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Lenovo IdeaCentre C240 Hardware Maintenance Manual
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Lenovo IdeaCentre C240 Hardware Maintenance Manual

Lenovo IdeaCentre C240 Hardware Maintenance Manual

Machine types: 10113/6268 [c240];10114/6269 [c245];10137/f0a1 [c255]
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Download this manual See also: Maintenance Manual, User Manual
Lenovo C240/245/255 All-In-One PC
Hardware Maintenance Manual
Machine Types: 10113/6268 [C240];10114/6269 [C245];10137/F0A1
[C255]

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Summary of Contents for Lenovo IdeaCentre C240

  • Page 1 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual Machine Types: 10113/6268 [C240];10114/6269 [C245];10137/F0A1 [C255]...
  • Page 3 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual Machine Types: 10113/6268 [C240];10114/6269 [C245];10137/F0A1 [C255]...
  • Page 4 Fourth Edition (July 2013)25th © Copyright Lenovo 2012, 2013. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No.

  • Page 5: Table Of Contents

    Selecting a startup device ..Changing booting mode ... Chapter 9. FRU lists-C240–245 ..47 Exiting the Lenovo BIOS Setup Utility program . .
  • Page 6 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 7: Chapter 1. About This Manual

    This manual contains service and reference information for Lenovo C240/C245/C255 All-In-One computers listed on the cover. It is intended only for trained servicers who are familiar with Lenovo computer products. Before servicing a Lenovo product, be sure to read the Safety Information.
  • Page 8 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 9: Chapter 2. Safety Information

    Electrical current from power, telephone, and communication cables can be hazardous. To avoid personal injury or equipment damage, disconnect any attached power cords, telecommunication cables, network cables, and modem cables before you open the computer covers, unless instructed otherwise in the installation and configuration procedures. © Copyright Lenovo 2012, 2013...
  • Page 10 – Blowers and fans – Motor generators and similar units. (This practice ensures correct grounding of the units.) • If an electrical accident occurs: – Use caution; do not become a victim yourself. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 11: Safety Inspection Guide

    – Switch off power. – Send another person to get medical aid. Safety inspection guide The intent of this inspection guide is to assist you in identifying potential hazards posed by these products. Each computer, as it was designed and built, had required safety items installed to protect users and service personnel from injury.

  • Page 12: Grounding Requirements

    • Connect and disconnect cables as described in the following table when installing, moving, or opening covers on this product or attached devices. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...
  • Page 13 To Connect To Disconnect 1. Turn everything OFF. 1. Turn everything OFF. 2. First, attach all cables to devices. 2. First, remove power cords from outlets. 3. Attach signal cables to connectors. 3. Remove signal cables from connectors. 4. Attach power cords to outlet. 4.
  • Page 14 To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on top of rack-mounted devices. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 15: Chapter 3. General Information

    This section lists the physical specifications. Environment Air temperature: Operating: 10° to 35°C Transit: -20° to 55°C Humidity: Operating: 35% to 80% Transit: 20% to 90% (40°C) Altitude: 86KPa to 106KPa Electrical input: Input voltage: 90V-264V(AC) Input frequency: 47Hz-63Hz © Copyright Lenovo 2012, 2013...
  • Page 16 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 17: Chapter 4. General Checkout

    • If the computer displays a POST error, go to “POST error codes”. • If the computer hangs and no error is displayed, continue at step 7. 7. If the test stops and you cannot continue, replace the last device tested. © Copyright Lenovo 2012, 2013...
  • Page 18 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 19: Chapter 5. Using The Setup Utility

    1. If your computer is already on when you start this procedure, shut down the operating system and turn off the computer. 2. Press and hold the F1 key then turn on the computer. When the Lenovo BIOS Setup Utility program is displayed, release the F1 key.
  • Page 20 Administrator Password if you are responsible for maintaining the settings of several computers. After you set an Administrator Password, a password prompt is displayed every time you access the Lenovo BIOS Setup Utility program. If both the Administrator and Power-On Password are set, you can type either password. However, you must use your Administrator Password to change any configuration settings.

  • Page 21: Enabling Or Disabling A Device

    Power-On Password When a Power-On Password is set, you cannot start the Lenovo BIOS Setup Utility program until a valid password is typed from the keyboard. Setting, changing, or deleting a Power-On Password Note: A password can be any combination of letters and numbers up to 16 characters (a-z and 0-9).

  • Page 22: Selecting A Startup Device

    Select Network Setup, press the Enter key, then select Onboard Ethernet Support or LAN Boot Agent. 4. Select Disabled or Enabled and press the Enter key. 5. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Select Save Changes and Exit from the menu. Notes: a.

  • Page 23: Changing Booting Mode

    Exiting the Lenovo BIOS Setup Utility program After you finish viewing or changing settings, press the Esc key to return to the Lenovo BIOS Setup Utility program main menu. You might have to press the Esc key several times. Do one of the following: •...
  • Page 24 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 25: Chapter 6. Symptom-To-Fru Index

    Check that the following are properly installed: Reseat connectors • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor connections Check the power cord. Power Cord Check the power-on switch. Power-on Switch © Copyright Lenovo 2012, 2013...

