7E not recognized by DfuSe

I posted this in an existing thread in the Feedback & Questions forum, but then realized that it might belong here...
I got a 7E for Christmas,and there has been no joy whatever.
I downloaded and installed DfuSe from the Walkera website, it opens nicely.
When I turn on the 7E holding the EXT button, Windows 7 informs me that it is installing device driver software.
I click the "details" bubble, and find "Driver software installation STM 32 DFU Installed, STM 32 DFU Ready to Use"
Nothing appears in the DfuSe "Available DFU Devices" dropdown list.
In Device Manager, under USB DEVICES, I have STM 32 DFU.
Under "Safely Remove Hardware and Eject Media" I can remove the STM 32 DFU, at which time it goes away in Device Manager.
Under My Computer STM 32 DFU never shows up as a device with removable storage, although that's perhaps because it's still with the original FW.
The computer sees it as a USB device, but that's as much acknowledgement as there is...nothing in DfuSE, no change in the screen on the 7E (just shows "Program Update...." and a little window half filled with vertical lines.
I have tried it on six USB ports on two computers. On my laptop there are no other USB devices connected. I have gone into device manager and uninstalled everything in USB controllers, although they reinstall on start up but at least I get to reinstall the STM 32 DFU after I've done that.
I'd like to think that I've overlooked something obvious
Thanks,
Steve

Did you try restarting your computer?

I find after installing new drivers sometimes they don't work properly until after a reboot.

The computer has been restarted numerous times.

Please check this...
www.deviationtx.com/forum/3-feedback-que...roblem-devo-10#27107

..and report.

Thanks...USBDview shows

Purple ball (the device is connected), Port_0001.Hub#0004, STM32 DFU, Application specific device type, yes(connected), no (not safe to unplug), no (not disabled), no (not USB hub). DfuSe shows no Available DFU devices.

Really bad. Do you use Windows 8 & an USB3.0 port?

no 64 bit windows 7 and a usb 2.0 port...I first started trying a 3.0 port, but as soon as that didn't work I switched to trying only 2.0 ports as I knew that could be a problem, but it was no help.

Verified it.
W7/64 is not working with DevoDfuSe.....
No entry for service etc....

Will try this with W7/32 and report.Have to switch the HDs.
Stay tuned.

EDIT: W7/32 and W7/64 is working.
You have to install the driver manually.
Guide Windows to the driver directory, otherwise it will tell you: "installation not possible"

Give MS an award.

Working, please look at the update.

THANK YOU, I am much encouraged...but Windows 7 was reporting that the device installed successfully etc...what driver would I find to install manually that Windows is not getting right?

I am using windows over twenty years after several years on other systems and
came across to many of these problems....
Meanwhile such problems should be solved.

The drivers are situated in the installation directory of the Walkera DFU tool...

Let your Devo connected into DFU mode and install (update) the driver.

I see no drivers in the DevoDfuSe V2.0 folder...the only files there are DevoDfuSe_V2.0_ setup and Update Instructions. Windows tells me that the currently installed driver for STM 32 DFU is 6.1.7600.16385...thanks again for all of your efforts!

Really?
On my system the flashdrive driver has this version.
The DFU driver is version 3.0.1.0 (STTub30>date 2009)

Edit:
If you don´t get it sortet, we will continue later.
I have to find some sleep now...(Europe)

My 7E is not showing up as a removable storage device, just as a USB device...
I still have the factory FW, I have not yet been able to even flash Deviation as DfuSe has not let me get beyond that.

aMax wrote:
Edit:
If you don´t get it sortet, we will continue later.
I have to find some sleep now...(Europe)

And please rest well, I really do thank you for all you have done to help!

That´s the missing driver. Read above....
Connect Devo > DFU mode > Windows Hardwaremanger > Update driver > from installation directory of DFUtool...

If you do not find the driver, install the tool once more pointing to a directory of your choice.

....Good morning or good night....?

PROBLEM SOLVED, a third computer was the charm.
On an old XP laptop I tried the beginning to end process, download and install DfuSe, download Deviation etc and it was all EZ PZ, and now I have Deviation installed, mission done !!!
Gotta be some finger pointing...Walkera I'd think, Microsoft maybe but with fail on two Windows7 64 computers and instant love on Atom cpu XP machine sounds software more than OS...
I'm sure that tons of folks have had NO prob with DfuSe or STM32DFU on W7/64 systems, and I (me) am the common denominator regarding my two out of two that failed...wish I knew what I muddled up. Just my report, thanks.

As a follow up to the above, I wonder if the significant difference between the Windows 7 computers which didn't recognize the 7E and the XP that does is that I have used both Windows 7 computers to upgrade a Taranis to OpenTX, and thus they already had STM Bootloader in the list of devices which USBDeview shows...maybe Windows did not load a proper driver to make the 7E visible to DfuSe?

and thanks again aMax

Very strange.Hidden directory?
Did you do that as user or admin on your W7 systems?