Huawei USB Modem driver installation failed on Win 7 x64

arc2006 · Jun 1, 2010

Hi All,
I am facing some hard time installing the driver for my Huawei USB data card. It works fine on 32bit Windows. The most amazing thing is it even worked on the 64bit Windows I have on this laptop but now stopped working.

I reinstalled Windows 2 days back and tried to install the data card immediately before installing any drivers / windows update. I was amazed to see that working (see attached screenshot "Successful Datacard installation_with new Win7 installation.png").

But after i installed all the drivers and ran windows update, the device stopped working. I tried to reinstall the driver, it just fails to install.

I am using Huawei EC 1262 USB mobile datacard. I have used the updated drivers available from both manufacturer's and service provider website.
Huawei Technical Forum: The Driver for Huawei data card ...
or
Reliance Netconnect

But still issue persists. I am sure that some driver conflict is going on, but I am unable to trace.

Any help from anyone will be appreciated. Thanks in advance.

pebbly · Jun 1, 2010

hi arc2006, welcome to the forums , have you tried a system restore prior to when you updated windows? http://www.sevenforums.com/tutorials/700-system-restore.html

ryo · Jun 1, 2010

i think that effect of the windows update, did you have restore point??

arc2006 · Jun 1, 2010

I did try system restore, but I cant see the relevant restore point. I have installed many programs during the last two days, have restore point only from yesterday

I made a big mistake of not taking a backup at that point.

Now whenever I try to reinstall the driver, windows do not shut down. Have to manually power cycle the system.

pebbly · Jun 1, 2010

did you tick the "show more restore points" box ?

arc2006 · Jun 1, 2010

Yes, I did... I am well versed with Windows

I am trying to find the root cause of this conflict.

pebbly · Jun 1, 2010

check the usb mass storage device has not been overwritten by ms drivers or mobo drivers

arc2006 · Jun 1, 2010

I have checked, but dont see anything like this. I have attached the driver files screenshot.. let me know if you find anything unusual.

pebbly · Jun 1, 2010

uninstall and reinstall the drivers under compatibility mode

kucing13 · Jun 1, 2010

try uninstalling the driver just like what Pebbly mentioned, and then try change automated driver installation settings.
Go to START>Right click Computer and select Properties>Advanced System Settings on the upper left hand side>Hardware tab>Windows Update Driver Settings.Choose the "Ask me each time...'"setting, click OK and apply.Reboot

arc2006 · Jun 4, 2010

I have found the conflict. It seems that if we install any backup software (Norton Ghost / Acronis True Image), the driver conflicts starts. But I am yet to find the root cause of the conflict. I am suspecting COM Surrogate (dllhost.exe) as both the USB modem driver and backup programs use the same process dlls.

COM Surrogate (dllhost.exe) is an application that is often used by Windows Explorer to isolate itself from buggy codecs (if explorer would load the codecs in its own process, it would crash as it did in XP, so explorer spawns dllhost to actually process the thumbnails, etc. outside of its process space).

kucing13 · Jun 4, 2010

so does that mean you can install your driver and does the usb modem works out?

mathan · Jul 2, 2010

Hello friends, I've a same problem at my windows 7 x64 its work fine some time cannot connect many time, usb driuver install failed and usb not detected

arc2006 · Jul 4, 2010

Hi Guys, I have found a workaround.

Install the driver on Windows 7 after a fresh installation of Windows (prior to installing any system software or other devices drivers).

You may still find that Windows 7 do not find the driver when you plugin the usb device. The Plug-n-Play will not work. So the trick is to reboot the machine. At the time of booting connect the device and check if Windows detect the device.

Good luck.

ryo · Jul 4, 2010

that's sound simple trick, but from the simple trick that's make work..
glad hear you solved it.

mathan · Jul 5, 2010

Hi, WoW what is good solution (Stupid its very painfully work )

There any idea to install it. I already use that trick but its not really way to install driver

crashnbuen · Mar 20, 2012

pebbly said:
uninstall and reinstall the drivers under compatibility mode

Is this going to work? Having issues installing Huawei 3G Modem on Win 7 x64.

Huawei USB Modem driver installation failed on Win 7 x64

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