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Lenovo M490s Hardware Maintenance Manual
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Lenovo M490s Hardware Maintenance Manual

Lenovo M490s Hardware Maintenance Manual

Lenovo m490s
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Lenovo M490s

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  • Page 1 Hardware Maintenance Manual Lenovo M490s...
  • Page 2 Appendix A “Notices” on page 71. First Edition (January 2013) © Copyright Lenovo 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

  • Page 3: Table Of Contents

    Trademarks ....Locating FRUs and CRUs ..Major FRUs and CRUs..© Copyright Lenovo 2013...
  • Page 4 Hardware Maintenance Manual...

  • Page 5: About This Manual

    Important: • This manual is intended only for trained service technicians who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively. • Before servicing a Lenovo product, ensure that you read all the information in Chapter 1 “Safety information”...
  • Page 6 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels or stickers. Electrical safety Observe the following rules when working on electrical equipment. © Copyright Lenovo 2013...
  • Page 8 Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges.

  • Page 9: Safety Inspection Guide

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.

  • Page 10: Grounding Requirements

    • Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people. • Wear a grounded wrist strap against your skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap.
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 DANGER Hardware Maintenance Manual...
  • Page 13 Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO PERIGO Hardware Maintenance Manual...
  • Page 15 PERIGO PERIGO DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER DANGER VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Hardware Maintenance Manual...

  • Page 27: Chapter 2. General Checkout

    • Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force • Damage caused by the liquid spilled into the computer • Damage caused by the improper insertion of a PC card or the installation of an incompatible card © Copyright Lenovo 2013...

  • Page 28: Power System Checkout

    • Improper disc insertion or use of an optical drive • Diskette drive damage caused by pressure on the diskette drive cover, foreign material in the drive, or the insertion of a diskette with multiple labels • Damaged or bent diskette eject button •...

  • Page 29: Checking Operational Charging

    • Windows 8: Do one of the following: – Click Start ➙ Lenovo Solution Center ➙ System ➙ Battery. – Launch the Lenovo Settings program from the Start screen, and then click Power. To check the battery pack, do the following: 1.
  • Page 30 • If the voltage is more than +12.0 V dc, discharge the battery pack until the voltage becomes less than +12.0 V dc and then recharge the battery pack. If the voltage still is less than +12.0 V dc after recharging, replace the battery pack.

  • Page 31: Chapter 3. Important Service Information

    – Starting up from an external device For more information about the recovery solutions, refer to the help information system of the programs. Using passwords You can set the following types of passwords to protect unauthorized access to your computer. © Copyright Lenovo 2013...

  • Page 32: Power Management

    Attention: If you forget the password, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. • Power-on password: A power-on password protects the computer from being turned on by an unauthorized person.

  • Page 33: Hibernation Mode

    Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the hard disk drive. • The system is powered off. If you have defined one of the following actions as the event that causes the computer to enter hibernation mode, perform that action.
  • Page 34 Hardware Maintenance Manual...

  • Page 35: Chapter 4. Status Indicators

    • Solid orange: The battery discharge level is between 5% and 20%. • Fast-blinking orange: The battery charge or discharge level is 5% or less. • Off: The battery is detached or the computer is powered off. © Copyright Lenovo 2013...
  • Page 36 Table 1. Status indicators (continued) Indicator Meaning Caps Lock status To enable or disable Caps Lock mode, press the Caps Lock key. indicator • White: Caps Lock mode is enabled. You can type all alphabetic characters (A-Z) in uppercase directly. •...

  • Page 37: Chapter 5. Fn Key Combinations

    Has the same function as the Break key on a conventional keyboard. Fn+PgDn Has the same function as the Insert key on a conventional keyboard. Fn + up/down arrow Increases or decreases the display brightness level. Fn + left/right arrow Decreases or increases the sound volume. © Copyright Lenovo 2013...
  • Page 38 Hardware Maintenance Manual...

  • Page 39: Chapter 6. Locations

    Right-click button ac power connector Touch pad RJ45 Ethernet connector Left-click button USB 3.0 connectors Status indicators HDMI connector Power button Note: For the description of each status indicator, see Chapter 4 “Status indicators” on page 29. © Copyright Lenovo 2013...

  • Page 40: Bottom View

    CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request.

  • Page 41: Major Frus And Crus

    – Self-service CRUs: These CRUs unplug or are held by no more than two screws. Examples of these types of CRUs include the ac power adapter, power cord, battery, and hard disk drive. Other self-service CRUs depending on product design might include the memory module, wireless card, keyboard, and palm rest with finger print reader and touch pad.

