Lenovo IdeaCentre B345 Hardware Maintenance Manual Download Page 35 | Manualshive

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Step 3.

Disconnect the failing power cord and adapter from the computer.

Step 4.

Connect the new power cord to the same connector as shown.

Removing the computer cover

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 computer screen from scratches
or other damage.

To remove the computer cover:

Chapter 8

.

Replacing hardware

29

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Summary of Contents for IdeaCentre B345

Page 1: ...IdeaCentre B345 B545 All In One Hardware Maintenance Manual ideaideaideaCentreidea Machine Types 10098 2567 B345 10100 4749 B545 ...

Page 2: ......

Page 3: ...IdeaCentre B345 B545 All In One Hardware Maintenance Manual Machine Types 10098 2567 B345 10100 4749 B545 ...

Page 4: ...right 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: ...s and components 21 Chapter 8 Replacing hardware 27 General information 27 Replacing the keyboard and mouse 28 Replacing the power cord or power adapter 28 Removing the computer cover 29 Removing the computer stand 30 Replacing a memory module 31 Replacing the hard disk drive 32 Replacing the optical drive 33 Removing the middle cover 35 Replacing the converter board 37 Removing the EMI cover 39 R...

Page 6: ...iv IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

Page 7: ...ion and danger statements in this book before performing 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 nel...

Page 8: ...2 IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

Page 9: ...l case away from walk areas so that other people will not trip 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 fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 8 centimeters 3 inches from the end Do ...

Page 10: ...our pocket or behind your back Remember There must 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 f...

Page 11: ...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 Use good judgment as to the safety of any alter...

Page 12: ...ired 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 the language of English DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazard Do not connect or disconnect any cables ...

Page 13: ... not Throw or immerse into 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 radiati...

Page 14: ...urn 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 IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

Page 15: ...ons for your computer This section lists the physical specifications for your computer Type IdeaCentre B345 B545 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 IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

Page 17: ...dure 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 you ...

Page 18: ...12 IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

Page 19: ...ings see 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 Th...

Page 20: ...dministrator Password do the 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 Enter key 4 Type the new password then press Enter key Re type the password to confirm th...

Page 21: ...rd Enter blank fields for each new password line item A setup notice will display that changes have been saved 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 Select whether to enable or dis...

Page 22: ...enu 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 Device Menu does not permanently change the startup sequence Selecting or changing the startup ...

Page 23: ...ress 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 Reset Without Saving window shows select...

Page 24: ...18 IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

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

Page 26: ...Startup 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 disconnect ...

Page 27: ...ir vents on the computer Blocked air vents can cause overheating 1 2 3 7 8 9 10 11 12 13 14 6 5 4 1 Built in microphone 8 Volume down 2 Built in camera 9 Volume up 3 Built in IR Emitter do not block selected models only 10 Brightness down 4 Hard disk drive indicator 11 Brightness up 5 Bluetooth status indicator 12 Novo vision button 6 Wi Fi status indicator 13 PC mode HDMI in AV in switch 7 TV ind...

Page 28: ... and components on the left and right side of the computer 1 2 3 4 5 6 7 8 1 Optical drive 5 Microphone port 2 TV buttons selected models only 6 USB connector 3 USB connector 7 Memory card reader 4 Headphone port 8 Power button 22 IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

Page 29: ...he computer 1 7 3 4 6 2 5 8 8 1 Ethernet port 5 AV IN connectors selected models only 2 USB connectors 6 TV tuner ports selected models only 3 HDMI OUT connector 7 Power connector 4 HDMI IN connector selected models only 8 Air vents do not block Chapter 7 Locating connectors controls and components 23 ...

Page 30: ...TV Scale Board 3 Middle cover 16 WLAN card 4 Front LED indicator board 17 Speakers 5 EMI cover 18 Converter 6 Chassis 19 Heat sink 7 LED panel 20 Infra red module 8 Front bezel 21 System fans 9 Glass 22 Camera 10 Rear I O module 23 Hardware TV tuner board 11 Power supply 24 Hardware TV switch board 12 Motherboard 25 Touch module 13 Hard disk drive 26 Bluetooth module 24 IdeaCentre B345 B545 All In...

