windows 7 - Flash drive connects in USB 1.1/2.0 mode randomly
2014-07
Abdullah Leghari
USB flash drive sometimes connects fine as a USB 2.0 device and I can copy/paste content faster. Though it randomly connects as USB 1.1 and then it gets so slow that I feel I'm downloading stuff from internet while copying. And this behavior is random.
Behavior is same on multiple devices/machines I've so probably it is not specific to any specific configuration.
It really annoys when I've to repeatedly un-plug/plug-in the device or when I forget noticing it and continue working in 1.1 connection mode.
P.S. I use the same port all the time.
How can we make sure USB flash drive connects as 2.0 instead of USB 1.1?
Why is this behavior random even though I use the same devices/windows installation /USB port all the time?
Rytis
I have a Sandisk Cruzer Micro 8GB flash drive. It used to work just fine, but now when I plug it in, a drive letter for it only appears for a split second and then disappears. Sometimes the light on the drive also goes out, sometimes it stays in idle mode (slowly fading in/out).
Disk Management does not show any device plugged in; I see USB Mass Storage Device in the USB section in Device Manager, but I feel that it isn't my flash drive. I tried multiple PCs, and the same happens on all of them.
I have a bad feeling that this is a hardware problem and the flash drive is going to have to hit the dustbin :( But maybe there still is something to try?
raven
Sounds like a flaky flash drive. If it has demonstrated itself to be problematic, and replacing it would set you back all of ~$15.00, why try to salvage it? I say it should "hit the dustbin".
Ivo Flipse
Troubleshooting an unrecognized USB device:
Q: When I plug in my USB drive I hear the audible "ding" sound but nothing happens after that. I don't see that the drive is being recognized at all. If I leave the thumb drive plugged in and reboot, Vista will then recognize it. How can I get the system to recognize the thumb drive without rebooting the system?
A: There are two methods that I have seen work for this issue:
Method #1:
- Go to Start
- In the Search field, type in: device manager
- Open device manager and navigate to your USB controller
- Right click the drive and select Properties
- Be sure that the option for "Write Caching" is enabled
Method #2:
- Navigate to Device Manager using the above instructions
- Right click and Delete all of your USB controllers
- Reboot Vista
- Vista will recognize that you have deleted the USB controllers and add the new hardware back to your system. This may fix anything that had been corrupt.
Axxmasterr
I have had a problem like this before. Plugging in the flash drive would work for a moment and then the drive would disappear. The cause in my case was a drive letter conflict. it seemed that the SD card reader was attempting to use the same drive letter for the removable SD card slot. I had to go into computer manager. Right click on my computer -> select manage then go to disk administrator. Here you can give the removable storage a different drive letter and this should resolve the conflict.
James Rodgers
If it happens on all computers it's not a drive letter problem.
Chek your warranty. I had similar symptoms with a Sandisk Cruzer. Mine was the Titanium model, and still under the warranty (4 years I think), so Sandisk sent me a replacement.
If you have anything important that you need to get off it, you might (like me) just get it working long enough to get those files, by repeatedly unplugging and replugging it.
Revolter
Click Start > Run and type diskmgmt.msc and click OK,
check if your drive appear there, if yes, right-click and FORMAT.
Kugel
For anyone looking i found this:
http://www.nsharp.org/15/how-to-fix-a-dead-flash-drive-or-usb-key/