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Chapter 7. Locating connectors, controls and components

This section provides illustrations to help locate the various connectors, controls and components of the
computer.

Font view

The following illustration shows the location of controls and components on the front of the computer.

Attention:

Be careful not to block any air vents on the computer. Blocked air vents can cause overheating.

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2

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7

6

5

4

8

9

1

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1. Built-in microphone

6. Menu button

2. Built-in camera

7. Left direction button

3. Hard disk drive indicator

8. Right direction button

4. Wi-Fi status indicator

9. Monitor On/Off button

5. Monitor On/Off indicator

10. Built-in IR receiver (Only functional on models
equipped with a IR receiver module)

© Copyright Lenovo 2012

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Summary of Contents for C345

Page 1: ...Lenovo C345 C445 All In One PC Hardware Maintenance Manual ideaideaideaCentreidea Machine Types 10103 4751 C345 10105 6596 C445 ...

Page 2: ......

Page 3: ...Lenovo C345 C445 All In One PC Hardware Maintenance Manual Machine Types 10103 4751 C345 10105 6596 C445 ...

Page 4: ...ight Lenovo 2012 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 GS 35F 05925 ...

Page 5: ...termined problems 20 Chapter 7 Locating connectors controls and components 21 Chapter 8 Replacing hardware 27 General information 27 Replacing the keyboard and mouse 28 Replacing the adapter 28 Removing the stand base 30 Removing the foot cover 30 Replacing a memory module 31 Replacing the hard disk drive 33 Replacing the optical drive 34 Removing the stand holder 36 Removing the middle cover 37 R...

Page 6: ...iv Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 7: ...CAUTION and DANGER sections in this manual before following any of the instructions Veuillez lire toutes les consignes de type DANGER et ATTENTION du présent document avant d exécuter les instructions Lesen Sie unbedingt alle Hinweise vom Typ ACHTUNG oder VORSICHT in dieser Dokumentation bevor Sie irgendwelche Vorgänge durchführen Leggere le istruzioni introdotte da ATTENZIONE e PERICOLO presenti ...

Page 8: ...2 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 9: ...from areas that people may walk through to ensure no one trips over it Do not wear loose clothing that can be trapped in the moving parts of a machine Ensure that your sleeves are fastened or rolled up above your elbows If your hair is long tie or fasten it back Insert the ends of your necktie or scarf inside clothing or fasten it with a non conductive clip approximately 8 centimeters 3 inches fro...

Page 10: ...t be a complete circuit to cause electrical shock By observing the above rule you may prevent a current from passing through your body When using a tester set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the specia...

Page 11: ...connect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and frame ground b The power cord should be the appropriate type as specified in the parts listings c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious alterations U...

Page 12: ...al grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Safety notices The CAUTION and DANGER safety notices in this section are provided in the language of English DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazard Do not c...

Page 13: ...row into or immerse in water Heat to more than 100 C 212 F Repair or disassemble Dispose of the battery as required by local ordinances or regulations CAUTION When laser products such as CD ROMs DVD ROM drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation T...

Page 14: ...turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source 1 2 CAUTION Do not place any object weighing more than 82 kg 180 lbs on top of rack mounted devices 8 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 15: ...ons for your computer This section lists the physical specifications for your computer Type Lenovo C345 C445 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 9 ...

Page 16: ...10 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 17: ...cedure to help determine the cause of the problem 1 Power off the computer and all external devices 2 Check all cables and power cords 3 Set all display controls to the middle position 4 Power on all external devices 5 Power on the computer Look for displayed error codes Look for readable instructions or a main menu on the display If you did not receive the correct response proceed to step 6 If yo...

Page 18: ...12 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 19: ...ee Starting the Setup Utility program You must use the keyboard when using the Lenovo BIOS Setup Utility menu The keys used to perform various tasks are displayed on the bottom of each screen Using passwords You can use the Lenovo BIOS Setup Utility program to set passwords to prevent unauthorized persons from gaining access to your computer and data See Starting the Setup Utility program The foll...

