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Preface Notebook Computer W740SU Service Manual...
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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 W740SU se- ries 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 °...
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Preface Contents Introduction ..........1-1 Schematic Diagrams......... B-1 Overview ..................1-1 System Block Diagram ..............B-2 Specifications ..................1-2 TPM ....................B-3 External Locator - Top View with LCD Panel Open ......1-4 Processor 1/7-DMI, FDI, PEG ............B-4 External Locator - Front & Right Side Views .........1-5 Processor 2/7- CLK, MISC .............B-5 External Locator - Left Side &...
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Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the W740SU series notebook computer. Information about operating the computer (e.g. getting started, and the Setup utility) is in the User’s Manual. Information about dri- vers (e.g.
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Introduction Specifications Processor Options Keyboard Intel® Core™ i7 Processor “WinKey” keyboard (with embedded numeric keypad) i7-4750HQ (2.0GHz) Pointing Device 6MB L3 Cache, 22nm, DDR3L-1600MHz, TDP 47W Built-in Touchpad Core Logic Latest Specification Information Interface The specifications listed here are correct at the Intel®...
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Introduction Communication Built-In Gigabit Ethernet LAN 1.0M HD PC Camera Module WLAN/ Bluetooth Half Mini-Card Modules: (Factory Option) Intel® Centrino® Advanced-N 6235 Wireless LAN (802.11a/g/n) + Bluetooth 4.0 (Factory Option) Intel® Centrino® Advanced-N 6205 Wireless LAN (802.11a/g/n) (Factory Option) Third-Party Wireless LAN (802.11b/g/n) (Factory Option) Third-Party Wireless LAN (802.11b/g/n) + Bluetooth 4.0 Environmental Spec...
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Introduction External Locator - Top View with LCD Panel Open Figure 1 Top View 1. Built-in PC Camera (Optional) 2. PC Camera LED 3. Built-In Microphone 4. LCD 5. Power Button 6. Keyboard 7. Touchpad & Buttons 1 - 4 External Locator - Top View with LCD Panel Open...
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Introduction External Locator - Front & Right Side Views Figure 2 Front View 1. LED Power Indicator FRONT VIEW Figure 3 Right Side View 1. Headphone-Out RIGHT SIDE VIEW Jack 2. Microphone-In Jack 3. USB 3.0 Port 4. 1 * Powered (AC/ DC) USB 3.0 Port 5.
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Introduction External Locator - Left Side & Rear View Figure 4 Left Side View 1. Vent/Fan Intake/ Outlet 2. DC-In Jack LEFT SIDE VIEW 3. RJ-45 LAN Jack 4. Mini Display Port 5. HDMI-Out Port Figure 5 REAR VIEW Rear View 1.
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Introduction External Locator - Bottom View Figure 6 Bottom View 1. Vent/Fan Intake/ Outlet 2. Speakers Overheating To prevent your com- puter from overhea- ting, make sure no- thing blocks any vent while the computer is in use. External Locator - Bottom View 1 - 7...
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Introduction Mainboard Overview - Top (Key Parts) Figure 7 Mainboard Top Key Parts 1. Mini-Card Connector (mSATA Module) 2. Memory Slots DDR3 SO-DIMM x 2 3. Mini-Card Connector (WLAN Module) 4. Intel CPU 5. Platform Controller 6. CMOS Battery 1 - 8 Mainboard Overview - Top (Key Parts)
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Introduction Mainboard Overview - Top (Connectors) Figure 9 Mainboard Top Connectors 1. DC-In Jack 2. RJ-45 LAN Jack 3. Mini Display Port 4. HDMI-Out Port 5. EDP Connector 6. Speaker Connector 7. LED Connector 8. TP Connector 9. CCD Connector 10.
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Chapter 2: Disassembly Overview This chapter provides step-by-step instructions for disassembling the W740SU 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.
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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 •...
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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.
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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: 1. Remove the battery page 2 - 5 To remove the HDD: 1.
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Disassembly Removing the Battery Figure 1 Battery Removal 1. Turn the computer off, and turn it over. 2. Remove screws from the bottom cover (Figure 1a a. Remove the screws. 3. Lift the bottom cover from point (Figure 1b b. Remove the bottom cov- 4.
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Disassembly Removing the Hard Disk Drive Figure 2 HDD Assembly The hard disk drive can be taken out to accommodate other 2.5" serial (SATA) hard disk drives with a height of 9.5mm Removal (cont’d.) or 7mm (h). Follow your operating system’s installation instructions, and install all necessary drivers and utilities (as outlined in Chapter 4 of the User’s Manual) when setting up a new hard disk.
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Disassembly Removing the Keyboard Figure 3 Keyboard Removal 1. Turn off the computer, turn it over, remove the battery (page 2 - 2. Lift the center cover at point toward the direction of the arrow (Figure 4a). a. Lift the center cover. 3.
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Disassembly 6. Carefully lift up the keyboard off the computer (Figure 5d). Figure 4 7. Remove the keyboard shielding plate up and off the bottom case (Figure 5e). Keyboard Removal 8. Reverse the process to install a new keyboard. (cont’d.) d.
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Disassembly Removing the System Memory (RAM) Figure 5 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 8GB. The SO-DIMM modules supported are 1024MB and 2048MB DDRIII Modules.
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Disassembly Removing the Wireless LAN Module Figure 6 Wireless LAN 1. Turn off the computer, turn it over, remove the battery (page 2 - 5) and keyboard (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard and keyboard ribbon cable under the Wire- less LAN module (Figure...
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Disassembly Removing the mSATA Module Figure 7 mSATA Module 1. Turn off the computer, turn it over, remove the battery (page 2 - 5) and keyboard (page 2 - Removal 2. The mSATA module will be visible at point on the mainboard (Figure 8a).
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Appendix A:Part Lists This appendix breaks down the W740SU series notebook’s construction into a series of illustrations. 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.
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Part List Illustration Location The following table indicates where to find the appropriate part list illustration. Table A - 1 Part List Illustration Part Location page A - 3 Top-Bottom page A - 4 page A - 5 A - 2...
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Top-Bottom Figure A - 1 Top-Bottom Top-Bottom A - 3...
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Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the W740SU notebook’s PCB’s. The following table indicates where to find the appropriate schematic diagram. Diagram - Page Diagram - Page Diagram - Page Table B - 1...
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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