Huawei E3131s Installation guide
Huawei E3131s Data Card FAQ
文档密级：内部公开
2012-8-31
华为机密，未经许可不得扩散
第1页, 共11 页
Huawei E3131s Data Card FAQ
Q：Which OS can E3131s Data Card support?
A: Windows XP SP2/SP3, Windows Vista SP1/SP2, Windows 7, Mac OS X 10.5 and
10.6 with latest upgrades
Q: When E3131s Data Card is connected to computer, how can
I confirm that it has been identified?
A: The device-manager can confirm that:
1. Open control panel, select capability and maintenance.
2. Select system
3. Open the hardware, select device-manager
4. Unfold the Modem and ports. Confirm that if there are 3G Modem, 3G
Application Interface and 3G PC UI Interface. These devices show whether
the E3131s Data Card has been identified.
Q: The computer cannot find any new hardware when E3131s
Data Card is connected to PC, then what should I do?
A:
1. Switch to another USB port.
2. If you’ve switched to another USB port, but the computer still cannot find any
new hardware, please contact local operator or agent to change your E3131s Data
Card.
Q: When E3131s Data Card is connected to PC, the system
identifies the virtual CD-ROM and installs the dashboard, but
the computer cannot find any new hardware, then what
should I do?
A:
1. First check that the device-manager has identified USB Mass Storage but no
Modem device.
Huawei E3131s Data Card FAQ
文档密级：内部公开
2012-8-31
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2. Use the devsetup.exe which you can find in the Drivers folder to map the modem a
port.
Q: When E3131s Data Card is connected to the computer, the
system identifies the virtual CD-ROM and installs the
dashboard, and the computer finds new hardware, but if you
choose auto search drivers, the computer cannot install the
drivers. What should I do?
Huawei E3131s Data Card FAQ
文档密级：内部公开
2012-8-31
华为机密，未经许可不得扩散
第3页, 共11 页
A:
1. Re-plug E3131s Data Card, when the computer finds new hardware, select the
right path in manual to install. The folder is Drivers folder included in
dashboard folder.
2. And also you can use the driverUninstall.exe to uninstall the drivers and then
use driversetup.exe to install the drivers.
Q: When I connect the E3735 Data Card with computer, why
the dashboard cannot start automatic?
A:
During the Windows XP and Windows 2000, Click the Start Run, and enter the
gpedit.msc to open the Group policy. Please check whether the Turn off Autoplay was
disabled. You can set the Turn off Autoplay enabled or not configured in the
properties.
Huawei E3131s Data Card FAQ
文档密级：内部公开
2012-8-31
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第4页, 共11 页
Huawei E3131s Data Card FAQ
文档密级：内部公开
2012-8-31
华为机密，未经许可不得扩散
第5页, 共11 页
Q: When I uninstall the dashboard in Windows Vista and then
re-plug E3131s Data Card, the system find new hardware, but
I cannot install the drivers. What should I do?
A:
First you should go to the path system dir to find the INFCACHE.1 file. If the
INFCACHE.1 file is less than 6K, that means the INFCACHE.1 file of Vista has
been destroyed when you uninstalled E3131s Data Card dashboard. To solve this
problem, Microsoft have released patch KB937187. You can also get help from the
Local Service of Microsoft.
Huawei E3131s Data Card FAQ
文档密级：内部公开
2012-8-31
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第6页, 共11 页
Q: When E3131s Data Card is plugged into computer, the
system would be down or run slowly or cannot open the virtual
E3131s Data Card CD-ROM. What should I do?
A:
For these questions, maybe some other softwares or services are conflicting with
E3131s Data Card.
To get the cause:
1. Run the msconfig in the star-menu to open System configuration Utility.
2. Choose Services in System configuration Utility, and then select Hide All
Microsoft Services and Disable All. At last choose apply and reboot system.
Huawei E3131s Data Card FAQ
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2012-8-31
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3. Re-plug E3131s Data Card into computer, if the system runs ok, that means some
software or service conflict with E3131s Data Card. You can start the service one by
one to find which is conflicting with it, and then you can solve the problem by
uninstalling that software.
4. If you disable all services, but the problem still exists, please contact local
operator or agent for helps.
Q: When E3131s Data Card is connected to computer, the
system installs the dashboard, but there are some port
conflicts. What should I do?
A:
Check ports in device-manager, that the data-card was assigned a same port as another
device will cause data-card unable to connect to internet.
Huawei E3131s Data Card FAQ
文档密级：内部公开
2012-8-31
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For this problem, you can solve it by switching the port which the device is using as
following:
1. Open device-manager, right-click the conflict device, then choose properties.
2. Open the ports-setting in the property dialog-box, select advanced.
Huawei E3131s Data Card FAQ
文档密级：内部公开
2012-8-31
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3. Then click pull-down list to select another unused port and click OK.
Q: How could I inquire the version of the dashboard and the
firmware?
A:
1. Open the dashboard, select HelpAbout Mobile Partner you can get the version
of dashboard
Huawei E3131s Data Card FAQ
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2012-8-31
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2. Select Tools Diagnostics, you can get the version of firmware and dashboard.
Q: E3131s Data Card installs OK and customer SIM card has
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