfere with the operating system detecting the external hard drive. Reboot the computer if the USB hard drive is still not recognized. Plug the USB cable into another USB port and check to see if the device is detected. If you are using a USB hub, remove the device and plug the external hard drive directly into a USB port. If the computer still fails to recognize the device, the external hard drive itself may be experiencing a hardware problem. Check the status of the hard drive in the "Device Manager" window. Under Windows XP, right click "My Computer" and select "Device Manager." For Windows Vista and Windows 7, click the "Windows" button in the lower left corner of the screen, then type "Computer Management" in the search bar and press "Enter." Select "Device Manager" in the "Computer Management" window. In the Device Manager window, click the "+" sign that appears beside "Disk Drives." If the external drive is not listed, click "Other Devices" in the Device Manager window and see if an "Unknown Device" appears. The external hard drive may have been detected but the device is not working properly. If it is still under warranty, take the device to the computer store where it was purchased to have it repaired or replaced. Hope this helps.

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Jan 04, 2013 | Apricorn SATA Wire 3.0 - storage...

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How to fix ?USB device not recognized? error in windows


Are you getting a “USB device not recognized” error whenever you plug in a USB mouse, keyboard, or other USB device? I love USB and have 5 ports on my computer so that I can connect my mouse, keyboard, camera, phone, and printer to it all at once!
However, last weekend, my computer stopped recognizing my USB devices! The strange thing about it was that the USB ports were not bad because all of my devices were still getting power to them. I could still charge my cell phone without a problem!

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So I started with the normal fixing methods, including uninstalling the drivers for my devices and reinstalling them. That didn’t work! Next I tried System Restore thinking that maybe I had installed something and it caused a conflict with the USB system drivers. That didn’t work!
I read online that in order to fix this problem I should go to Device Manager and uninstall all of the devices under USB Controllers. Restarted the computer, reinstalled the USB drivers, but the problem STILL did not go away!
You may also see in Device Manager that the device shows up as an “Unknown Device”. 42b721d.png
So how did I finally fix the problem? Well, apparently it’s a super simple solution! No need to edit the registry, uninstall drivers, or anything of that sort.
Simply UNPLUG YOUR COMPUTER FROM THE POWER SUPPLY. Yes that’s it! Note that this does not mean just turning off your computer because modern computers don’t really turn off when you press the power button as the motherboard still gets power.
First to explain, the motherboard is where all of hardware of the computer is connected to, including the USB ports. Sometimes the motherboard needs to be “rebooted” also because something can go wrong, i.e. all your USB ports suddenly stop working. The small microprocessor on the motherboard will reload the drivers and your USB ports should be back to recognizing all devices!
So first turn off your computer using Shut Down or pressing the power button and then UNPLUG it from the wall outlet. Let it sit for about a minute and then plug it back in.
Hope this helps someone fix that pesky “USB device not recognized” Windows error!



on Jul 08, 2010 | Computers & Internet

1 Answer

Verbatim store n go usb flash drive 8 gb device not recognized


My Verbatim Sto N Go 8GB USB Flash Drive does not work in any port, in any computer. When I plug it in, the "Device is not recognized" error comes up. When I click on it, and the Unknown Device Properties comes up, the device status reads: "Currently, this hardware device is not connected to the computer. (Code 45)

To fix this problem, reconnect this hardware device to the computer."



The driver details read:
Provider: Advanced Micro Devices
File Version: 1.0.11.82 built by: WinDDK
Digital Signer: Microsoft Windows Hardware Compatibility


This is the 2nd drive of this same brand that quit working within 6 months. I have MONTHS of work on files in this drive, and would hate to have to redo all that work! I was real careful after the first one went bad to use the eject button when removing it from my computer. But I am thinking the last time I clicked the eject button, it froze, so I just pulled it out without the message coming up. Hopefully there is someway to get the computer to recognize this drive again???

Sep 26, 2012 | Verbatim ® Store `n` Go USB Flash Drive,...

1 Answer

It doesn't recognize USB flash drive anymore


The flash drive itself may be faulty or damaged, and sometimes this is not apparent from a physical inspection. Try attaching the drive to a USB port that you know is operational, and try plugging another USB device into that port to verify that the port is working.

Jun 19, 2012 | Kenwood KDC-MP445U CD/MP3/WMA/AAC Receiver...

