Verify monitor is attached and turned

Control panel message	Description	Recommended action

301-Keyboard Error	Keyboard failure.	1.	Reconnect keyboard with computer
			turned off.
		2.	Check connector for bent or missing
			pins.
		3.	Ensure that none of the keys are
			depressed.
		4.	Replace keyboard.

303-Keyboard Controller Error	I/O board keyboard controller.	1.	Reconnect keyboard with computer
			turned off.
		2.	Replace the system board.

304-Keyboard or System Unit Error	Keyboard failure.	1.	Reconnect the keyboard with computer
			turned off.
		2.	Ensure that none of the keys are
			depressed.
		3.	Replace the keyboard.
		4.	Replace the system board.

501-Display Adapter Failure	Graphics display controller.	1.	Reseat the graphics card (if applicable).
		2.	Clear CMOS. (See Appendix B,
			Password security and resetting CMOS
			on page 249.)
		3.	Verify monitor is attached and turned
			on.
		4.	Replace the graphics card (if possible).

510-Flash Screen Image Corrupted	Flash Screen image has errors.	Reflash the system ROM with the latest BIOS
		image.

511-CPU, CPUA, or CPUB Fan not Detected	CPU fan is not connected or may have	1.	Reseat CPU fan.
	malfunctioned.	2.	Reseat fan cable.
		2.	Reseat fan cable.
		3.	Replace CPU fan.

512-Chassis, Rear Chassis, or Front Chassis Fan not Detected

Chassis, rear chassis, or front chassis fan is not connected or may have malfunctioned.

1.Reseat chassis, rear chassis, or front chassis fan.

2.Reseat fan cable.

3.Replace chassis, rear chassis, or front chassis fan.

513-Front Chassis fan not detected	Front chassis fan is not connected or may	1.	Reseat front chassis fan.
	have malfunctioned.	2.	Reseat fan cable.
		2.	Reseat fan cable.
		3.	Replace front chassis fan.

POST numeric codes and text messages 239

800 G1 specifications

The HP ProDesk 800 G1 is a powerful and versatile desktop computer designed for business and professional use. Released as part of HP's ProDesk series, this model is known for its reliability, performance, and advanced features, making it an ideal choice for various office environments.

One of the standout characteristics of the HP ProDesk 800 G1 is its robust performance. Equipped with Intel's 4th generation Core processors, users can choose from a range of options including Core i3, i5, and i7, ensuring that there is a suitable option for tasks ranging from basic office applications to more demanding workloads such as graphic design and data analysis. The desktop supports up to 32GB of DDR3 RAM, enabling multitasking capabilities that allow users to run multiple applications simultaneously without performance degradation.

Storage options on the HP 800 G1 are flexible, including traditional hard disk drives (HDD) and solid-state drives (SSD). The inclusion of SSDs significantly enhances system responsiveness and boot times, making it a great option for users who require quick access to files and applications. Additionally, with varying storage capacities available, users can choose a configuration that best fits their data requirements.

Connectivity is another area where the HP ProDesk 800 G1 excels. It features multiple USB ports, including USB 3.0 for faster data transfer speeds, along with legacy ports such as USB 2.0. The desktop is also equipped with DisplayPort and VGA outputs for versatile display options, allowing users to connect multiple monitors for enhanced productivity. Furthermore, it includes Ethernet for reliable wired network connections and can support wireless connectivity options for added convenience.

In terms of security, the HP ProDesk 800 G1 has several built-in features, such as HP Client Security and TPM (Trusted Platform Module) for hardware-based encryption. This ensures that sensitive data remains protected, making it suitable for businesses that prioritize data security.

The design of the HP ProDesk 800 G1 is both functional and aesthetically pleasing. Its compact form factor allows for easy placement in limited spaces, while the tool-less design simplifies upgrades and maintenance. Additionally, HP’s commitment to energy efficiency is evident in this model, with ENERGY STAR certification ensuring that it operates in an environmentally friendly manner.

Overall, the HP ProDesk 800 G1 stands out as a reliable desktop computer that combines performance, security, and expandability, making it a smart investment for any business looking for a robust computing solution.

HP 800 G1 manual Verify monitor is attached and turned

Models: 800 G1

Control panel message

Password security and resetting CMOS