Brand: HP
Category: Computer
Document Type: Parts/Service
Language: EN
Parts/Service for Z440, Z640, and Z840 Workstation Series
Uploaded: Nov. 21, 2025, 6:19 p.m.
Manual Publish Date: 2014-10-01
Warranty Information
The information contained herein is subject to change without notice.
This guide covers the HP Z440, Z640, and Z840 Workstation Series. It provides detailed information on hardware components, system management, component replacement procedures, diagnostics, troubleshooting, and configuration guidance. Key areas include hardware overviews, system management features like BIOS and power management, detailed component replacement instructions, troubleshooting scenarios, and security configurations. The manual also addresses RAID device configuration and system board designators, concluding with a statement of volatility.
Troubleshooting and error codes
| Diagnostic LED and audible (beep) codes | LED color definitions |
|---|---|
| Refer to the diagnostic LED and audible (beep) codes section on page 91 for a comprehensive list of codes and their meanings. | The LED color definitions are described on page 93, explaining the significance of different LED colors during system operation or diagnostics. |