Key facts
- Manuals
- 784
- Models
- 53
- Brands
- 25
- Languages
- EN · ZH · JA
- Last added
- 2026-10-03
Desktops models by brand
Featured Desktops manuals

Lenovo M910z User Guide and Hardware Maintenance Manual
This manual covers the Lenovo M910z desktop computer, describing the locations of indicators, connectors, and controls, as well as replaceable parts and specifications. It includes sections for adjusting the monitor stand, UltraFlex II stand, and detailed instructions for technicians to replace customer‑replaceable units (CRUs) and field‑replaceable units (FRUs).
The document also lists computer lock options, provides a full specifications table, and contains safety notices and trademark information. It is intended for both end‑users and service technicians who need to service or upgrade the system.
Covers: Overview · Front view · Rear view · System board · Adjusting the monitor stand · Adjusting the UltraFlex II Stand

Dell Precision 450 and 650 Workstation User Guide
This guide explains the features and operation of the Dell Precision 450 and 650 workstations. It includes hardware overviews, installation and removal procedures, diagnostic indicators, and instructions for system maintenance and software compatibility.
The document also covers troubleshooting steps such as interpreting diagnostic LEDs and beep codes, running Dell Diagnostics, performing system restores, and updating drivers via the Drivers and Utilities (Resource) CD. This manual is written in Chinese.
Covers: System Overview · Hardware Components · Installation and Removal · Troubleshooting · Diagnostic Indicators · Beep Codes

Fractal Design Nexus 9P Slim Case User Guide
The Nexus 9P Slim is a compact computer case designed for a wide range of motherboard sizes and cooling configurations. It measures 544 × 242 × 530 mm and supports ATX, E‑ATX, mATX, ITX and SSI‑CEB/EEB boards, with up to four 2.5" and two 3.5" drive bays.
The manual details the accessory box contents, front‑panel ports (USB 3.1 Gen 2, two USB 3.0, audio & mic), radiator mounting options (up to 420 mm front, 140 mm rear, 420 mm bottom), and warranty information. It also includes specifications for fans, power supply dimensions, and GPU/CPU cooler clearances. This manual is written in Japanese.
Covers: Introduction · Case Overview · Accessory Box Contents · Specifications · Cooling Options · Support

Dell OptiPlex 755 Quick Reference Guide
This Quick Reference Guide helps users set up and operate the Dell OptiPlex 755 desktop. It includes sections on finding information, installing hardware, configuring system settings, and accessing support resources.
The guide also covers troubleshooting, diagnostic tools, and procedures for restoring the operating system, making it a handy resource for both new and experienced users.
Covers: Finding Information · Setting Up Your Computer · System Views · Jumper Settings · Solving Problems · Dell Diagnostics
Latest Desktops manuals
Lenovo M910z User Guide and Hardware Maintenance Manual
Service Manual 70 pages · 7.5 MB · ENThe Lenovo M910z Service Manual provides an overview, specifications, and step‑by‑step instructions for locating indicators, connectors, and replacing CRUs…
Dell Precision 450 and 650 Workstation User Guide
User Manual 140 pages · 4.1 MB · ZHThe Dell Precision 450 and 650 Workstation User Guide provides setup, component, maintenance, troubleshooting, and driver information for these workstations.
Fractal Design Nexus 9P Slim Case User Guide
User Manual 56 pages · 20.6 MB · JAThe guide provides dimensions, component compatibility, cooling options, and assembly instructions for the Fractal Design Nexus 9P Slim computer case.
Dell OptiPlex 755 Quick Reference Guide
Quick Start Guide 248 pages · 9 MB · ENThe Dell OptiPlex 755 Quick Reference Guide provides setup instructions, component locations, jumper settings, troubleshooting tips, and support information…
Founder Technology FYX800_100_003 Home Computer User Manual
User Manual 92 pages · 5.7 MB · ZHThe FYX800_100_003 home computer user manual from Founder Technology provides safety, setup, operation, maintenance and troubleshooting guidance.
Acer Veriton Desktop Computer User Manual
User Manual 50 pages · 2.7 MB · ENThe Acer Veriton Desktop Computer User Manual provides setup, care, recovery, network, security, and troubleshooting instructions.
Apple Mac Pro User Guide
User Manual 120 pages · 7.2 MB · ENThe Apple Mac Pro User Guide provides setup instructions, feature overviews, troubleshooting tips, and maintenance information for the Mac Pro.
Acer Veriton P330 F2 Workstation Specifications
Product Leaflet 13 pages · 963 KB · ENThe Acer Veriton P330 F2 workstation specifications detail processor options, memory capacity, storage, graphics, and connectivity.
HP Media Center PC User Guide
User Manual 232 pages · 12.2 MB · ZHThe HP Media Center PC User Guide provides safety information, assembly steps, device connections, software usage, and troubleshooting for the Media Center PC.
HP EliteDesk 800 G4 SFF Business PC Maintenance and Service Guide
Service Manual 144 pages · 3.9 MB · ENMaintenance and Service Guide for the HP EliteDesk 800 G4 SFF Business PC with parts catalog, disassembly steps, troubleshooting and diagnostics.
HP Z1 Entry Tower G6 Product Leaflet QuickSpecs
Product Leaflet 60 pages · 607 KB · ENQuickSpecs for the HP Z1 Entry Tower G6 detailing its processors, memory, storage, graphics, ports and networking options.
Lenovo ThinkCentre E73 User Guide
User Manual 2 pages · 798 KB · ZHThe Lenovo ThinkCentre E73 user guide provides safety, setup, connection, and support information for the desktop computer.
Intel Desktop Processors and Boards Quick Reference Matrix
Product Leaflet 46 pages · 3.7 MB · ENA quick reference matrix that lists Intel desktop processor families, compatible boards, and key platform features.
ASUS P2-P5G41/P4-P5G41 Desktop Barebone User Manual
User Manual 75 pages · 5.9 MB · ENUser manual for the ASUS P2-P5G41/P4-P5G41 desktop barebone system covering setup, BIOS configuration, and safety information.
HP Compaq dx2355 Small Form Factor Desktop Hardware Reference Guide
User Manual 50 pages · 1.8 MB · ZHThe HP Compaq dx2355 Small Form Factor Desktop Hardware Reference Guide provides specifications, upgrade options, and maintenance instructions.
Which document do I need?
Service Manual
Disassembly, diagnostics and part numbers, for repair.
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Quick Start Guide
The shortest path to a working setup, usually only a few pages.
Installation Guide
Mounting, wiring and first power-up. Read it before the hardware goes in.
Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Programming Manual
Instruction set, parameters and examples for configuring or programming the device.
Questions answered in Desktops manuals
What type of power supply does the M910z use?
It uses a 150‑watt automatic voltage‑sensing power supply, with an optional 180‑watt version.
From: Lenovo M910z User Guide and Hardware Maintenance Manual
How do I secure the Lenovo M910z with a lock?
Use the security‑lock slot to attach a Kensington‑style cable lock as described in the Computer locks section.
From: Lenovo M910z User Guide and Hardware Maintenance Manual
What does beep code 1‑3‑1 indicate?
It indicates a memory failure in the computer.
How can I start the Dell Diagnostics program?
Boot from the hard drive or the Drivers and Utilities CD (ResourceCD) and select the Dell Diagnostics option.
What are the dimensions of the Nexus 9P Slim case?
The case measures 544 mm × 242 mm × 530 mm (L × W × H).
What is the maximum GPU length the case can accommodate?
The case supports a GPU up to 423 mm long when a 180 mm front fan is installed.
