Fault phenomenon: A LAN has 10 computers, through the router connected to the ADSL Modem sharing Internet, the computer uses Windows XP System. None of the computers that have recently been able to view the workgroup computer, just click the view workgroup computer in the left column of My Network Places, and you will get out of the hint that you do not have permission to use the resource.
Troubleshooting: This situation can be resolved by following these steps:
1. Run the Network Connection Wizard and follow the wizard instructions to make the correct settings.
2. Close the system's built-in firewall, go to the "Administrative tools-Local security policy-security settings-Local Policies-security Options" interface, the "account: local account with blank password only allow console logon" is selected as "disabled", if blank password access is allowed, and each logged on user is set with a password, Do not perform this operation.
3. Right-click My Computer, select Properties-Computer name-Network id-next-This is a business network-the company uses a network that does not have a domain, and then restart the computer.
4. Open "Explorer-Tools-folder-select-View" and deselect "Use Simple File sharing". It is important to note that if the logon user name of the 10 computers is the same but the password settings are not the same, you cannot access each other. Also, enter computer name shared folder or IP address share file name directly in the address bar to access computers on the network.