With Unicom broadband, laptops can't access the Internet wirelessly.

Click Continue to install the hardware driver. (Figure omitted)

Click "Finish";

4. What is the default setting for wireless Internet access?

① The default parameters of ①CDMA network settings are as follows:

User: Card

Password: Card

Number: #777

(2) (2) GPRS dial-up Internet default settings:

Access point name (APN): CMNET (China Mobile).

Telephone number: *99#

5. If the user's wireless network card can't be used on his own computer, but it works normally on other computers.

There are several reasons:

① The wireless network card is not plugged in properly;

② There is something wrong with the driver of the wireless network card;

③ There is something wrong with the interface driver of the user's computer motherboard network card or hardware failure.

The solution is:

① Plug the wireless network card back into the notebook computer and observe whether the indicator light on the side of the network card is normal;

② Delete the driver of the wireless network card and reinstall the driver. Please refer to the first item on this page for installation steps.

③ Reinstall the Windows operating system and restore the hardware drivers. Or overhaul PCMCIA.

6. You can talk and send text messages, but the connection icon is gray and you can't connect to the Internet.

The driver of the wireless network card is not installed correctly. Please delete the previous driver, reinstall the client software according to the installation and use guide of wireless network card, plug in the wireless network card again, and dial up the Internet.

7. How to unplug the wireless network card correctly?

If you need to unplug the wireless network card from the computer, please use the function of safely deleting hardware in Windows system to stop the wireless network card before unplugging it. You can refer to the following steps:

① Disconnect the Internet connection.

(2) Double-click the "Safely Delete Hardware" icon in the lower right corner of the computer screen to open the "Safely Delete Hardware Device" interface.

③ Select the hardware related to stopping the wireless network card, such as "NEC PCI to USB open host controller".

(4) When the system prompts "You can safely unplug the device from the computer", unplug the wireless network card.

8. After installing the hardware COM port, the modem driver cannot be installed. Tip: The system file cannot be found.

Cause: Related system files that may need to be called are missing.

Solution: Find the lost system file (which is difficult to find) and restore the system.

Recommendation: Restore the system; Or restore the previous backup through "Backup"; Or use the repair and installation function of XP installation CD (Windows XP installation CD of the original system must be used) to directly repair the system; Or use the fault recovery platform for recovery; Or reinstall the system.

9. When inserting some wireless network cards with USB interface, USB device error will be displayed.

Cause: No hardware driver is installed, and some computer USB devices are short of power supply.

Solution: Install the hardware driver, change the USB port or try plugging it into another computer.

(Note: Please wait a few seconds after inserting the card)

(B) the use of the problem

1. What's the reason why dial-up and phone call can't be done at the same time?

At present, wireless network cards do not support the concurrent function of data services and voice services for the time being.

2. The computer prompts "Need to check the wireless network card". What is the reason? What should I do?

Because the wireless network connection signal is interrupted, restart the application program or pull the card and plug in the restart network card dialing program.

3. What is the reason for the prompt "port error"?

This error message appears because:

(1) The wireless network card port is abnormally closed;

(2) The wireless network card is not plugged in properly;

(3) The port of the network card is disabled. Generally, you only need to re-insert the card and wait about 10 second (because it takes about 10 second for the computer to identify the network card), then you can restart the network card dialing program.

4. The program is running and the port cannot be opened.

Reason: 1. The wireless network card device is not recognized correctly. 2. The port driver was wrongly identified.

Solution:

(1) Right-click My Computer/Properties/Hardware/Device Manager. "Modem" checks whether the wireless network card is installed correctly; "Ports (COM and LPT)" checks whether the port settings are the same as those shown in the network connection;

(2) A. The wireless network card device is not correctly identified. It may conflict with other modems. First disable or uninstall the previously suspected modem (preferably uninstall), and then uninstall and reinstall the wireless network card device to be installed. Then uninstall and reinstall the wireless network card device to be installed.

B. port error. Uninstall the wireless network card and then reinstall it.

(2) A. If the above methods cannot be solved, you can restore the system to a clean restore point.

B. Disable the suspected "modem" device and install the wireless network card. Or uninstall the network card and dialer, and then reinstall.

5. Run the dialing program, prompting that the wireless network card cannot be found.

Cause: There is a hardware conflict or driver conflict with other modems.

Solution: Disable the conflicting modem and then reinstall it.

4. it can be used normally, and suddenly it is not connected to the internet. The system prompts that the password is wrong. How to solve it?

An error occurred in the system software. You need to reset the dialing option of CDMA wireless network card, where the dialing access number is "# 777", the user name and password are "Card", and then reconnect.

5. I have connected to the Internet and browsed the webpage normally, but suddenly I can't use the Internet without prompting to disconnect. What is the reason?

(1) The network connection may be dormant or disconnected. Disconnect and reactivate.

(2) If you can't disconnect, you can unplug the network card, reinsert it, and start the dialing program.

6. You can dial normally, but you can't browse the web. What is the reason?

Check whether a proxy (proxy server) is set. If so, cancel the setting of LAN proxy.

