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Preface Notebook Computer W950BU / W955BU 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 W950BU / W955BU 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 1.
Chapter 1: Introduction Overview This manual covers the information you need to service or upgrade the W950BU / W955BU 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.
*When the PC camera is in use, the LED will be illuminated in red. 3. Built-In Microphone (W950BU only) 4. LCD 5. Power Button 6. Keyboard 7. Touchpad & Buttons 1 - 4 External Locator - Top View with LCD Panel Open...
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 Ports 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 W950BU / W955BU 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 Keyboard: 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. Slide the latch in the direction of the arrow (Figure 1a a. Slide the latch and hold it 3. Slide the latch in the direction of the arrow, and hold it in place (Figure 1a in place.
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 7.0mm Removal (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 5. Slightly lift and pull the hard disk assembly in the direction of arrow (Figure 3d Figure 3 6. Lift the hard disk assembly out of the bay (Figure 3e HDD Assembly 7. Remove the screws and the adhesive cover from the hard disk (Figure 3f Removal (cont’d.)
Disassembly Removing the Optical (CD/DVD) Device Figure 4 Optical Device 1. Turn off the computer, turn it over to remove the battery (page 2 - 5) and bottom cover (page 2 - Removal 2. Carefully pull out the optical device out of the bay at point (Figure 4a).
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Disassembly 5. Reverse the process to attach the front bezel with the new optical device at point (Figure 5e). Figure 5 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 Caddy/Second Hard disk Figure 6 1. Turn off the computer, turn it over to remove the battery (page 2 - 5) and bottom cover (page 2 - Caddy/2nd HDD 2. Carefully pull out the caddy out of the bay at point (Figure 6a).
Disassembly Removing the System Memory (RAM) Figure 7 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 1066/1333 MHz. The main memory can be expanded up to 8GB. The SO-DIMM modules supported are 1024MB and 2048MB DDR3L Modules.
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Disassembly 4. Pull the latches to release the second module if necessary. Figure 8 5. Insert a new module holding it at about a 30° angle and fit the connectors firmly into the memory slot. RAM Module 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 Assembly as it will go.
Disassembly Removing the M.2 SSD Module Figure 9 M.2 SSD Module 1. Turn off the computer, turn it over, remove the battery (page 2 - Removal 2. The M.2 SSD module will be visible at point on the mainboard (Figure 9a).
Disassembly Removing the Keyboard Figure 10 Keyboard Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 2. Remove screws from the bottom case and press at point to release the keyboard (Figure 10a). a.
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Disassembly 6. Connect the keyboard ribbon cable to the locking collar socket , and be careful not to bend the keyboard ribbon Figure 11 cable (Figure 11d). Keyboard Assembly 7. Insert the keyboard at point and then slide the keyboard in at point (Figure 11e).
Disassembly Removing the 3G Module Figure 12 3G Module Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 5) and bottom cover (page 2 - 2. The 3G module will be visible at point on the mainboard (Figure 12a).
Disassembly Removing the Wireless LAN Module Figure 13 Wireless LAN 1. Turn off the computer, turn it over to remove the battery (page 2 - 5) and bottom cover (page 2 - Module Removal 2. The Wireless LAN module will be visible at point on the mainboard (Figure 13a).
Disassembly Wireless LAN and Combo Module Cables Note that the cables for connecting to the antennae on WLAN and WLAN & Bluetooth Combo modules are not labelled. The cables/covers (each cable will have either a black or transparent cable cover) are color coded for identification as outlined in the table below.
Disassembly Removing the CCD Figure 14 CCD Removal 1. Turn off the computer, turn it over to remove the battery (page 2 - 2. Run your fingers around the inner frame of the LCD panel at the points as indicated by the arrows (Figure a.
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Disassembly 5. Disconnect the cable Figure 15 6. Remove the CCD module (Figure 15f). CCD Removal 7. Reverse the process to install a new CCD module. (cont’d) d. Disconnect the cable. e. Remove the CCD mod- ule. 7. CCD Module 2 - 20 Removing the CCD...
Appendix A:Part Lists This appendix breaks down the W950BU / W955BU 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.
Part List Illustration Location The following table indicates where to find the appropriate part list illustration. Table A - 1 Part List Illustration Part W950BU W955BU Location page A - 3 page A - 4 Bottom page A - 5...
Schematic Diagrams Appendix B: Schematic Diagrams This appendix has circuit diagrams of the W950BU / W955BU notebook’s PCB’s. The following table indicates where to find the appropriate schematic diagram. Diagram - Page Diagram - Page Diagram - Page Table B - 1...
Schematic Diagrams Power SW Board POWER SW & LED(W94/W95) S_3.3VS POWER SWITCH 330_04 20mil *0.1u_10V_X5R_04 SJ_SW1 AVL18S02015 SMGND SMGND SM_BTN# CLOSE TO SC2 S_3.3VS 20mil SMGND 50578-0040N-001 Sheet 34 of 39 PCB Footprint = 85201-0405L-1 FOR W940TU FOR W950TU Power SW Board SMGND POWER BUTTON SPWR_SW1...
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 “EFI Shell”. You will then be prompted to give “Y” or “N” responses to the programs being loaded by EFI Shell.