146 Troubleshooting1 Click Start and click Computer.2 Right-click Local Disk C:.3 Click Properties→ Tools→ Check Now.The User Account Control window may appear. If you are an administrator on thecomputer, click Continue; otherwise, contact your administrator to continue thedesired action.4 Follow the instructions on the screen.E-Mail, Modem, and Internet ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in theProduct Information Guide.NOTE: Connect the modem to an analog telephone jack only. The modem does notoperate while it is connected to a digital telephone network.NOTE: Do not plug a telephone cable into the network adapter connector (see "PinAssignments for I/O Connectors" on page 247).C H E C K T H E M I C R O S O F T O U T L O O K ® E X P R E S S S E C U R I T Y S E T T I N G S — If you cannotopen your e-mail attachments:1 In Outlook Express, click Tools→ Options→ Security.2 Click Do not allow attachments to remove the checkmark, as needed.C H E C K T H E T E L E P H O N E L I N E C O N N E C T I O NC H E C K T H E T E L E P H O N E J A C KC O N N E C T T H E M O D E M D I R E C T L Y T O T H E T E L E P H O N E W A L L J A C KU S E A D I F F E R E N T T E L E P H O N E L I N E• Verify that the telephone line is connected to the jack on the modem (the jack haseither a green label or a connector-shaped icon next to it).• Ensure that you hear a click when you insert the telephone line connector into themodem.• Disconnect the telephone line from the modem and connect it to a telephone, thenlisten for a dial tone.• If you have other telephone devices sharing the line, such as an answering machine,fax machine, surge protector, or line splitter, bypass them and use the telephone toconnect the modem directly to the telephone wall jack. If you are using a line that is 3meters (10 feet) or more in length, try a shorter one.R U N T H E M O D E M D I A G N O S T I C T O O LWindows XP:1 Click Start→ All Programs→ Modem Helper.