  • Page 42: Lcd Frus And Crus

    Thermal module assembly Media card reader slot board Touch pad bracket Touch pad Touch pad cable Power board LCD FRUs and CRUs Lenovo M490s models use a 356-cm (14.0-inch), high-definition (HD), light-emitting diode (LED), liquid crystal display (LCD). Hardware Maintenance Manual...

  • Page 43: Looking Up Fru Information

    FRU description CRU ID LCD Bezel Hinges Camera and microphones board LCD cover Antennas LCD cable LCD panel Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to http://www.lenovo.com/serviceparts-lookup. Chapter 6 Locations...
  • Page 44 Hardware Maintenance Manual...

  • Page 45: Chapter 7. Fru Replacement Notices

    Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals.

  • Page 46: Screw Notices

    FRU that changed the symptoms. Screw notices The Lenovo notebook computer uses special nylon-coated screws that have the following characteristics: • They maintain tight connections. • They do not easily come loose, even with shock or vibration.

  • Page 47: Chapter 8. Removing Or Replacing A Fru

    Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/UserManuals.

  • Page 48: 1010 Battery Pack

    1010 Battery pack Removal steps of the battery pack DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Unlock the battery lock . Hold the battery latch in the unlocked position, and then remove the battery pack When installing: Install the battery pack in the slot.

  • Page 49: 1030 Memory Modules

    Removal steps of the bottom slot cover Remove the screws , and then remove the bottom slot cover Step Screw (quantity) Color Torque M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) 1030 Memory modules For access, remove these FRUs in order: •...
  • Page 50 Removal steps of the memory modules Release the two latches on both edges of the socket at the same time , and then carefully remove the memory module When installing: Insert the notched end of the memory module into the socket. Press the memory module firmly, and pivot it downward until it snaps into place.

  • Page 51: 1040 Hard Disk Drive Assembly

    1040 Hard disk drive assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 Important notice for replacing a hard disk drive Always try to run a low-level format before replacing a hard disk drive. This will cause all customer data on the hard disk to be lost.

  • Page 52: 1050 Pci Express Mini Card For Wireless Lan

    Remove the hard disk drive from the slot. When installing: Ensure that the hard disk drive connector is attached firmly. Removal steps of the hard disk drive bracket Remove the screws Torque Step Screw (quantity) Color M3 × 4 mm, flat-head, nylon-coated (4) Black 0.392 Nm (4.0 kgf-cm)

  • Page 53: 1060 Msata Solid-State Drive

    Removal steps of the PCI Express Mini Card for wireless LAN In steps , unplug the connectors by using the antenna RF connector or pick up the connectors with your fingers and gently unplug them. Then remove the screws Step Screw (quantity) Color Torque...

  • Page 54: 1070 Backup Battery

    Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data. • Before removing the drive, have the user make a backup copy of all the information on it if possible. •...

  • Page 55: 1080 Base Cover

    Removal steps of the backup battery DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Carefully pry the backup battery out using a screwdriver. 1080 Base cover For access, remove these FRUs in order: •...
  • Page 56 Removal steps of the base cover Remove the screws Torque Step Screw (quantity) Color M2.5 × 7 mm, flat-head, nylon-coated (12) Black 0.392 Nm (4.0 kgf-cm) Black 0.392 Nm M2.5 × 5 mm, flat-head, nylon-coated (1) (4.0 kgf-cm) Remove the base cover. Applying labels to the base cover The new base cover is shipped with a kit containing labels of several kinds.

  • Page 57: 1090 Media Card Reader Slot Board

    The following illustration shows the label locations on the base cover. Barcode label Bluetooth label KCC label Wireless LAN label Indonesia D side label PPT label for China 3G models Rating label Certificate of Authentication label (on Windows 7 models only) 1090 Media card reader slot board For access, remove these FRUs in order: •...

  • Page 58: 1110 Fingerprint Board Bracket And Fingerprint Board

    Removal steps of the media card reader slot board Remove the screw , and then detach the cable. Torque Step Screw (quantity) Color M2.5 × 3 mm, flat-head, nylon-coated (1) Black 0.392 Nm (4.0 kgf-cm) When installing: Ensure that the cable is attached firmly to the system board. Remove the media card reader slot board.
  • Page 59 Removal steps of the fingerprint board bracket and fingerprint board Remove the screw , and then remove the fingerprint board bracket Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Detach the fingerprint connector. When installing: Ensure that the connector is attached firmly to the system board.