  • Page 26: Post Error Codes

    3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or component. If all devices and components have been removed and the problem continues, replace the system board. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 27: Chapter 7. Locating Connectors, Controls And Components

    Attention: Be careful not to block any air vents on the computer. Blocked air vents can cause overheating. 1. Built-in microphone 6. Volume down 2. Built-in camera 7. Volume up 3. System Power On/Off indicator 8. Brightness down 4. Hard disk drive indicator 9. Brightness up 5. Wi-Fi status indicator © Copyright Lenovo 2012, 2013...
  • Page 28 The following illustration shows the location of connectors, controls and components on the left and right side of the computer. 1. Optical drive 4. Microphone connector 2. Memory card reader 5. Headphone connector 6. Power button 3. USB 3.0 connectors (selected models only) Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...
  • Page 29 Rear view The following illustration shows the location of connectors and components on the rear of the computer. 1. Power connector 4. Ethernet connector 2. HDMI-out connector (selected models only) 5. Air vents 3. USB 2.0 connectors (selected models only) Chapter 7 Locating connectors, controls and components...
  • Page 30 11. Converter board 4. Optical drive 12. Heat-sink module 5. Front indicator board 13. System fan 6. Power switch board 14. Hard disk drive 7. Speaker system 15. Computer stand 8. Rear cover Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...
  • Page 31 Identifying parts on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer. It provides basic computing functions and supports a variety of devices that are factory-installed or that can be installed later. The following illustration shows the location of connectors and components on the front of the motherboard.
  • Page 32 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 33: Chapter 8. Replacing Hardware

    Attention: Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and Warranty Guide, go to the Support Web site at: http://support.lenovo.com. Note: Use only parts provided by Lenovo.

  • Page 34: Replacing The Keyboard And Mouse

    Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...
  • Page 35 Step 4. Push a small iron stick (paper clip) into the small hole on the optical drive cover so that the disk springs out as shown. Step 5. Remove the screw that secures the optical drive to the chassis. Step 6. Slide out the optical drive as shown.

  • Page 36: Replacing The Power Adapter

    Locate the connector for the power cord. Refer to “Rear view”. Step 3. Disconnect the failing power adapter from the computer. Step 4. To install the new power adapter: Connect the new power adapter to the same connector. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 37: Removing The Rear Cover

    Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the touch screen from scratches or other damage.

  • Page 38: Replacing A Memory Module

    Remove any media (disks, CDs, DVDs or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 39: Replacing The Heat-Sink

    Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4.

  • Page 40: Replacing The System Fan

    Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4. Remove the rear cover. Refer to "Removing the rear cover". Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 41: Replacing The Wi-Fi Card

    Step 5. Disconnect the power cable from the connector on the motherboard. Step 6. Remove the 2 screws that secure the system fan to the rear cover. Step 7. Lift up the system fan to remove it. Step 8. To install the new system fan: Line up the new system fan with the mounting holes on the rear cover and place it into position.

  • Page 42: Replacing The Speaker System

    Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4. Remove the rear cover. Refer to "Removing the rear cover". Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 43: Replacing The Front Indicator Board

    Step 5. Disconnect the speaker cable from the connector on motherboard. Step 6. Detach the speaker system from the rubber screws. Step 7. To install the new speaker system: Secure the new speaker system to the chassis with the rubber screws. Connect the new speaker cable to the connector on the motherboard.

  • Page 44: Replacing The Power Switch Board

    Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4. Remove the rear cover. Refer to "Removing the rear cover". Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 45: Replacing The Motherboard

    Step 5. Disconnect the power switch board cable from the connector on the motherboard. Step 6. Remove the screw that secures the power switch board to the rear cover and lift up the power switch board to remove it. Step 7. To install the power switch board: Line up the holes on the new power switch board with the mounting holes on the rear cover and secure the new power switch board with the screws.
  • Page 46 7 screws. Attach the heat-sink, Wi-Fi card, memory modules to the new motherboard. Connect all the cables to the new motherboard. Step 11. Reattach the rear cover and secure it with the screws. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 47: Replacing The Computer Stand

    Replacing the computer stand Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the rear cover. To replace the computer stand: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices.

  • Page 48: Replacing The Converter Board

    Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4. Remove the rear cover. Refer to “Removing the rear cover”. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 49: Replacing The Led Panel

    Step 5. Disconnect the 2 cables from the converter board. Step 6. Remove the 2 screws that secure the converter board to the bracket. Step 7. Lift up the converter board to remove it. Step 8. To install the new converter board: Line up the holes in the new converter board with the mounting holes on the bracket and secure the new converter board with the 2 screws.
  • Page 50 Press the pin to unlock the converter cable from the connector on the LED panel , then pull the converter cable out as shown. Step 10. Remove the 2 screws that secure the LED panel to the front bezel. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...
  • Page 51 Step 11. The LED panel is pined to the front bezel. Pull the pins outward to release it , then slide out the LED panel out as shown. Step 12. To install the new the LED panel: Line up the new LED panel with the front bezel, then slide it into position. Secure the LED panel to the front bezel with the 2 screws.
  • Page 52 Panel Brand PJP 6 Setting PJP 7 Setting LG(18.5'' )-LM185WH2-TLK1 CMI(18.5'')-M185BGE-L23 AUO(18.5'')-M185XTN01.3 BOE(18.5'')-B3 HT185WX1-300 Step 13. Reattach the rear cover and secure it with the screws. Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 53: Chapter 9. Fru Lists-C240-245

