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Preface Notice The company reserves the right to revise this publication or to change its contents without notice. Information contained herein is for reference only and does not constitute a commitment on the part of the manufacturer or any subsequent ven- dor.
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This manual is intended for service personnel who have completed sufficient training to undertake the maintenance and inspection of personal computers. It is organized to allow you to look up basic information for servicing and/or upgrading components of the W940AU / W941AU / W945AUQ series notebook PC.
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Preface IMPORTANT SAFETY INSTRUCTIONS Follow basic safety precautions, including those listed below, to reduce the risk of fire, electric shock and injury to per- sons when using any electrical equipment: 1. Do not use this product near water, for example near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement or near a swimming pool.
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Preface Instructions for Care and Operation The notebook computer is quite rugged, but it can be damaged. To prevent this, follow these suggestions: Don’t drop it, or expose it to shock. If the computer falls, the case and the components could be damaged. Do not expose the computer Do not place it on an unstable Do not place anything heavy...
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Preface Avoid interference. Keep the computer away from high capacity transformers, electric motors, and other strong mag- netic fields. These can hinder proper performance and damage your data. Take care when using peripheral devices. Use only approved brands of Unplug the power cord before peripherals.
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Preface Battery Precautions • Only use batteries designed for this computer. The wrong battery type may explode, leak or damage the computer. • Do not continue to use a battery that has been dropped, or that appears damaged (e.g. bent or twisted) in any way. Even if the computer continues to work with a damaged battery in place, it may cause circuit damage, which may possibly result in fire.
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Preface Related Documents You may also need to consult the following manual for additional information: User’s Manual on CD/DVD This describes the notebook PC’s features and the procedures for operating the computer and its ROM-based setup pro- gram. It also describes the installation and operation of the utility programs provided with the notebook PC. System Startup ...
Preface Contents Introduction ..........1-1 Part List Illustration Location ............A-2 Top - Positivo (W940AU) ............. A-3 Overview ..................1-1 Top - Positivo (W941AU) ............. A-4 Specifications ..................1-2 Top - Stand (W940AU) ..............A-5 External Locator - Top View with LCD Panel Open ......1-4 Top - Stand (W941AU) ..............
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the W940AU / W941AU / W945AUQ series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual.
Introduction Specifications Processor Options LCD Options 14" (35.56cm) HD (Thickness: 3.6mm)/ HD+ (Thickness: Intel® Core™ i7 Processor 3.0mm) i7-5500U (2.40GHz) 4MB L3 Cache, 14nm, DDR3L-1600MHz, TDP 15W Design II Only: Intel® Core™ i5 Processor Multi Touch i5-5200U (2.20GHz) Latest Specification Information Audio 3MB L3 Cache, 14nm, DDR3L-1600MHz, TDP 15W The specifications listed here are correct at the...
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Introduction Mini Card Slots Communication Dimensions & Weight (Core i7-5500U/i5-5200U/i3-5010U) Built-In Gigabit Ethernet LAN 340mm (w) * 242mm (d) * 26.5mm (h) (Height Excluding Battery Area) Slot 1 for WLAN Module or WLAN and Bluetooth Combo 1.0M HD PC Camera Module Module 2.15kg (Barebone with ODD and 48WH Battery) (Factory Option) 3G or 4G M.2 Module...
Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. PC Camera 2. *PC Camera LED *When the PC camera is in use, the LED will be illuminated in red. 3. Built-In Microphone 4. LCD 5.
Introduction External Locator - Front & Right Side Views Figure 2 Front View 1. LED Indicator 2. Multi-in-1 Card Reader FRONT VIEW Figure 3 Right Side View 1. Microphone-In RIGHT SIDE VIEW Jack 2. Headphone-Out Jack 3. USB 2.0 Port 4.
Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. DC-In Jack 2. RJ-45 LAN Jack 3. External Monitor LEFT SIDE VIEW Port 4. Vent 5. HDMI-Out Port 6. USB 3.0 Ports Figure 5 REAR VIEW Rear View 1.
Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the W940AU / W941AU / W945AUQ series notebook’s parts and subsystems. When it comes to reassembly, reverse the procedures (unless otherwise indicated). We suggest you completely review any procedure before you take the computer apart.
Disassembly NOTE: All disassembly procedures assume that the system is turned OFF, and disconnected from any power supply (the battery is removed too). Maintenance Tools The following tools are recommended when working on the notebook PC: • M3 Philips-head screwdriver •...
Disassembly Maintenance Precautions The following precautions are a reminder. To avoid personal injury or damage to the computer while performing a re- moval and/or replacement job, take the following precautions: Power Safety Warning 1. Don't drop it. Perform your repairs and/or upgrades on a stable surface. If the computer falls, the case and other Before you undertake components could be damaged.
Disassembly Disassembly Steps The following table lists the disassembly steps, and on which page to find the related information. PLEASE PERFORM THE DISASSEMBLY STEPS IN THE ORDER INDICATED. To remove the Battery: To remove the Wireless LAN Module : 1. Remove the battery page 2 - 5 1.
