Dell H7228 manual Solving Problems

Page 28

w w w . d e l l . c o m s u p p o r t . d e l l . c o m

CONNECT THE MODEM DIRECTLY TO THE TELEPHONE WALL JACK If you have other telephone devices sharing the line, such as an answering machine, fax machine, surge protector, or line splitter, then bypass them and use the telephone to connect the modem directly to the telephone wall jack.

USE A DIFFERENT TELEPHONE LINE If you are using a line that is 3 m (10 ft) or more in length, try a shorter one.

RUN THE MODEM HELPER DIAGNOSTICS Click the Start button, point to All Programs, and then click Modem Helper. Follow the instructions on the screen to identify and resolve modem problems. (Modem Helper is not available on all computers.)

VERIFY THAT THE MODEM IS COMMUNICATING WITH WINDOWS® 1 Click the Start button and click Control Panel.

2 Click Printers and Other Hardware.

3 Click Phone and Modem Options.

4 Click the Modems tab.

5 Click the COM port for your modem.

6 Click Properties, click the Diagnostics tab, and then click Query Modem to verify that the modem is communicating with Windows.

If all commands receive responses, the modem is operating properly.

TURN OFF CALL WAITING (CATCH-PHONE)See your telephone directory for instructions on deactivating this feature. Then adjust the dial-up networking connection properties.

1 Click the Start button and click Control Panel.

2 Click Printers and Other Hardware, and then click Phone and Modem Options. 3 Click your connection type to highlight it.

4 Click the Dialing Rules tab and click Edit.

5 Click the To Disable Call Waiting box to place a checkmark in it.

6 Select the disable code from the drop-down menu (for example, *70).

7 Click Apply and click OK.

ENSURE THAT YOU ARE CONNECTED TO THE INTERNET With the Outlook Express e-mail program open, click File. If Work Offline has a checkmark next to it, click the checkmark to remove it and connect to the Internet.

28

Solving Problems

Image 28
Contents Dell Dimension 4600C USB 2.0 connectors Ieee 1394 connectorAbbreviations and Acronyms Contents Mail, Modem, and Internet Problems Program is designed for an earlier Microsoft WindowsUsing Microsoft Windows XP System Restore Resolving Software and Hardware IncompatibilitiesAppendix Safety Instructions Safety InstructionsW . d e l l . c o m s u p p o r t . d e l l . c o m Tips on using Windows How to clean my computerFinding Information for Your Computer Microsoft Windows License LabelAnswers to technical service Downloads Drivers, patches, and software updatesHow to use Windows XP Support questionsConnecting the AC Adapter Japan only Setting Up and Using Your ComputerAttaching and Removing the Computer Stand Tabs Tab holes Setting Up and Using Your ComputerScrew Setting Up a Printer Connecting a Parallel Printer Parallel connector on computerPrinter Cable Screws Clips Parallel printer Cable NotchesConnecting a USB Printer USB connector on computerConnecting an Ieee 1394 Device Optional Setting Up a Home and Office NetworkConnecting to a Network Adapter Ieee 1394 connector Ieee 1394 cableNetwork Setup Wizard Network cableConnecting to the Internet Setting Up Your Internet ConnectionHow to Copy a CD or DVD Copying CDs and DVDsHyper-Threading Using Blank CD-Rs and CD-RWsHelpful Tips Booting to a USB Device Turning Off Your ComputerSetting Up and Using Your Computer Finding Solutions Solving ProblemsW . d e l l . c o m s u p p o r t . d e l l . c o m See Battery Problems Finding Help InformationCD drive problems Drive ProblemsProblems writing to a CD-RW drive DVD drive problems Mail, Modem, and Internet ProblemsHard drive problems Solving Problems Error Messages Operating System not Found Contact Dell seeGeneral Problems Computer stops respondingProgram stops responding Program crashes repeatedlyOther software problems Solid blue screen appearsOther technical problems General hardware problemsIeee 1394 Device Problems Keyboard ProblemsMouse Problems PC Card Problems Network ProblemsLink activity light Power Problems Printer Problems Scanner Problems Sound and Speaker Problems No sound from speakersNo sound from headphones Video and Monitor ProblemsIf the screen is blank If the screen is difficult to read Solving Problems Light Pattern Problem Description Suggested Resolution Diagnostic LightsAdvanced Troubleshooting Modules installed, remove Modules, reinstall one moduleNormally, reinstall an additional Identified a faulty module orRemove the card and reinstall it If the problem persists orIf the computer has a video card See page 66, and restartDell Diagnostics Starting the Dell Diagnostics Option FunctionWhat Is a Driver? DriversIdentifying Drivers Tab FunctionReinstalling Drivers Restoring Your Operating SystemUsing Microsoft Windows XP System Restore Restoring the Computer to an Earlier Operating StateUsing Dell PC Restore by Symantec Enabling System Restore Resolving Software and Hardware IncompatibilitiesFront View Front and Back View of the ComputerAdding Parts More information Unexpectedly restartInstead, perform an operating system shutdown Back View Network jack Modem jack Reattaching the Front Door Hinge arms Closed position Opening the Computer CoverFront door Cable security tab Back of computer Adding PartsLooking Inside Your Computer System Board Adding PC Cards Optional PC Card TypesInstalling a PC Card Removing a PC Card Adding Other Cards Adding or Replacing a Video Card Removing a Video Card Notch Lever Tab card clip AGP connector PCI connectorHinged lever Filler bracket Adding Memory Installing a Video CardDDR Memory Overview Installing Memory Securing clips Connector Notch Memory module Cutouts CrossbarRemoving Memory Closing the Computer Cover Specifications MicroprocessorSystem Information Expansion BusPorts and Connectors MemoryDrives VideoPower AudioNetwork Controls and LightsIs 914 m 3000 ft Environmental914 m 3000 ft Standard Settings Viewing Settings Clearing Forgotten PasswordsSystem Setup Screens Replacing the Battery Battery Dell Technical Support Policy U.S. Only Definition of Dell-Installed Software and PeripheralsDefinition of Third-Party Software and Peripherals FCC Notices U.S. Only Class a Class BContacting Dell FCC Identification InformationAppendix Appendix Appendix Appendix Area Codes Local Numbers, Toll-Free Numbers Appendix Area Codes Local Numbers, Toll-Free Numbers Appendix Appendix Appendix Appendix 800 300 412 or 21 422 07 Appendix Appendix Toll-free Or toll-free Appendix Index Index 101Index 102 IndexIndex 103 Index 104