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My mass storage device & usb plugs wont work

Dear i`v nstalled a new fresh vista after formatting every thing seems to work fine ,but my usb ports wont work ,i checked the problem its somthing like unknown device ;hardware id ACPI1\TOS1900
and cant find the answer so plz help

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  • 48 Answers

You need to find out what motherboard you have or if your computer came with a disk. You need to load the driver of the motherboard so you can access your usb ports.

Posted on Dec 12, 2008

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Posted on Jan 02, 2017

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Help! XP stopped recognizing my external hard drive. It has worked fine for two years and then suddenly: My Laptop no longer "dings" when I plug in the external hard drive. There are no unknown...


No question is silly dear, problems are there and we are in this site to help.

Yes, you mentioned that the said device works fine with your desktop, then it is probably not the problem with your device. You have also said that your tried formatting the os. Good.

Hope your pc, laptop and the memory device are disinfected with a good, licensed and updated antivirus.

Check, if Universal Serial Bus Controllers (corresponding to the nos. of total usb port present in the machine) are present and enabled both in the device manager and the bios as well and set to Hi-Speed if it is Full-Speed.

Well, have you tried formatting the memory stick/device? Format it and see if it works.

Next, please change the usb connectivity cable using/attached to the device and see.

Another thing while connecting an external storage device like ext-hdd. The external usb storage devices that gets connected with a usb cable, in some rare cases needs to be connected as a usb-master or usb-slave [you can see many external usb drives comes with a splitted or dual usb port connector cable, this is either for connecting two usb device or to connect as master when used as a single drive], therefore use such cable to connect and use alternated ports, and see which works.

Now, if all above fails, it then might be the problem with your external drive, i guess.

Best to seek help of your system admin/vendor.

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Do you have the pic software for the camera, and if so, is it not compatible with Vista?

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Failure to recognize CD ROM or USB ports


  1. Run Registry Editor (regedit).
  2. Navigate to the following registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\UsbStor
  3. In the right pane, double click on the Start value name.
  4. Change the value data to 4 to disable the removable USB mass storage device drive access
  5. 5.
  6. To revert and re-enable the drive access for removable USB mass storage device driver, change back the value data for Start to its original default of 3.
The change will take effect immediately to block any USB mass storage device such as USB flash drive, USB key and portable harddisk from been used in the system, while still allowing hardware components to work properly via USB connection. The hack works in most Windows operating system such as Windows Vista, XP, Windows Server 2008, 2003 and 2000.
For user who dare not to modify the registry manually, simply download the following registration entries file to enable or disable the USB drive. Extract the downloaded content in .ZIP format, and then double click on the .REG file to open and apply or merge the registry values to system.
you can get technical help from a technician online





you can get in touch with them through the website

www.thebestpcdoctor.com


Toll Free: 877 407 9229

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Insert the plug let it finish not reading it. Restart your computer and it should work just fine.

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What you have is a Usb Keyboard, The most of usb boards don't starting to work after you got to the login screen.. Get a Old keyboard thats not usb and it will work


Remember to rate

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Can't see Seagate external hard drive on Vista devices with remov


dougv52

If the drive is not showing up in My Computer but is showing in Device Manager then you most likely need to assign a drive let you the drive. The links below will help you do this.

How to change your drive letter in Windows Vista and Windows 7

How to change your drive letter in Windows XP


Let me know if you have any more problems or questions

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http://www.fixya.com/users/issken

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Samsung sgh j700 phone shows up as mass storage device


check the pc connectivity settings on ur phone.

make sure that ur using the 2.0 port of ur computer
dont use front usb ports cpu. use rear ports. they are faster.
if still problem persists. try below
conect ur phone to usb. now without disturbing the connections switch off and then on the phone. now there may be chances.

samsung sofware could be corrupted due to virus on ur pc. remove all the viruses then freshly install suit

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USB port problems with hp printer


There are few things to remember using USB.
  • If your System is in hybernation mode, don't remove any attached USB device, because it will damage your USB driver. This is one of the known problem from microsoft.
  • If you have to remove any USB device use 'Safely Remove Hardware'.

To remove currepted USB drivers its not enough to remove your printer drivers.
  1. You should un-install the 'Universal Serial Bus Controllers' from Device Manager.
  2. Then re-boot to clean registry.
  3. Install the 'Universal Serial Bus Controllers' using XP Setup CD.
  4. Then check the Mass storage, PDA etc, it should recognized by XP.
  5. Then install printer driver (don't attach printer to system untill setup finish or setup says to connect).

I think it will fix.
Please let me know your feed-back.

Thanks
Iqbal

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Won't Upload Songs


player has problems with windows media player 11. works with wmp 10. player also has problems with vista. firmware was designed for xp. no firmware updates available. you can try dragging and dropping through windows explorer, treating it as a usb mass storage device. it will play folders and songs this way. to get vista to recognize it, format the player through the player's menu ( set-system-format ) not through the computer. take out the battery for 15 minutes. reboot your computer. put battery back in. plug into usb port. hopefully vista recognizes it as usb device

Nov 02, 2007 | Panasonic SV-MP020 MP3 Player

1 Answer

I/O DEVICE ERROR


I/0 error, IS AN INPUT/OUTPUT ERROR. this device is formatted as FAT32 as it is usable on all OS. however if you formatt it to the faster, safer NTFS format, it will only work on 2000, XP etc. so firstly is the device being "seen" by windows? as in does the plug and play connect device sound play? or the green arrow and card icon appera in the bottom left corner? if it doesnt your computer may not have a mass storage device installed, or a driver for it, go into your device managment and click rescan plug and play and if nothing comes up click, view hidden devices, and select the correct driver, by either manually selecting the mass storage or Hdd driver or letting windows find one on the net or locally. if this still doesnt fix things, be aware that external HDD us ealot of power, and some USB ports dont give enough power for the HDD to wind up enough speed to operate. try using a different port, 2.0 not 1.0 as i have found power draw issues with 1.0 USB and/or get a shorter, foot long or less cable. good luck.

Sep 24, 2007 | Computers & Internet

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