Page 31: ... reader 2 Camera connector 16 USB connector 3 Touch control board connector 17 Microphone jack 4 Front function board connector 18 Headphone jack 5 Optical drive SATA connector 19 USB connector 6 Hard disk drive SATA connector 20 Memory slots 7 Scalar board connector 21 CPU Socket 8 B CAS Connector 22 Power supply connector 9 Wi Fi card connector 23 Battery 10 TV Tuner card connector 24 Power supp...

Page 32: ...ns of parts on the digital hardware TV board ATS C type 1 2 3 6 7 4 5 1 LVDS Connector 5 Tuner Board Connector 2 Converter Connector 6 Debug Port 3 TV Function Connector 7 Fan Connector 4 Mother Board Connector The following illustration shows the locations of parts on the digital hardware TV board DVB T type 1 2 3 6 7 4 5 1 LVDS Connector 5 Tuner Board Connector 2 Converter Connector 6 Fan Connec...

Page 33: ...afety 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 proceeding with 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 s...

Page 34: ...lp with locating the various connectors Note Your keyboard will be connected to a USB connector on one side or at the rear of the computer Step 4 Disconnect the defective keyboard cable from the computer and connect the new keyboard cable to the same connector Note The mouse can be replaced using the same method Replacing the power cord or power adapter Attention Turn off the computer and wait 3 t...

Page 35: ...urn 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 remove the computer cover Chapter 8 Replacing hardware 29 ...

Page 36: ... various connectors Step 4 Remove the two cover pieces by sliding them in opposite directions as shown Step 5 To reinstall the computer cover a Line up the cover pieces with the chassis then slide them back Removing the computer stand Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover Note For this procedure it helps to place the computer face down on ...

Page 37: ... and right view and Rear view for help with locating the various connectors Step 4 Push the stand lock upward to unlock it and then slide the stand out as show 1 2 3 1 2 3 Step 5 To reinstall the computer stand a Line up the computer stand with the mounting slots in the chassis and slide it back into position 1 b Lift up the rear of the computer stand until you hear a pa sound indicating the stand...

Page 38: ...the new memory module with the memory socket then insert it and push down on the top edge Make sure the latches lock the memory module in place Step 7 Reattach the rear cover 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 Attention It may be helpful to place the computer face down on a soft flat surface for this p...

Page 39: ... Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover To replace the optical drive 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 in...

Page 40: ...2 1 Step 6 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 7 Remove the two screws that secure the optical drive to the metal bracket 1 Step 8 Use a small flat head screwdriver to press and push out the pins that secure the cover to the disk 2 3 34 IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

Page 41: ... blanket towel or other soft cloth to protect the computer screen from scratches or other damage To remove the middle 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 p...

Page 42: ...eight screws that secure the middle cover to the chassis 1 1 1 1 1 1 1 1 1 Step 8 Push up the middle cover upward with two hands to remove it from pins 2 3 2 36 IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

Page 43: ...protect the computer screen from scratches or other damage To replace the converter 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...

Page 44: ...he pins to release the converter 1 1 1 1 Step 9 Disconnect the two cables from the converter board 2 Step 10 Lift up the converter board to remove it 2 2 38 IdeaCentre B345 B545 All In OneHardware Maintenance Manual ...

Page 45: ... 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 view for help with locating the various con...

Page 46: ...lace 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 cords input output I O cables and any other cables that are connected to the computer Refer to Left and...

Page 47: ...es or other damage To replace the Bluetooth module 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 connecte...

Page 48: ...age To replace the battery 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 ...

Page 49: ...r 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 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 c...

Page 50: ...ystem fan with mounting holes on the motherboard b Secure the system fan with five screws c Connect the fan power cable to the connectors on the motherboard Step 12 Reattach the EMI cover middle cover optical drive computer stand and the rear cover Removing the power supply Attention Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover 44 IdeaCentre B345 B545...

Page 51: ...r to Removing the computer stand Step 6 Remove the optical drive Refer to Replacing the optical drive Step 7 Remove the middle cover Refer to Removing the middle cover Step 8 Remove the EMI cover Refer to Removing the EMI cover Step 9 Remove the two screws that secure the power supply connector to the metal bracket 1 Step 10 Disconnect the two power cables from the motherboard 2 Step 11 Remove the...

Page 52: ...r cover Refer to Removing the rear cover Step 5 Remove the computer stand Refer to Removing the computer stand Step 6 Remove the optical drive Refer to Replacing the optical drive Step 7 Remove the middle cover Refer to Removing the middle cover Step 8 Remove the EMI cover Refer to Removing the EMI cover Step 9 Remove the system fans Refer to Replacing the system fans Step 10 Remove the eight scre...

