Lenovo C325 Hardware Maintenance Manual
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Lenovo C325 Hardware Maintenance Manual

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Lenovo C2/C3 Hardware Maintenance Manual

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  • Page 1 Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 3: Table Of Contents

    POST error codes ... . . Undetermined problems ... © Copyright Lenovo Chapter 7. Replacing hardware ..21 General information .
  • Page 4 Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 5: Chapter 1. About This Manual

    This manual contains service and reference information for Lenovo C220/C225/C320/C325 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 6 Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 7: Chapter 2. Safety Information

    Observe the following rules when working on electrical equipment. © Copyright Lenovo...
  • Page 8 (This practice ensures correct grounding of the units.) • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 9: Safety Inspection Guide

    Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injury. This guide addresses only those items. However, good judgment should be used to identify potential safety hazards due to attachment of features or options not covered by this inspection guide.

  • Page 10: 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 C2/C3 Hardware Maintenance Manual...
  • Page 11 To Connect 1. Turn everything OFF. 2. First, attach all cables to devices. 3. Attach signal cables to connectors. 4. Attach power cords to outlet. 5. Turn device ON. CAUTION: When replacing the lithium battery, use only Part Number 45C1566 or an equivalent type battery recommended by the manufacturer.
  • Page 12 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 C2/C3 Hardware Maintenance Manual...

  • Page 13: Chapter 3. General Information

    This chapter provides general information that applies to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type Lenovo C220/C225/C320/C325 This section lists the physical specifications. Environment Air temperature: Operating: 10°...
  • Page 14 Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 15: Chapter 4. General Checkout

    What, when, where, single, or multiple systems? Is the failure repeatable? Has this configuration ever worked? If it has been working, what changes were made prior to it failing? Is this the original reported failure? • Diagnostics version Type and version level © Copyright Lenovo...
  • Page 16 6. Have the same configuration options set in the system 7. Have the same setup for the operation system control files Comparing the configuration and software set-up between “working and non-working” systems will often lead to problem resolution. Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 17: Chapter 5. Using The Setup Utility

    • Must have at least seven characters in length • Contain at least one alphabetic character and one numeric character • Setup Utility program and hard disk drive passwords are not case sensitive • Not be your name or your user name © Copyright Lenovo...
  • Page 18 3. The password dialog box will be displayed. Type the new password, and press Enter. 4. when prompted to confirm the password, type the password again. If you type the password correctly, the password will be installed. Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 19: Using Device

    To delete a previously set Power-On Password, do the following : 1. From the Security menu, select Set Power-On Password and press Enter. 2. The password dialog box will be displayed. Enter Current Password and press Enter. Press Enter in New Password and confirm New Password dialog.

  • Page 20: Exiting From The Setup Utility Program

    When you finish viewing or changing settings, press Esc to return to the Setup Utility program menu (you might have to press Esc several times). If you want to save the new settings, select Save changes and Exit before you exit. Otherwise, your changes will not be saved. Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 21: Chapter 6. Symptom-To-Fru Index

    • System Board Power Supply connectors • Microprocessor(s) connection Check the power cord for continuity. Check the power-on switch for continuity. © Copyright Lenovo FRU/Action Check the configuration and ensure the start-up drive is in the boot sequence. Install an operating system on the boot drive.

  • Page 22: Post Error Codes

    2. Remove or disconnect the following components (if installed) one at a time. a. External devices (modem, printer, or mouse) b. Any adapters Lenovo C2/C3 Hardware Maintenance Manual Description/Action The CMOS Date and/or Time are invalid. This error can be resolved by readjusting the system time in AMI BIOS Setup.
  • Page 23 c. Memory modules d. Extended video memory e. External Cache f. External Cache RAM g. Hard disk drive h. Diskette drive 3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or adapter. If all devices and adapters have been removed, and the problem continues, replace the system board.
  • Page 24 Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 25: Chapter 7. Replacing Hardware

    Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com. Note: Use only parts provided by Lenovo.