1 Answer

HP Pavilion zv6000: USB ports are inop. USB port on rear of computer works fine. USB port on left/front will power my flash drive, but the light stays on constantly. The flash drive is does NOT show up in...


After reading the description, I think you need to try updating BIOS and latest device drivers for USB. Because USB are getting power on that means there would not be any fault to from the motherboard.

So please try updating latest BIOS for your notebook.
If you can provide me the product no for your notebook and the operating system which you are using currently then I can find the one for you.

Otherwise you can also do the same.

Type in the product no. on www.hp.com. Then go to software and driver download page, select the proper OS and search in BIOS ROM pack available for your notebook.

I hope this will help.

Jun 11, 2010 | HP Pavillion ZV6000 Notebook

2 Answers

Usb ports not recognized


Did this suddenly start to occur? Were they working before? If so, it is very simple - shut down computer, remove the battery and unplug any power source, wait a couple of minutes and reassemble and power up. Wala! I read all kinds of complicated instructions, started with the simple, and problem solved.

Feb 22, 2010 | Computers & Internet

2 Answers

Flash drive problem


I devised these simple steps that tend to remedy quite a few issues with most USB portable / external hard drives and devices (though not always)

A few things to check but assumes USB and Windows for other interfaces / operating systems (mac/ Linux) similar steps may be adapted to suit.

1. Ensure it is connected directly to the computer to a USB 2.0 port not a USB 1.0 port as this can have effects on performance and reliability

2. Use only the cables that came with it NOT one that fits that may have been lying around or is longer. Not all USB cables are equal even though they should be)

3. Do not connect through an external USB HUB unless that hub is USB 2.0 AND has its own power supply.

4. Use ONLY the power supply that came with it if it has an external power supply Don’t use any other unless you know it has both the same voltage and current rating e.g. 12V 500mA anything rated below that would not work properly.

5. Always use the same port for connecting your devices. Some devices do not like being switched about. If switched they may want to install software / drivers again. This can be especially true if you move a HUB to another port

If you checked and fixed anything there and still have issues then check your hardware from CONTROL PANEL / SYSTEM / HARDWARE.

Any exclamation marks by hardware need fixing before you investigate any further

USB flash drives can fail for no apparent reason.
Sandisk Cruzers are especially bad for this.

USB hard drives should be treated with extreme care.
This is a real hard drive ! and knocks and bumps can quite literally kill them.

It is possible to remove drives from the enclosures in most cases and connect directly inside a PC to fully check it.

Note that if you hear a drive clicking or pinging this could be the worst thing you would hear.
Known as "The Click Of Death"

Hope these steps help.

Sep 09, 2009 | Western Digital My Book Essential Edition...

1 Answer

When i plug in the jumpdrive on any computer it says USB device not recognized, please help


Well, it’s a super simple solution! No need to edit the registry, uninstall drivers, or anything of that sort.
Simply UNPLUG YOUR COMPUTER FROM THE POWER SUPPLY
Yes that’s it! Note that this does not mean just turning off your computer because modern computers don’t really turn off when you press the power button as the motherboard still gets power.


First to explain, the motherboard is where all of hardware of the computer is connected to, including the USB ports. Sometimes the motherboard needs to be “rebooted” also because something can go wrong, i.e. all your USB ports suddenly stop working. The small microprocessor on the motherboard will reload the drivers and your USB ports should be back to recognizing all devices!
So first turn off your computer using Shut Down or pressing the power button and then UNPLUG it from the wall outlet. Let it sit for about a minute and then plug it back in.
Hope this helps someone fix that pesky “USB device not recognized” Windows error!

P.S. if it is a laptop, power up the laptop with just the batteries, not plugged in to fix this issue.

Give this a try and come back to tell us if it worked or not.

May 18, 2009 | Lexar FireFly 2GB USB 2.0 JumpDrive

2 Answers

Not recognized in windows xp


check it in other ports, another computer,
test with "H2testW"

Jan 28, 2009 | Kingston (DTIU3/2GB) 2 GB USB Hard Drive

1 Answer

USB port does not recognize 1Mb flash drive


try connecting the card directly to your computer usb port. unplug other usb devices. if that fails, try the card in a different computer.

May 17, 2008 | ASUS P5P800-VM Motherboard

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