Dell Latitude E6400 XFR Service Manual

Also see for Latitude E6400 XFR: System Board Replacement How-to guide Service manual Setup and features information Installation instructions

Contents

Dell Latitude E6400 XFR Service Manual Manual pdf 17 page image

Dell ™ Latitude™ E6400 XFR Service ManualPage 17ELIMINATE POSSIBLE INTERFERENCE — Turn off nearby fans, fluorescent lights, or halogen lamps to check forinterference.RUN THE HARDWARE TROUBLESHOOTER — See Hardware Troubleshooter.No Sound From HeadphonesCHECK THE HEADPHONE CABLE CONNECTION — Ensure that the headphone cable is securely inserted into theheadphone connector. See the Setup and Features Information Guide for your computer at support.dell.com.ADJUST THE WINDOWS VOLUME CONTROL — Click or double-click the speaker icon in the lower-right corner ofyour screen. Ensure that the volume is turned up and that the sound is not muted.1.2.8 Video and Display ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safetyinstructions that shipped with your computer.NOTICE: If your computer came with a PCI graphics card installed, removal of the card is notnecessary when installing additional graphics cards; however, the card is required fortroubleshooting purposes. If you remove the card, store it in a safe and secure location. Forinformation about your graphics card, go to support.dell.com.CHECK THE DIAGNOSTIC LIGHTS — See Diagnostic Lights.CHECK THE DISPLAY SETTINGS — See the Dell™ Technology Guide on your computer or at support.dell.com.ADJUST THE WINDOWS DISPLAY SETTINGS —Windows XP:1. Click Start→ Control Panel→ Appearance and Themes.2. Click the area you want to change or click the Display icon.3. Try different settings for Color quality and Screen resolution.Windows Vista:1. Click Start → Control Panel→ Hardware and Sound→ Personalization→ Display Settings.2. Adjust Resolution and Colors settings, as needed.Only Part of the Display is ReadableCONNECT AN EXTERNAL MONITOR —1. Shut down your computer and connect an external monitor to the computer.2. Turn on the computer and the monitor and adjust the monitor brightness and contrast controls.If the external monitor works, the computer display or video controller may be defective. Contact Dell Support.1.3 Dell Technical Update ServiceThe Dell Technical Update service provides proactive e-mail notification of software and hardware updates for yourcomputer. The service is free and can be customized for content, format, and how frequently you receive notifications.To enroll for the Dell Technical Update service, go to support.dell.com.1.4 Dell Support UtilityThe Dell Support Utility is installed on your computer and available from the Dell Support, , icon on the taskbar orfrom the Start button. Use this support utility for self-support information, software updates, and health scans of yourcomputing environment.