  • Page 60: 1120 Thermal Module Assembly

    Remove the fingerprint board. 1120 Thermal module assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 • “1040 Hard disk drive assembly” on page 45 • “1080 Base cover”...
  • Page 61 Loosen the screws Remove the thermal module assembly. Attention: Be careful not to damage the connector. When installing: Before you attach the thermal module assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked as shown in the following illustrations.

  • Page 62: 1130 Dc-In Connector

    For models with a discrete thermal module assembly 1130 DC-in connector For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 • “1040 Hard disk drive assembly” on page 45 •...

  • Page 63: 1140 Power Board

    In step , open the LCD hinge by pivoting it upward. Then detach the connector When installing: Ensure that the connector is attached firmly to the system board. Remove the DC-in connector. 1140 Power board For access, remove these FRUs in order: •...
  • Page 64 Removal steps of the power board Remove the screws Torque Step Screw (quantity) Color M2.5 × 5 mm, flat-head, nylon-coated (3) Black 0.392 Nm (4.0 kgf-cm) In step , open the LCD hinge by pivoting it upward. Then detach the connector. When installing: Ensure that the connector is attached firmly to the system board.

  • Page 65: 1150 System Board Assembly

    1150 System board assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 • “1030 Memory modules” on page 43 • “1040 Hard disk drive assembly” on page 45 •...
  • Page 66 For models with a discrete thermal module assembly Removal steps of the system board assembly Remove the screws Torque Step Screw (quantity) Color M2.5 × 5 mm, flat-head, nylon-coated (6) Black 0.392 Nm (4.0 kgf-cm) When installing: Ensure that all the connectors are attached firmly. Hardware Maintenance Manual...
  • Page 67 Open the LCD hinges by pivoting them upward. Detach the connectors. When installing: Ensure that all the connectors are attached firmly to the system board. Chapter 8 Removing or replacing a FRU...

  • Page 68: 1160 Touch Pad Assembly, Speakers, Keyboard Bezel, And Lcd Unit

    Remove the screws , and then remove the system board assembly Step Screw (quantity) Color Torque M2.5 × 3 mm, flat-head, nylon-coated (3) Black 0.392 Nm (4.0 kgf-cm) 1160 Touch pad assembly, speakers, keyboard bezel, and LCD unit For access, remove these FRUs in order: •...
  • Page 69 Removal steps of the touch pad assembly, speakers, keyboard bezel, and LCD unit Remove the screws and then remove the touch pad bracket Step Screw (quantity) Color Torque M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Remove the touch pad.

  • Page 70: 2010 Lcd Front Bezel

    Remove the keyboard bezel. 2010 LCD front bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1160 Touch pad assembly, speakers, keyboard bezel, and LCD unit” on page 62 Removal steps of the LCD front bezel Remove the screws Step Screw (quantity)

  • Page 71: 2020 Camera And Microphone Board

    Remove the LCD front bezel. When installing: Ensure that all the latches are attached firmly. Then secure the bezel with the screws. 2020 Camera and microphone board For access, remove these FRUs in order: • “1010 Battery pack” on page 42 •...

  • Page 72: 2030 Lcd Panel, Lcd Cable, And Hinges

    Removal steps of the camera and microphone board Detach the connector and then peel off the camera and microphone board Note: The camera and microphone board is adhered to the top center of the LCD cover. When installing: Adhere the camera and microphone board to the top center of the LCD cover and adjust the placement to ensure that the connector is attached firmly.
  • Page 73 Removal steps of the LCD panel and LCD cable Remove the screws , and then remove the LCD panel Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) Turn over the LCD panel. Then detach the LCD cable. When installing: Ensure that the cable is attached firmly.

  • Page 74: 2040 Antenna Assembly And Lcd Rear Cover

    Removal steps of the hinges Remove the screws Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) Remove the hinges. 2040 Antenna assembly and LCD rear cover For access, remove these FRUs in order: •...
  • Page 75 Removal steps of the antenna assembly and LCD rear cover Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges. Cable routing: Route the antenna cables along the cable guides and secure the antenna boards with tapes. Attention: When you route the cables, ensure that they are not subject to any tension.
  • Page 76 Hardware Maintenance Manual...

  • Page 77: Appendix A. Notices

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 78: Electronic Emissions Notices

    User Guide. EU contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo OneKey Microsoft and Windows are trademarks of the Microsoft group of companies.

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