The service is free and can be customized for content, format, and how frequently you receive notifications. The Dell Technical Update service provides proactive e-mail notification of software and hardware updates for your computer. If the problem persists, contact contact Dell Support.If available, install a working modem into your computer.If the computer malfunctions the individual lights display a status of either On To troubleshoot a problem with your computer, read the sequence of the keyboard status lights in order from left to right (Num Lock, Caps Lock, and then Scroll Lock). For more information on using the system setup program, see System Setup Program. NOTE: After the computer completes POST, the Num Lock light may remain on, depending on your BIOS settings. If the computer malfunctions, however, you can use the status of the lights to help identify the problem. If the computer starts without error, the lights flash, and then turn off. During normal operation, the keyboard status lights display the current status ( on or off) of the Num Lock, Caps Lock, and Scroll Lock features. Your computer has three keyboard status lights located above the keyboard. Troubleshooting: Dell Latitude D630/D630c User's GuideĬAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.

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