Disassembly Removing the Battery Figure 1 Battery Removal 1. Turn off the computer, turn it over. 2. Remove the SD card cover and screws from the bottom case (Figure 1a a. Remove the cover and 3. Carefully separate the bottom case from the top case in the direction of the arrow at point (Figure 1b screws from the bottom...
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Disassembly 5. Remove screws from the battery (Figure 2d Figure 2 6. Lift the battery off the computer in the direction of the arrow (Figure 2e Battery Removal & 7. Reverse the process to insert a new battery (do not forget to replace all the screws). Assembly (cont’d.) 8.
Disassembly Installing the 3G USIM Card Figure 3 3G USIM Card 1. Turn off the computer, turn it over to remove the battery (page 2 - Installation 2. Insert the USIM card until it clicks fully into position, and replace the battery, bottom case and screws (Figure 3a).
Disassembly Removing the Optical (CD/DVD) Device Figure 5 Optical Device 1. Turn off the computer, turn it over to remove the battery (page 2 - Removal 2. Carefully pull out the optical device out of the bay (Figure 5a). 3. Carefully pry the bezel off the optical device at point (Figure 5b).
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Disassembly 5. Reverse the process to attach the front bezel with the new optical device at point (Figure 6d). Figure 6 6. Insert the new optical device and carefully slide it into the computer (the device only fits one way. DO NOT Optical Device FORCE IT;...
Disassembly Removing the Hard Disk Drive Figure 7 The hard disk drive can be taken out to accommodate other 2.5" serial (SATA) hard disk drives with a height of 7mm HDD Assembly (h). Follow your operating system’s installation instructions, and install all necessary drivers and utilities (as outlined in Removal Chapter 4 of the User’s Manual) when setting up a new hard disk.
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Disassembly 3. Slightly lift and pull the hard disk assembly in the direction of arrow (Figure 8b Figure 8 4. Lift the hard disk assembly out of the bay (Figure 8c HDD Assembly 5. Remove the screws and the adhesive cover from the hard disk (Figure 8d Removal (cont’d.)
Disassembly Removing the System Memory (RAM) Figure 9 RAM Module The computer has two memory sockets for 204 pin Small Outline Dual In-line Memory Modules (SO-DIMM) supporting Removal DDR3L Up to 1600 MHz. The main memory can be expanded up to 16GB. The total memory size is automatically de- tected by the POST routine once you turn on your computer.
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Disassembly 4. Pull the latches to release the second module if necessary. 5. Insert a new module holding it at about a 30° angle and fit the connectors firmly into the memory slot. 6. The module will only fit one way as defined by its pin alignment. Make sure the module is seated as far into the slot as it will go.
Disassembly Removing the Keyboard Figure 10 Keyboard Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 2. Press at point to release the keyboard (Figure 10a). a. Release the keyboard by 3. Turn the computer over, remove the keyboard (Figure 10c).
Disassembly Removing the Wireless LAN Module Figure 11 Wireless LAN 1. Turn off the computer, turn it over to remove the battery (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard (Figure 11a).
Disassembly Wireless LAN, Combo, 3G & LTE Module Cables Note that the cables for connecting to the antennae on WLAN, WLAN & Bluetooth Combo, 3G and LTE modules are not labelled. The cables/covers (each cable will have either a black or transparent cable cover) are color coded for iden- tification as outlined in the table below.
Disassembly Removing the 3G Module Figure 12 3G Module Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 2. The 3G module will be visible at point on the mainboard (Figure 12a). a. Locate the 3G. 3.
Disassembly mSATA Module removal procedure: Figure 14 1. Turn off the computer, turn it over to remove the battery (page 2 - 5) and 3G (page 2 - 19). mSATA Module 2. The mSATA module will be visible at point on the mainboard (Figure 14a).
Appendix A: Part Lists This appendix breaks down the W940AU / W941AU / W945AUQ series notebook’s construction into a series of illustra- tions. The component part numbers are indicated in the tables opposite the drawings. Note: This section indicates the manufacturer’s part numbers. Your organization may use a different system, so be sure to cross-check any relevant documentation.
Part List Illustration Location The following table indicates where to find the appropriate part list illustration. Table A - 1 Part List Illustration Part W940AU W941AU W945AUQ Location page A - 3 page A - 4 Top - Positivo Top - Stand...
Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the W940AU / W941AU / W945AUQ notebook’s PCB’s. The following table in- dicates where to find the appropriate schematic diagram. Diagram - Page Diagram - Page Diagram - Page...
Download the BIOS computer model. 1. Go to www.clevo.com.tw and point to E-Services and click E-Channel. Note that BIOS versions 2. Use your user ID and password to access the appropriate download area (BIOS), and download the latest BIOS files...
BIOS Update Use the flash tools to update the BIOS 1. Make sure you are not loading any memory management programs such as HIMEM by holding the F8 key as you see the message “Starting MS-DOS”. You will then be prompted to give “Y” or “N” responses to the programs being loaded by DOS.
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