Page 20: ...e following 1 Start the Lenovo BIOS Setup Utility program see Starting the Lenovo BIOS Setup Utility program on page 13 2 From the Security menu select Set Administrator Password and press the Enter key 3 The password dialog box will be displayed Type the current password then press the Enter key 4 Type the new password then press the Enter key Re type the password to confirm the new password If y...

Page 21: ...n Password leave each new password line item blank then press Enter A Setup Notice confirming that changes have been saved will be displayed 4 Return to the Lenovo BIOS Setup Utility program menu and select the Exit option 5 Select Save changes and Exit from the menu Enabling or disabling a device The Devices options is used to enable or disable user access to the following devices USB Functions S...

Page 22: ...uter When the Startup Device Menu appears release the F12 key Note If the Startup Device Menu does not display using these steps repeatedly press and release the F12 key rather than keeping it pressed when turning on the computer 3 Use and arrows to select the desired startup device from the Startup Device Menu and press the Enter key to begin Note Selecting a startup device from the Startup Devic...

Page 23: ... program main menu You might have to press the Esc key several times Do one of the following If you want to save the new settings select Save changes and Exit from the menu When the Save reset window shows select the Yes button and then press the Enter key to exit the Lenovo BIOS Setup Utility program If you do not want to save the settings select Discard changes and Exit from the menu When the Re...

Page 24: ...18 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 25: ...d disk drive boot error A hard disk drive boot error can be caused by the following Error FRU Action The startup drive is not included in the boot sequence configuration Check the configuration and ensure the startup drive is in the boot sequence No operating system is installed on the boot drive Install an operating system on the boot drive The boot sector on the startup drive is corrupted The dr...

Page 26: ...p and set the option to Enabled The BIOS then ignores the missing keyboard during POST Reboot and Select proper Boot device or Insert Boot Media in selected Boot device The BIOS was unable to find a suitable boot device Make sure the boot drive is properly connected to the computer Make sure you have bootable media in the boot device Undetermined problems 1 Power off the computer 2 Remove or disco...

Page 27: ...ont of the computer Attention Be careful not to block any air vents on the computer Blocked air vents can cause overheating 1 2 3 7 6 5 4 8 9 10 1 Built in microphone 6 Menu button 2 Built in camera 7 Left direction button 3 Hard disk drive indicator 8 Right direction button 4 Wi Fi status indicator 9 Monitor On Off button 5 Monitor On Off indicator 10 Built in IR receiver Only functional on model...

Page 28: ...right side of the computer 1 2 3 6 5 4 7 8 1 USB connector 5 Memory card reader 2 Headphone connector 6 Power button 3 Microphone connector 7 Optical drive eject button 4 USB connector 8 Optical drive Attention Do not insert 3 inch discs into the optical drive 22 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 29: ...1 TV tuner connector selected models only 2 connectors for Japan 6 USB connector 2 TV tuner connector selected models only 2 connectors for Japan 7 HDMI out connector selected models only 3 Power connector 8 Security cable slot 4 Ethernet connector 9 Air vents 5 USB connector Chapter 7 Locating connectors controls and components 23 ...

Page 30: ...i card 2 Foot cover 13 TV Tuner card 3 Middle cover 14 System fan 4 EMI cover 15 Heat sink 5 Motherboard 16 Camera 6 Power switch board 17 Hard disk drive and bay 7 Speakers 18 Converter board 8 Rear I O module 19 Front function board 9 Chassis 20 Optical drive 10 LED panel 21 Optical drive bracket 11 Front bezel 24 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 31: ... 22 23 4 4 5 1 HDMI out connector 12 Battery 2 CPU and socket 13 TV Tuner card connector 3 Memory connector 14 Rear I O module connector 4 USB connectors 15 DC in connector 5 Headphone connector 16 Front function board TBD 6 Microphone connector 17 Hard disk drive power connector 7 Memory card connector 18 Optical drive SATA connector Red 8 Speaker connector 19 Hard disk drive SATA connector Balck...