7. When starting to run the client software, "check whether the data card has unread messages; Error reading SMS, operation cancelled "

There may be information with incorrect format in UIM card. Please use your mobile phone (the machine card is separated from the network card) or go to the business hall to delete the incorrect message.

8. The driver has been installed correctly, and the indicator light is on after the wireless network card is plugged in, but it is impossible to talk and surf the Internet.

Maybe the UIM card of the wireless network card is damaged. Try replacing it.

9. The user installs the driver, plugs in the card, and cannot find the UIM card when running the program.

Reason: UIM card is inserted incorrectly, UIM card is damaged, and network card is faulty.

Solution:

(1) Take a look at the user's instructions to see if the card is misplaced and put back correctly;

(2) change a new UIM card;

[Page]

(3) Restart the program and try to test the network card again.

10. Run the application, prompting that the modem cannot be found.

Cause: The modem is not installed correctly.

Solution:

(1) Right-click My Computer/Properties/Hardware/Device Manager/Modem to uninstall the newly installed modem;

(2) Reinsert the card, install and run the program.

Note: If necessary, you can delete the corresponding COM port in Device Manager.

1 1. The connection failed because the user inserted the card first, then installed the driver and dialed.

Cause: The installation sequence is incorrect.

Solution:

(1) First pull out the card and uninstall the hardware driver (right-click the "My Computer" icon and select "Manage"-"Device Manager": uninstall the corresponding modem and COM port (if any));

(2) Reload the driver, insert the card, and run the program to surf the Internet.

12. When using modem dialer to connect, prompt: Your phone has been answered. After dialing #777, hang up, etc. , and can't dial normally.

Cause: The network protocol or file related to modem dialing is corrupted.

Solution: It is recommended to reinstall or restore the system. ...

13. In "Network Connection", when connecting with a wireless network card, the system prompts "No dial tone".

Reason: The antenna was not pulled out and the modem did not receive the reply signal.

Solution: normal operation, pull out the antenna and try again; Please change the network card and try again.

14. The modem is installed correctly, but the diagnosis shows that it does not respond correctly.

Reason: An incorrect model and brand were specified when installing in Windows, or the installation was outdated (. Inf) file is used to install the modem. Or port communication problems.

Solution: Check the modem's documentation for the correct model and brand (or compatible model and brand), and then reinstall the modem.

15. According to the modem diagnosis, the modem is working normally, but it is still unable to connect.

Cause: The modem connection is incorrect or the signal is faulty.

Solution: Check the network connection.

16. A connection report port in the network connection is in use or not configured for remote access.

Reason:

(1) When starting Windows, the plug-and-play modem is not connected or turned on, so it cannot be detected correctly.

(2) The port is used by another program;

(3) Connections may not be updated to reflect changes in communication devices, such as new ports or modems.

Solution: Use one of the following solutions:

(1) If the modem is disconnected or turned off, please reconnect or turn on the modem, and then restart Windows or use Device Manager to scan for new hardware.

(2) If the communication port is being used by another connection, please hang up the connection or modify the connection to use another port;

(3) If you change the hardware (such as a new serial port or modem), you must reconfigure the connection.

17. In Windows 98, when using the dialing program of Webxun Vtion V 18 10, the prompt "Error: the remote computer has disconnected the port" is given.

Reason: Netcom customer service explained that the USB interface of the network card and the USB interface of the computer were not fully contacted. (This explanation may be incorrect)

Solution: Connect the network card and computer with USB cable.

(3) Network problems

1. The remote computer is not responding.

This phenomenon is mainly caused by the following reasons:

(1)UIM card data service is not opened or suspended;

(2) The client software network setting is wrong; [Page]

(3) The dialing program conflicts with other programs;

(4) The client software is too old;

(5) The operator's signal is unstable.

Handling suggestions:

(1) Call the customer service hotline of China Unicom (100 10) to inquire whether to open UIM card data service;

(2) Set the network parameters according to the Guide for Installation and Use of Wireless Network Card Application Software;

(3) uninstall other dialing programs or reinstall the operating system;

(4) Upgrade to the latest version of client software;

(5) Try another place.

You can't visit MSN. You can access other web pages and chat software.

MSN's server is still located in the United States. Because of the long distance, it is often impossible to connect.

3. The wireless data network is connected, but the webpage cannot be browsed.

If Internet assistants and other firewalls are installed, try turning them off. This situation is mostly caused by the conflict between two firewalls.

4. The signal is weak and unstable, and it is often unable to connect to the network.

There are several reasons:

(1) The antenna is not pulled out;

(2) the local signal is unstable;

(3) The version of client software or single board software is old;

(4) Hardware problem of wireless network card.

Solution:

(1) Pull the antenna out completely;

(2) Try another place;

(3) upgrading the client software or single board software to the latest version;

(4) Try to replace the wireless network card.

5. The manager did not find the wireless network card device.

There are the following situations:

(1) Is the wireless network card plugged into the PCMCIA interface of the computer?

Please plug the wireless network card into the PCMCIA interface of the computer again. When plugged in, the indicator light will light up, wait for 10 second, and click the "Reconnect" button with the left mouse button.

(2) Is the wireless network card driver correctly installed in the computer?

