INSPIRON

Solving Problems

CAUTION: Only trained service personnel should remove the computer cover. See the Service Manual on the Dell Support website at support.dell.com for advanced service and troubleshooting instructions.

Network Problems

Wireless Connections

If the wireless network connection is lost

The wireless router is offline or wireless has been disabled on the computer.

Check your wireless router to ensure it is powered on and connected to your data source (cable modem or network hub).

Interference may be blocking or interrupting your wireless connection. Try moving the computer closer to your wireless router.

Re-establish your connection to the wireless router:

a.Save and close any open files, and exit any open programs.

b.Click Start Connect To.

c.Follow the instructions on the screen to complete the setup.

Wired Connections

If the network connection is lost — The cable is loose or damaged.

Check the cable to ensure it is plugged in and not damaged.

The link integrity light on the integrated network connector lets you verify that your connection is working and provides information on the status:

Green — A good connection exists between a 10-Mbps network and the computer.

24

Page 26
Image 26
Dell PP40S, 1210, M438J setup guide Solving Problems, Network Problems

M438J, PP40S, 1210 specifications

The Dell 1210, also known as the PP40S, is a versatile projector that has captured the attention of users looking for reliability and performance in different settings. Compact and lightweight, the Dell 1210 is designed for portability without compromising on quality, making it an ideal choice for both home and business use.

One of the most significant features of the Dell 1210 is its brightness capability, boasting an impressive luminosity rating of up to 2,700 ANSI lumens. This allows the projector to deliver vibrant and clear images even in well-lit environments. The native resolution is XGA (1024x768), which provides adequate image clarity for presentations and multimedia content. The device supports a range of resolutions up to UXGA (1600x1200), ensuring compatibility with various devices and formats.

The Dell 1210 utilizes DLP technology that ensures sharp, crystal-clear images with fast response times, reducing motion blur during dynamic presentations or video playback. Equipped with a contrast ratio of 2000:1, users can expect deep blacks and bright whites, enhancing overall picture quality. The lamp life is rated at approximately 4000 hours in standard mode, extending to 5000 hours in eco mode, which is particularly beneficial for users concerned about maintenance and component replacement costs.

Connectivity is a strong point for the Dell 1210. It features multiple input options, including HDMI, VGA, and composite video, allowing for compatibility with a range of devices from laptops and desktops to DVD players and gaming consoles. The built-in speaker provides adequate audio for presentations without the need for additional equipment, though external speakers can be connected for a more robust sound experience.

Another noteworthy aspect of the Dell 1210 is its energy-efficient design. The projector adheres to Energy Star standards, making it a cost-effective option for those focused on reducing power consumption. The user-friendly interface ensures that setup and operation are simple, even for those who may not be tech-savvy.

In conclusion, the Dell 1210 (PP40S) projector emerges as a solid choice for individuals and businesses seeking an affordable, efficient, and reliable projection solution. With its combination of brightness, image quality, connectivity options, and eco-friendly features, it sits well in the competitive landscape of portable projectors, catering to a diverse range of users and applications.