  • Page 26: Hardware Components

    9. Touch camera module and glass 10. Front bezel 11. B-CAS card 12. Converter 13. Touch control board 14. Camera Lenovo C2/C3 Hardware Maintenance Manual 15. Function button board 16. Power and front LED board 17. RAM 18. WLAN card 19. TV turner card 20.
  • Page 27 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 you can install later. The following illustration shows the locations of parts on the motherboard for model C220.
  • Page 28 3. ODD Power 4. ODD SATA 5. LVDS 6. HDD SATA 7. HDD Power 8. DC Jack 9. Function Board Lenovo C2/C3 Hardware Maintenance Manual 10. Power Board 11. I/O Board 12. Speaker 13. USB connector 14. Microphone connector 15. Headphone connector 16.
  • Page 29 The following illustration shows the locations of parts on the motherboard for model C320. 1. System fan 2. Touch Screen 3. Converter 4. ODD Power 5. ODD SATA 6. LVDS 7. HDD SATA 8. HDD Power 9. AC in 10. Function Board 11.

  • Page 30: Replacing A Memory Module

    Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the 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 31: Replacing The Optical Drive

    Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the 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 32 Remove the 2 screws that secure the optical drive to the metal bracket. Step 9. Use a small flat head screwdriver to press and push out the pins that secure the cover to the disk. Step 10. Separate the cover from the defective optical drive. Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 33: Replacing The Hard Disk Drive

    Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the 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 34 Spring up the handle on the hard disk drive bay, then slide and lift the hard disk drive bay out of the chassis as shown. Step 7. Remove the 4 screws that secure the hard disk drive to the disk bay and slide the defective hard disk drive out of the bay. Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 35: Replacing The Keyboard And Mouse

    Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the 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 36: Replacing The Power Cord

    Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the 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 37 Note: For this procedure, it helps to place the computer face-down on a soft flat surface. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the screen surface from scratches or other damage. Step 1.

  • Page 38: Removing The Computer Cover

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 39: Replacing The Converter Board

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 40: Removing The Computer Stand

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 41: Removing The Emi Cover

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 42: Replacing The System Fan

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.
  • Page 43 Step 2. Unplug all power cords from electrical outlets. 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”...

  • Page 44: Replacing The Tv Tuner Card

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 45: Replacing The Wlan Card

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 46: Replacing The Heatsink

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.
  • Page 47 For model C220 refer to the below illustration. For models C225 and C325 refer to the below illustration. For model C320 refer to the below illustration. Chapter 7 Replacing hardware...

  • Page 48: Replacing The Cpu

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.
  • Page 49 Note: Note the orientation of the notches 1 on the microprocessor. This is important when installing the new microprocessor on the motherboard. Note: Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. Step 12.

  • Page 50: Replacing The Rear I/O Module

    Step 18. Reattach the heatsinl, the EMI cover, the computer cover, the speaker cover, the hard disk drive cover and the optical disk drive. Replacing the rear I/O module Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer cover. Lenovo C2/C3 Hardware Maintenance Manual...
  • Page 51 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 computer screen from scratches or other damage.

  • Page 52: Replacing The Speaker System

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 53: Replacing The Motherboard

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.
  • Page 54 Step 17. Place the new motherboard into the chassis, aligning the screw holes in the motherboard with the mounting holes in the chassis. Step 18. Secure the new motherboard to the chassis using the screws. Step 19. Attach all related components to the new motherboard. Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 55: Replacing The Camera

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 56: Replacing The Front Indicator And Power Button Board

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 57: Replacing The Front Function Board

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.

  • Page 58: Replacing The Led Panel

    Note: Turn off the computer and wait 3 to 5 minutes to let the computer cool down before removing the computer 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 computer screen from scratches or other damage.
  • Page 59 Step 11. Remove the 4 screws that secure the LED panel to the chassis from the LED panel to remove the LED panel from the chassis. Step 12. Connect the signal cable to the new LED panel. Step 13. Align the 4 mounting holes on the LED panel brackets with the holes in the chassis and secure it to the chassis with the 4 screws.
  • Page 60 Lenovo C2/C3 Hardware Maintenance Manual...

  • Page 61: Chapter 8. Additional Service Information

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

This manual is also suitable for:

C320C225C220

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