Code

Cause

Code

Cause

 

 

 

 

1-2-2

DMA initialization failure

3-3-2

Invalid NVRAM configuration

 

 

 

 

1-2-3

DMA page register read/write failure

3-3-4

Video Memory Test failure

 

 

 

 

1-3

Video Memory Test failure

3-4-1

Screen initialization failure

 

 

 

 

1-3-1 through 2-4-4

Memory not being properly identified

3-4-2

Screen retrace failure

 

or used

 

 

 

 

 

 

3-1-1

Slave DMA register failure

3-4-3

Search for video ROM failure

 

 

 

 

3-1-2

Master DMA register failure

4-2-1

No timer tick

 

 

 

 

3-1-3

Master interrupt mask register failure

4-2-2

Shutdown failure

 

 

 

 

4-2-3

Gate A20 failure

4-4-1

Serial or parallel port test failure

 

 

 

 

4-2-4

Unexpected interrupt in protected

4-4-2

Failure to decompress code to shadowed

 

mode

 

memory

 

 

 

 

4-3-1

Memory failure above address 0FFFFh

4-4-3

Math-coprocessor test failure

 

 

 

 

4-3-3

Timer-chip counter 2 failure

4-4-4

Cache test failure

 

 

 

 

4-3-4

Time-of-day clock stopped

 

 

 

 

 

 

Running the Dell™ IDE Hard Drive Diagnostics

The Dell IDE Hard Drive Diagnostics is a utility that tests the hard drive to troubleshoot or confirm a hard drive failure.

1Turn on your computer (if your computer is already on, restart it).

2When F2= Setup appears in the upper-right corner of the screen, press <Ctrl><Alt><d>.

3Follow the instructions on the screen.

If a failure is reported, see "Hard Drive Problems" in the "Solving Problems" section of the online User’s Guide.

Resolving Software and Hardware Incompatibilities

If a device is either not detected during the operating system setup or is detected but incorrectly configured, you can use the Hardware Troubleshooter to resolve the incompatibility. In the Microsoft® Windows® 2000 operating system, you can also use Device Manager to resolve incompatibilities.

Windows XP

To resolve incompatibilities using the Hardware Troubleshooter:

1Click the Start button and click Help and Support.

2Type hardware troubleshooter in the Search field and click the arrow to start the search.

3Click Hardware Troubleshooter in the Search Results list.

Quick Reference Guide

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Dell K7821 Running the Dell IDE Hard Drive Diagnostics, Resolving Software and Hardware Incompatibilities, Windows XP
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K7821 specifications

The Dell K7821 is a powerful and versatile monitor that caters to the needs of professionals, gamers, and everyday users alike. With its sleek design and advanced features, it has become a preferred choice for those who require high-quality visuals and exceptional performance.

One of the standout characteristics of the Dell K7821 is its impressive display. Featuring a large screen size, it offers an optimal viewing experience, ideal for multitasking or immersive gaming. The resolution of the monitor ensures sharp, clear images while maintaining vibrant colors that bring content to life. It employs advanced IPS (In-Plane Switching) technology, which provides wider viewing angles and consistent color accuracy, making it suitable for collaborative work environments as well as personal use.

The K7821 is equipped with multiple connectivity options, including HDMI, DisplayPort, and USB-C ports. This versatility allows users to connect various devices seamlessly, whether it's a laptop, desktop, or even gaming consoles. Additionally, the monitor supports plug-and-play functionality, ensuring an easy setup process without the need for complex installations.

One of the key features of the Dell K7821 is its ergonomics. It comes with an adjustable stand that allows users to change the height, tilt, and swivel of the monitor, promoting comfort during extended usage. This adaptability is especially beneficial for professionals who spend long hours in front of their screens.

For those concerned about eye strain, Dell has incorporated several eye-care technologies into the K7821. With features such as flicker-free technology and a blue light filter, users can enjoy longer viewing sessions without discomfort. This attention to eye health is essential in today's digital age, where screen time is ever-increasing.

In terms of design, the Dell K7821 boasts an elegant and modern aesthetic. It features slim bezels that maximize the screen real estate, allowing for a more immersive experience and making it an excellent choice for a dual or multi-monitor setup.

In conclusion, the Dell K7821 is a robust monitor that integrates cutting-edge technology with user-friendly features. Its exceptional display quality, versatile connectivity options, ergonomic design, and eye-care technologies position it as an excellent choice for a wide range of users, from gamers to professionals seeking efficiency and comfort in their workspace. With this monitor, Dell continues to uphold its reputation for producing reliable and high-quality peripherals that enhance productivity and enjoyment.
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