When the wireless network card is plugged into the PCMCIA interface of the computer for the first time, the operating system will prompt you to install the driver of the device. Please install the wireless network card driver correctly according to the system installation wizard. If the operating system does not prompt you to install the driver of the device after the wireless network card is plugged into the PCMCIA interface of the computer, it means that the driver of the wireless network card has been installed. Please refer to the installation instructions of the wireless network card driver.

(3) Is the wireless network card online?

Before the operating system accesses the Internet, the administrator needs to completely transfer the control of the wireless network card to the operating system, so when accessing the Internet, the administrator will not be able to connect the wireless network card. Please disconnect the Internet correctly, wait 10 seconds, and click the "Reconnect" button with the left mouse button.

(4) How to judge whether the driver of wireless network card is installed?

After inserting the wireless network card into the PCMCIA slot of the computer, right-click "My Computer/Properties/Hardware/Device Manager/Modem", the information of the wireless network card and modem hardware devices will appear, and this item will disappear after unplugging the wireless network card. This means that you have installed the driver for the wireless network card. Otherwise, you must reinstall the driver.

(5) How to completely uninstall the manager program of the wireless network card?

There may be some problems in the use of the manager program, and it needs to be reinstalled. After uninstalling the manager program of the wireless network card with the program that comes with Windows, enter the system disk C:/program file directory and delete the file completely.

6. When using the wireless network card, sometimes there will be a prompt error. The remote computer is not responding. You need more help. Please click details or look for this error number in Help and Support Center. [Page]

Code 678 indicates no answer. It is caused by the local network situation. The customer service staff should explain to the user that the local network problem is temporary, or the local network is being upgraded, so it is sometimes inconvenient to use.

7. Run the program, dial and prompt that the connection failed.

Reason: the network signal is not good, the antenna is not plugged in properly, the UIM card has no money, and the network card is broken.

Solution:

(1) change to an open place to ensure the signal;

(2) Take out the antenna and plug it in again;

(3) Replace a UIM card with Internet access;

(4) Check the network card to determine whether there is a fault.

8. often disconnected when surfing the internet?

Reason:

(1) Generally speaking, due to the poor quality of transmission lines, data communication is vulnerable to clutter interference. At this time, if the modem's fault tolerance can't bear, it is easy to disconnect, so choose a modem with higher fault tolerance.

(2) Poor antenna contact;

(3)CDMA signal is weak, and it is easy to form disconnection due to signal attenuation;

(4) The maximum communication speed of the MODEM in the software is set too high, which leads to disconnection. The solution is to reduce the speed value;

(5) Sudden and drastic changes of electromagnetic waves in the surrounding environment will also lead to abnormal interruption of normal data transmission;

(6) Computer failure. Files are damaged, lost or replaced during the use of the computer; The installed Windows operating system is not original and has been artificially optimized.

Solution:

(1) Change the place with good network signal and see if there are large electromagnetic wave transmitters around;

(2) Check whether the antenna is damaged;

(3) Detecting the hardware of the wireless network card.

9. Users report that surfing the Internet during the day is faster than at night.

Reason: At different times, the number of Internet users is different, and the network speed is different.

Solution: Try not to download large programs during peak hours, and avoid peak hours.

10. You can connect to the network normally, but the connection speed is displayed as 28.8Kbps.

Cause: There is a problem with the modem related settings of the system.

Solution: Reinstall the system, or use special software to restore the configuration file and registry to normal.

1 1. The network connection is normal, showing 230.4Kbps. However, IE, MSN, etc. Can't surf the Internet.

Reason: IE and MSN are damaged, or DNS related services and files are damaged.

Solution:

(1) First, check whether there is any problem with the network card, and make sure that there is no problem with the network card. Then, if other programs can surf the Internet normally, check whether there is a problem with IE. Detection method: use other kernel browsers (such as Mozilla FireFox, Opera, etc.) to test. ). If all programs can't access the Internet, you can use the "Connection Test" in MSN's "Tools"-> "Connection" to check for errors, and it may be detected that DNS can't connect normally. At this point, there may be a problem with the host file, the network protocol set or the file called by DNS.

(2) Restore DNS-related files or network protocol sets to the initial state. Use the "System Restore" function of Windows XP system to restore the system to a relatively stable clean restore point. If this method can't solve the problem, it is recommended to reinstall the system.

12. The network connection is normal, but the network speed is slow?

Causes: CDMA network signal problem, network card quality problem, computer failure, worm, Trojan horse, virus,

Solution:

(1) Unicom's different base station equipment will sometimes have a certain impact, and the signal near the hard handover area of the network is generally poor. The area where CDMA wireless Internet users are concentrated and the mobile phone signal is poor will affect the speed of CDMA wireless Internet access, but generally speaking, Unicom's current network is still possible. If the internet speed is slow, you can try somewhere else.

(2) If the network is found to be useless, especially if the upload traffic continues to be generated, it is 90% poisoning. This kind of virus will block the network and occupy a lot of CPU resources. It is strongly recommended to install anti-virus software to protect the smooth network. We also have Du Meter, a software for observing and counting traffic time, which can observe the usage and pass it on to users if necessary.

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