    Chapter 9. FRU lists-C240–245 This chapter lists the information on the field replaceable units (FRUs) for Lenovo C240–245 All-In-One desktop computers. Attention: Be sure to read and understand all the safety information before replacing any FRUs. Notes: FRUs that have a 1 or 2 in the CRU column are Customer Replaceable Units (CRUs).
  • Page 54 HLDS GT50N 25201635 25209016 PLDS DS-8A9SH HLDS GT80N 25209015 Front indicator board 90001851 C240 LED BAORD W/FFC Power switch board 90001850 C240/5 FUNCTION POWER BOARD W/FFC Speaker system 90202138 C240/5 SPEAKER W/RUBBER*2 Rear cover Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...
  • Page 55 C240 REAR COVER W/ODD (BLACK) 90202161 90202162 C240 REAR COVER W/ODD (WHITE) C240 REAR COVER W/O ODD (BLACK) 90202212 90202213 C240 REAR COVER W/O ODD (WHITE) Camera Bison M720P VC OV9712 CAM 20200085 20200086 CCY M720P VC OV9712 CAM Converter board bracket...
  • Page 56 C240 STAND (BLACK) 90202158 90202159 C240 STAND (WHITE) Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 57: Chapter 10. Fru Lists-C255

    Chapter 10. FRU lists-C255 This chapter lists the information on the field replaceable units (FRUs) for Lenovo C255 All-In-One desktop computer. Attention: Be sure to read and understand all the safety information before replacing any FRUs. Notes: FRUs that have a 1 or 2 in the CRU column are Customer Replaceable Units (CRUs).
  • Page 58 C240 REAR COVER W/O ODD (WHITE) Foot C240 RUBBER FOOT BLACK(L) 90202163 90202164 C240 RUBBER FOOT BLACK(R) C240 RUBBER FOOT WHITE(L) 90202165 90202166 C240 RUBBER FOOT WHITE(R) EMI cover C245 MB SHIELDING 90202167 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...
  • Page 59 M471B5773DH0-YK0 2GB D3L-1600S MEMORY 1100642 1100643 HMT425S6AFR6A-PB 2GB D3L-1600S MEMORY MT8KTF25664HZ-1G6M1 2GB D3L-1600SMEMORY 1100228 1100750 Ramaxel Elp_R J2108EDBG-GN-F 2GB D3L-1600S Mic_S D9PFJ 2GB D3L-1600S MEMORY 1100683 1100637 M471B5273DH0-YK0 4G D3L-1600S MEMORY HMT451S6AFR8A-PB 4G D3L-1600S MEMORY 1100638 1100639 MT8KTF51264HZ-1G6J1 4G D3L-1600S MEMORY Elp_R J4208EBBG-GN-F 4GB D3L-1600S MEMORY 1100640 1100672...
  • Page 60 Sunrex EKB-10YA(IN) W-Silk USB KB-LVT8 25209150 Sunrex EKB-10YA(RU) W-Silk USB KB-LVT8 25209151 Sunrex EKB-10YA(UK) W-Silk USB KB-LVT8 25209152 25209153 Sunrex EKB-10YA(Nordic) W-S USB KB-LVT8 Sunrex EKB-10YA(LA) W-Silk USB KB-LVT8 25209154 25209155 Sunrex EKB-10YA(AR) W-Silk USB KB-LVT8 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...
  • Page 61 Sunrex EKB-10YA(SW) W-Silk USB KB-LVT8 25209156 25209157 Sunrex EKB-10YA(GE) W-Silk USB KB-LVT8 Sunrex EKB-10YA(TR) W-Silk USB KB-LVT8 25209158 25209159 Sunrex EKB-10YA(SP) W-Silk USB KB-LVT8 Sunrex EKB-10YA(SL) W-Silk USB KB-LVT8 25209160 25209161 Sunrex EKB-10YA(IT) W-Silk USB KB-LVT8 Sunrex EKB-10YA(HB) W-Silk USB KB-LVT8 25209162 25209163 Sunrex EKB-10YA(FR) W-Silk USB KB-LVT8...
  • Page 62 Volex 1m C5 Korea Power Cable 31049498 31503358 Luxshare1.0m C5 Korea Power Cable Longwell Black Single-end 1.0m SA C5 Power Cable ® 31039105 31049501 Volex 1m C5 SA Power Cable Luxshare1.0m C5 SA Power Cable 31503355 Lenovo C240/245/255 All-In-One PC Hardware Maintenance Manual...

  • Page 63: Chapter 11. Additional Service Information

    • Wake Up on Alarm: You can specify a date and time at which the computer will be turned on automatically. This can be either a single event , a daily event or a weekly event. • Wake Up on LAN: This feature allows LAN adapter card to wake the System. © Copyright Lenovo 2012, 2013...

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