Page 32: ...26 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 33: ...he Safety and Warranty Guide go to the Support Web site at http consumersupport lenovo com Note Use only parts provided by Lenovo General information Pre disassembly instructions Before starting the disassembly procedure make sure that you do the following 1 Turn off the power to the system and all peripherals 2 Unplug all power and signal cables from the computer 3 Place the system on a flat stab...

Page 34: ...ard Refer to Side view of the computer and Rear view of the computer Step 4 Disconnect the defective keyboard cable from the computer and connect the new keyboard cable to the same connector Step 5 The mouse can be replaced using the same method Replacing the adapter Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Step 1 Remove any media disks ...

Page 35: ...Step 2 Disconnect the adapter cable from the computer 1 then unplug the power cord from electrical outlet 2 Step 3 Connect the new adapter as shown 1 2 Chapter 8 Replacing hardware 29 ...

Page 36: ...rom 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 views and Rear view for help with locating the various connectors Step 4 Twist the hand screw ring counter clockwise until the base comes loose to release the stand base from the stand holder 1...

Page 37: ... 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 views and Rear view for help with locating the various connectors Step 4 Remove the foot base Refer to Removing the foot base Step 5 Lift up the stand holder then slide out the foot cover as shown Step 6 To reattach the foot cover a Lift up the stand holde...

Page 38: ...nnected to the computer Refer to Left and right views and Rear view for help with locating the various connectors Step 4 Remove the stand base Refer to Removing the stand base Step 5 Remove the foot cover Refer to Removing the foot cover Step 6 Push out the latches on both sides of the memory socket to release the memory module 1 and gently pull the memory module upward to remove it from its socke...

Page 39: ...ting system and turn off the computer and all attached devices 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 views and Rear view for help with locating the various connectors Step 4 Remove the stand base Refe...

Page 40: ...ends that you use a blanket towel or other soft cloth to protect the touch screen from scratches or other damage Step 1 Remove any media disks CDs 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 Step 3 Disconnect all cables attached to the computer This includes power cords input...

Page 41: ... paper clip into the small hole on the optical drive cover so that the disk springs out as shown Step 8 Remove the 2 screws that secure the optical drive to the metal bracket 1 Step 9 Use a small flat head screwdriver to press and push out the pins that secure the cover to the disk 2 3 Chapter 8 Replacing hardware 35 ...

Page 42: ...ect the computer screen from scratches or other damage To remove the stand holder 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 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...

Page 43: ...le cover 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 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 ...

Page 44: ...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 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 ...

Page 45: ...blanket towel or other soft cloth to protect the computer screen from scratches or other damage To replace the camera 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 Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power c...

Page 46: ...ng the EMI cover Note 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 computer screen from scratches or other damage To replace the EMI cover Step 1 Remove any media disks CDs D...

Page 47: ...t up 2 Step 10 To reattach the EMI cover a Line up the holes on the EMI cover with mounting holes on the chassis then place EMI cover back into position b Secure the EMI cover to the chassis with two screws Step 11 Reattach the middle cover optical drive stand holder foot cover and stand base Replacing the rear I O module Note Turn off the computer and wait 3 to 5 minutes to let it cool down befor...

Page 48: ...he foot cover Refer to Removing the foot cover Step 6 Remove the optical drive Refer to Replacing the optical drive Step 7 Remove the stand holder Refer to Removing the stand holder Step 8 Remove the middle cover Refer to Removing the middle cover Step 9 Remove the EMI cover Refer to Removing the EMI cover Step 10 Remove the two screws that secure the rear I O module to the motherboard 1 and lift ...

Page 49: ...own 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 To replace the speaker system 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 Step 2 Unplug all power cords from electri...

Page 50: ...ce 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 To replace the system fan 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 Step 2 Unplug all power cords from electri...

Page 51: ...puter 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 To replace the heat sink 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 Step 2 Unplug all power cords from ...

