Dell K7821 guide

Código	Causa	Código	Causa

1-1-2	Falla en un registro del microprocesador	3-1-4	Falla en el registro esclavo de
			enmascaramiento de interrupciones

1-1-3	Falla de lectura/escritura NVRAM	3-2-2	Falla en la carga del vector de
			interrupciones

1-1-4	Falla en la suma de comprobación del	3-2-4	Falla de la prueba del controlador del
	BIOS en ROM		teclado

1-2-1	Error del temporizador de intervalos	3-3-1	Pérdida de alimentación para la
	programable		NVRAM

1-2-2	Falla en la inicialización de DMA	3-3-2	Configuración de la NVRAM no válida

1-2-3	Falla de lectura /escritura en el registro	3-3-4	Falla en la prueba de la memoria de
	de páginas del sistema de DMA		vídeo

1-3	Falla en la prueba de la memoria de	3-4-1	Falla de inicio de la pantalla
	vídeo

1-3-1 a 2-4-4	La memoria no se está utilizando o	3-4-2	Fallo en el barrido de la pantalla
	identificando adecuadamente

3-1-1	Falla en el registro DMA esclavo	3-4-3	Falla de búsqueda de ROM de vídeo

3-1-2	Falla en el registro del DMA maestro	4-2-1	No hay impulsos del temporizador

3-1-3	Falla en el registro maestro de	4-2-2	Falla de suspensión del trabajo
	enmascaramiento de interrupciones.

4-2-3	Error Gate A20	4-4-1	Falla en la prueba de un puerto serie o
			paralelo

4-2-4	Interrupción inesperada en modo	4-4-2	Falló la descompresión de los datos
	protegido		hacia la memoria duplicada

4-3-1	Falla de memoria por encima de la	4-4-3	Falla en la prueba del coprocesador
	dirección 0FFFFh		matemático

4-3-3	Falla en el contador del chip del	4-4-4	Falla de la prueba de la memoria caché
	temporizador 2

4-3-4	El reloj de hora se ha parado

Ejecución de los diagnósticos de disco duro IDE de Dell™

Se trata de un programa que prueba la unidad de disco duro para solucionar problemas o confirmar la existencia de fallos en ésta.

1Encienda el equipo (si el equipo ya está encendido, reinícielo).

2Cuando aparezca F2= Setup en el margen superior derecho de la pantalla, pulse <Ctrl><Alt><d>.

3Siga las instrucciones que aparecen en pantalla.

Si aparece un error, consulte la sección relativa a los problemas con la unidad de disco duro en la sección “Solución de problemas” de la Guía del usuario en línea.

Guía de referencia rápida

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.

Dell K7821 manual Ejecución de los diagnósticos de disco duro IDE de Dell

Models: K7821

NVRAM

Ejecución de los diagnósticos de disco duro IDE de Dell™

K7821 specifications