Clevo W251ESQ - User Manual

W251ESQ/W255ES

Clevo W251ESQ Specifications

General

Brand	Clevo
Model	W251ESQ
Category	Laptop
Language	English

Summary

Preface

Safety, Caution, and FCC Compliance

Covers safety instructions, laser caution, and FCC statement for the device.

Instructions for Care and Operation

Power Safety

Requirements and precautions for safe use of the computer's power adapter and supply.

Battery Precautions and Guidelines

Safety guidelines for handling, charging, and disposing of batteries.

System Startup

Introduction

Specifications

Details processor, core logic, display, memory, video controller, BIOS, storage, audio, etc.

Disassembly

Overview

Maintenance Precautions

Reminders to avoid injury or damage during removal/replacement jobs.

Disassembly Steps

Schematic Diagrams

System Block Diagram

Processor Interface Schematics

Circuit diagrams for CPU interfaces, DMI, FDI, PEG, and DDR3 memory.

Display Interface Schematics

Schematics for panel, inverter, CRT, VGA PCI-E, and frame buffer interfaces.

Chipset (PCH) Schematics

Circuit diagrams for PCH functions like SATA, PCIE, SMBUS, GPIO, and power management.

Peripheral Module Schematics

Power Delivery Schematics

Schematics for various voltage regulators and power rails (5VS, 3VS, 1.5VS, VCORE, NVVDD).

BIOS Update

To update the FLASH ROM BIOS

Steps required to update the notebook's BIOS.

Download the BIOS

Unzip the downloaded files to a bootable CD;DVD; or USB Flash drive

Set the computer to boot from the external drive

Use the flash tools to update the BIOS

Detailed steps for executing the BIOS update utility from DOS.

Restart the computer (booting from the HDD)

Final steps to restart and load default BIOS settings after updating.