Dell 745 manual Mail, Modem, and Internet Problems, Hard drive problems, Run Check Disk

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Solving Problems: Dell OptiPlex 745 User's Guide

Hard drive problems

Run Check Disk —

1.Click the Start button and click My Computer.

2.Right-click Local Disk C:.

3.Click Properties.

4.Click the Tools tab.

5.Under Error-checking, click Check Now.

6.Click Scan for and attempt recovery of bad sectors.

7.Click Start.

E-Mail, Modem, and Internet Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer.

NOTE: Connect the modem to an analog telephone jack only. The modem does not operate while it is connected to a digital telephone network.

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.

http://support.dell.com/support/edocs/systems/op745/en/UG_en/solving.htm (5 of 18) [10/19/2007 9:39:12 AM]

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Contents Battery Problems Troubleshooting TipsCheck the card seating and cable Card ProblemsTest the cards Drive ProblemsTest the graphics card Run the Dell Diagnostics See Dell Diagnostics Optical drive problemsAdjust the Windows volume control Test the driveRun Check Disk Mail, Modem, and Internet ProblemsHard drive problems Check the keyboard cable Keyboard ProblemsFan Problems Computer does not start up Lockups and Software ProblemsComputer stops responding Program stops respondingOther software problems Media Card Reader ProblemsProgram crashes repeatedly Solid blue screen appearsNo drive letter is assigned Memory ProblemsFlexBay device is Disabled If you experience other memory problems Mouse ProblemsIf you receive an insufficient memory message Check the mouse cableRestart the computer Network ProblemsCheck the mouse settings Lights Power ProblemsEnsure that the printer is turned on Printer ProblemsIf the power light is blinking amber Verify that the printer is recognized by Windows Restoring Default SettingsCheck the printer cable connections No sound from speakers Serial or Parallel Device ProblemsSound and Speaker Problems Run the speaker diagnostics No sound from headphonesCheck the monitor cable connection Video and Monitor ProblemsIf the screen is blank If the screen is difficult to read Check the diagnostic lights See Diagnostic Lights
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