Page 53: ...ng the various connectors Step 4 Remove the rear cover Refer to Removing the rear cover Step 5 Remove the computer stand Refer to Removing the computer stand Step 6 Remove the optical drive Refer to Replacing the optical drive Step 7 Remove the middle cover Refer to Removing the middle cover Step 8 Remove the EMI cover Refer to Removing the EMI cover Step 9 Remove the system fans Refer to Replacin...

Page 54: ...rocessor with your fingers remove the protective cover that protects the gold contacts on the new microprocessor Step 14 Holding the sides of the microprocessor with your fingers position the microprocessor so that the notches on the microprocessor are aligned with the tabs in the microprocessor socket Important To avoid damaging the microprocessor contacts keep the microprocessor completely level...

Page 55: ...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 rear I O module 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 a...

Page 56: ...w that secure the rear I O module to the metal bracket 1 Step 13 Lift up the rear I O module to remove it from the metal bracket 1 Step 14 To install the new rear I O module a Line the new I O module with metal bracket then secure it with the screw b Reattach the TV antenna cable to the rear I O module secure it with the two screws c Line the new I O module up with the chassis then secure it with ...

Page 57: ...to the motherboard Step 10 Disconnect the antenna cables from the Wi Fi card Step 11 Lift up the Wi Fi card upward to remove it from the socket Step 12 To install the new Wi Fi card a Insert the new Wi Fi card to the socket and secure it with the screw b Connect the antenna cables to the new Wi Fi card Step 13 Reattach the EMI cover middle cover optical drive computer stand and the rear cover Repl...

Page 58: ...al drive computer stand and the rear cover Replacing the speaker system Note Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover 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 electrical ou...

Page 59: ... 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 view for help with locat...

Page 60: ...ny 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 view for h...

Page 61: ...s 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 for help with locating the various connectors Step 4 Remove the rear cover Refer to Removing the rear cover Step 5 Remove the computer stand Refer to Removing the computer...

Page 62: ...the screw d Insert the notched end of the Wi Fi card into the card port on the new motherboard and secure it with the screw e Install the CPU to the new motherboard and secure the CPU in the socket close the CPU retainer and lock it into position with the small handle f Install the memory module s to the new motherboard g Install the heat sink to the new motherboard h Install the system fans to th...

Page 63: ...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 Remove the rear cover Refer to Removing the rear cover Step 5 Remove the computer stand Refer to Removing the computer stand Step 6 Remove the memory modules Refer to Replacing a memory module Step 7 Remove the optical drive Refer to Replacing the ...

Page 64: ...cator board cable from the connector on the motherboard Step 17 Disconnect the power switch board cable from the connector on the motherboard Step 18 Remove the eight screws that secure the chassis to the front bezel Step 19 Remove the four screws secure the chassis to the LED panel bracket Step 20 Lift up the chassis gently as shown Step 21 Remove the converter cable from the connector on the LED...

Page 65: ...ct the converter cable to the converter e Connect the front function board cable front indicator board cable and the power switch board cable to the connectors on the motherboard f Reattach the Wi Fi antenna cables back to the front bezel g Secure the new LED panel to the chassis with four screws h Secure the chassis to the front bezel with the eight screws i Reinstall the camera and the Bluetooth...

Page 66: ... 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 Remove the rear cover Refer to Removing the rear cover Step 5 Remove the computer stand Refer to Removing the computer stand Step 6 Remove the memory modules Refer to Replacing a memory module Step 7 Remove the optical drive Refer to Replacing the optical drive...

Page 67: ...erboard Step 17 Disconnect the power switch board cable from the connector on the motherboard Step 18 Remove the eight screws that secure the chassis to the front bezel Step 19 Remove the four screws secure the chassis to the LED panel bracket Step 20 Lift up the chassis gently as shown Step 21 Remove the converter cable from the connector on the LED panel Step 22 Push the pins that secure the pow...

Page 68: ...e new LED panel and then place the chassis into position d Connect the converter cable to the converter e Connect the front function board cable front indicator board cable and the power switch board cable to the connectors on the motherboard f Reattach the Wi Fi antenna cables back to the front bezel g Secure the new LED panel to the chassis with four screws h Secure the chassis to the front beze...

Page 69: ...IOS 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 o...

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