Page 52: ... tuner card Note 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 computer screen from scratches or other damage To replace the TV tuner card Step 1 Remove any media disks CDs DV...

Page 53: ...e 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 To replace the WLAN card 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 attac...

Page 54: ...ratches or other damage To replace the front control board 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 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 ...

Page 55: ... scratches or other damage To replace the power switch board 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 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 ar...

Page 56: ...owel or other soft cloth to protect the computer screen from scratches or other damage To replace the motherboard 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 Step 2 Unplug all power cords from electrical outlets Step 3 Disconnect all cables attached to the computer This includes power cords...

Page 57: ...erboard Power switch board cable Speaker system cable Front control board cable Converter cable Camera cable System fan power cable Hard disk drive power cable Hard disk drive SATA cable Black Optical drive SATA cable Red LED panel data cable Step 17 Remove the five screws that secure the motherboard to the chassis and lift the motherboard up to remove it Step 18 To install the new motherboard a L...

Page 58: ... to the computer Refer to Left and right view and Rear view for help with locating the various connectors Step 4 Remove the stand base Refer to Removing the stand base Step 5 Remove the foot cover Refer to Removing the foot cover Step 6 Remove the memory modules Refer to Replacing a memory module Step 7 Remove the optical drive Refer to Replacing the optical drive Step 8 Remove the stand holder Re...

Page 59: ...LED panel and then place it into position b Secure the LED panel to the chassis with the four screws c Connect the converter cable to the new LED panel d Line up the chassis and new LED panel with the front bezel and then place it into position e Secure the chassis to the front bezel with the nine screws f Connect all the cables to the connectors on the motherboard Step 20 Reattach the heat sink s...

Page 60: ...54 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 61: ... 1 or 2 in the CRU column are Customer Replaceable Units CRUs 1 identifies parts that are fairly simple to replace requiring few or no tools 2 identifies parts that are slightly more difficult to replace N identifies parts that are not to be replaced by the customer 1 2 3 6 7 8 9 10 11 14 18 16 17 15 19 20 21 4 5 12 13 Item Description Service Part Number CRU ID Computer stand 1 N Copyright Lenovo...

Page 62: ...45 REAR IO BRACKET W TV NTSC W O HDMI 90201800 N C445 REAR IO BRACKET W TV NTSC W HDMI 90201801 N C445 REAR IO BRACKET W TV PAL W HDMI 90201802 N C445 REAR IO BRACKET W TV PAL W O HDMI 90201803 N C345 REAR IO BRACKET W O TV W HDMI 90201669 C345 REAR IO BRACKET W O TV W O HDMI 90201670 C345 REAR IO BRACKET W TV NTSC W O HDMI 90201671 C345 REAR IO BRACKET W TV NTSC W HDMI 90201672 C345 REAR IO BRACK...

Page 63: ...l module 90200729 N 15 C345 C445 CoolerMaster Thermal module 90200730 N Camera Bison M720P VC OV9712 CAM 20200085 N Bison M720P VC OV9712 MIC rubber CAM 20200369 16 CCY M720P VC OV9712 CAM 20200086 N Hard disk drive and bay SGT Pharaoh 4K ST320DM000 320G HDD LH 16 200177 1 WDXL500A WD3200AAKX 08ERMA0 320G HDD LH 16200246 1 WDXL500SM6G WD5000AAKX 083CA1 500GHDD LH 16 200031 1 SGT Pharaoh 4K ST500DM...

Page 64: ...Optical drive PLDS DS 8A8SH 25201487 1 SN 208AB 25201108 1 20 HLDS GT50N 25201635 1 Optical drive bracket 21 N 58 Lenovo C345 C445 All In One PCHardware Maintenance Manual ...

Page 65: ...S As this computer has an ACPI BIOS system the operating system is allowed to control the power management features of the computer and the settings for Advanced Power Management APM BIOS mode is ignored Not all operating systems support ACPI BIOS mode Automatic Power On features The Automatic Power On features within the Power Management menu allow you to enable and disable features that turn on ...

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