W7 First, please disconnect all USB devices and then perform the following steps: Click "Start" button, type "devmgmt.msc" (without quotation marks) in the "Search" bar and press "Enter". Click "Continue" if necessary. In Device Manager, double click to expand "Universal Serial Bus controllers", right click on the Host Controller, click "Uninstall" and click "OK". 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. for xp or earlier click start right click on computer select properties device manager scroll down universal serial bus controllers you could see a yellow question / exclamation mark? ! or a red X you will need to update/reinstall drivers right click to reinstall drivers if you can see your usb drive but its not working ports (com&lpt) right click update driver if this fails to fix the problem check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems to a computer and its parts if you need more help with this or if i have missed the problem post a reply
hope it helps
My pc opening flash but my all file went ?
USB formatted or broken?
The most common reason is that your data on it lost.
Why not try recovery tool?
For example, 4Card Recovery, a very powerful recovery tool.
How to Recover Photos Videos off SD Card after Formatting Unformat SD...
Hello, the problem is that your data on the USB flash drive hhas lost so your PC can not recognize it. You can use recovery tool to restore your data. Such as 4Card Recovery, which is very strong recovery software. Pay attention to it, do not cover your old data by new things.
SOURCE: TDK usb flash drive 8GB can not hold more than 5GB
HP USB Disk/Drive Format Utility is a Windows based software
used to format drives to FAT, FAT32 and NTFS partition types.
1. Download this tool:
http://dl.dropbox.com/u/4040651/HPUSBFW_2.2.3_MASTER.exe
2. Format Flash Drive
(Before removing USB flash drive click on the Safely Remove
Hardware icon and then click on USB flash drive you want to remove)
SOURCE: Only 5GB on TDK TRANS-IT USB 2.0 Flash Drive 8GB
Not the solution you might like but there have been reports of bogus/ counterfeit smaller capacity sticks/drives relabeled and programed to report higher capacities. I've been told that running a formatting/partitioning application on them reflect the true capacity but have not had to try this solution myself..
Submitted for information only but please rate so I accumulate a lot of unanswered solutions, Thanks
click start control panel administrative tools computer management device manager scroll down universal serial bus controllers you could see a yellow question / exclamation mark? ! or a red X
you will need to update/reinstall drivers
right click to reinstall drivers
if you can see your usb drive but its not working
ports (com&lpt) right click update driver if this fails to fix the problem
check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems for a computer and its parts
if you need more help with this post a reply
hope this helps you
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