This section provides information to help isolate and repair system malfunctions at the field level. The system has a built-in program that automatically checks its components when the system is powered on. If there is a problem, the system displays an error message. If this happens, follow any instructions on the screen.

If screen messages do not help or an error message does not appear, refer to the information in this section to help determine and correct the problem. For the more common problems, refer to “Checklist” for assistance. If the information in the checklist does not help, refer to “Diagnostics ” for more detailed problem solving.

If disassembly is required, see Section 3, “Disassembly and Reassembly.” Jumper settings are given in Section 2, “System Configuration” and in Section 4, “System Board.”

Checklist

Check the following list for a match to the system problem and the possible cause and solution.

System ProblemsT

No power and power lamp not lit.

Check that all power switches are on.

Check that the power cable is plugged into the system power socket and that the other end is plugged into a live, properly grounded AC power outlet or surge protector.

Check the outlet or surge protector by plugging in a lamp.

Non-System Disk error message displays when the system is started.

A diskette is in the diskette drive, and the diskette drive is set before the hard drive in boot order. Remove the diskette from drive A and restart the

Tsystem.

Operating system not found error message displays when the system is started.

If a CD is left in the CD-ROM drive, the system may not be able to boot. Try removing the CD and rebooting.

The hard drive might need more time to spin up before the system boots. Change the “Hard Disk Pre-Delay” to a higher setting from the BIOS

TSetup utility.

System does not boot and error message displayed on screen.

Run the Setup utility (see Section 2, “System Configuration”). Check that the parameters are set correctly, particularly if you just installed an option.

7-2 Troubleshooting

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NEC VT 300i manual Checklist, System ProblemsT, Troubleshooting

VT 300i specifications

The NEC VT 300i is a versatile and compact LCD projector designed for educational environments and business presentations. With its impressive combination of features and user-friendly design, the VT 300i has made a mark as a reliable choice for professionals and educators alike.

One of the standout features of the VT 300i is its brightness. With a robust output of up to 3,000 ANSI lumens, the projector ensures that images are clear and vivid, even in well-lit rooms. This brightness level allows users to deliver impactful presentations without the concern of image washout due to ambient light conditions. Coupled with a high contrast ratio of 400:1, users can expect sharp, detailed images that enhance the overall viewing experience.

The VT 300i showcases advanced DLP projection technology, which is known for producing sharp images with excellent color accuracy. The inclusion of NEC’s proprietary Intelligent Auto Setup feature allows the projector to adjust to various input sources automatically, making setup quick and hassle-free. This ensures that even those who may not be tech-savvy can operate the device with ease.

Another notable characteristic is the VT 300i’s portability. Weighing in at a little over 5 pounds and featuring a compact design, the projector is easy to transport between different locations. This portability is further enhanced by its integrated carrying handle and durable casing, making it suitable for frequent travel.

The connectivity options of the VT 300i also cater to modern technology needs. It includes multiple input terminals, such as HDMI, VGA, and USB, enabling seamless integration with various devices like laptops, tablets, and other media players. Additionally, it supports both wired and wireless presentations, making it versatile for different presentation settings.

User-friendliness extends to the maintenance aspect as well. The VT 300i incorporates an easily accessible filter and lamp compartment, simplifying the process of replacements and ensuring minimal downtime. With a lamp life of up to 5,000 hours in eco mode, it offers longevity and cost-effectiveness.

In conclusion, the NEC VT 300i stands out with its combination of brightness, advanced projection technology, and user-friendly features. Whether in an educational setting or a business meeting, it offers reliability and quality, making it a popular choice for users seeking a competent and portable projector.