background image

•  Storage drive bay

Network features

•  Ethernet LAN

•  Wireless LAN (optional)

•  Bluetooth (optional)

Physical dimensions

•  Width: 92.5 mm (3.6 inches)

•  Height: 343.5 mm (13.5 inches)

•  Depth: 290.5 mm (11.4 inches)

Weight (without the package)

Maximum configuration as shipped: 6.0 kg (13.2 lb)

8

M725s User Guide and Hardware Maintenance Manual

Содержание ThinkCentre M725s

Страница 1: ...M725s User Guide and Hardware Maintenance Manual Energy Star Machine Types 10VT 10VU 10VV and 10VX ...

Страница 2: ...formation Guide and Appendix A Notices on page 63 First Edition July 2018 Copyright Lenovo 2018 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant to a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Страница 3: ...placing the power button board and the card reader 27 Replacing the illuminated red dot 31 Replacing the internal speaker 33 Replacing the thermal sensor 35 Replacing the Wi Fi card 38 Replacing the Wi Fi antennas 40 Replacing the M 2 solid state drive 42 Replacing the M 2 solid state drive bracket 45 Replacing the coin cell battery 46 Replacing a memory module 48 Replacing the heat sink and fan a...

Страница 4: ...ii M725s User Guide and Hardware Maintenance Manual ...

Страница 5: ...1 Optical drive eject button 2 Optical drive activity indicator 3 Storage drive activity indicator 4 Card reader slot optional 5 Power button 6 Power indicator 7 Microphone connector 8 Headphone connector 9 USB 3 1 Gen 2 connectors 2 10 USB 3 1 Gen 1 connectors 2 11 Illuminated red dot 12 Internal speaker optional 1 Optical drive eject button Used to eject the tray of the optical drive Copyright L...

Страница 6: ... want to record sound or interact with the computer using speech recognition software 8 Headphone connector Used to connect headphones to your computer 9 USB 3 1 Gen 2 connector Used to connect a USB compatible device For optimal data transfer connect a USB 3 1 Gen 2 device to a USB 3 1 Gen 2 connector instead of a USB 3 1 Gen 1 or USB 2 0 connector 10 USB 3 1 Gen 1 connector Used to connect a USB...

Страница 7: ...onnector 7 Audio line out connector 8 Audio line in connector 9 Serial connector 10 Ethernet connector 11 PS 2 mouse connector 12 Security lock slot 13 Padlock loop 14 PCI Express card area 15 Smart cable clip slots 2 optional 16 Power cord connector 1 Microphone connector Used to connect a microphone to your computer when you want to record sound or interact with the computer using speech recogni...

Страница 8: ...between the audio line in connector of the device and the audio line out connector of the computer Note If your computer has both an audio line out connector and a headset or headphone connector always use the headset or headphone connector for earphones headphones or a headset The headphone connector does not support headset microphones 8 Audio line in connector Used to receive audio signals from...

Страница 9: ...view and Rear view for additional component descriptions Figure 3 System board 1 4 pin power connector 2 Microprocessor fan connector 3 Internal speaker connector 4 Storage drive activity indicator 5 Power button board connector 6 SATA power connectors 2 7 10 pin power connector 8 Clear CMOS Recovery jumper 9 SATA 3 0 connectors 3 10 Auxiliary fan connector 1 11 Illuminated red dot connector 12 Th...

Страница 10: ... Wi Fi card slot 30 Cover presence switch connector intrusion switch connector Machine type and model label The machine type and model label identifies the computer When you contact Lenovo for help the machine type and model information helps support technicians to identify the computer and provide faster service The machine type and model label is attached to the computer as shown Figure 4 Machin...

Страница 11: ... The integrated audio card supports the following Audio line in connector Audio line out connector Headphone connector Internal speaker optional Microphone connector The optional discrete audio card provides an enhanced audio experience and extended capabilities Input Output I O features Audio connectors audio line in audio line out headphone and microphone Card reader slot optional Display connec...

Страница 12: ... LAN optional Bluetooth optional Physical dimensions Width 92 5 mm 3 6 inches Height 343 5 mm 13 5 inches Depth 290 5 mm 11 4 inches Weight without the package Maximum configuration as shipped 6 0 kg 13 2 lb 8 M725s User Guide and Hardware Maintenance Manual ...

Страница 13: ...le lock to secure your computer to a desk table or another nonpermanent fixture The cable lock connects to the security lock slot at the rear of your computer Depending on the type selected the cable lock can be operated with a key or a combination The cable lock also locks the buttons used to open the computer cover This is the same type of lock used with many notebook computers You can order suc...

Страница 14: ... to the cable lock slots on the rear of the computer To install a smart cable clip do the following 1 Insert the clip 1 into the cable lock slot 4 2 Pull the cables you want to lock through the dents in the smart cable clip 3 Press the clip 2 into the cable lock slot 3 until it snaps into position Figure 7 Attaching a smart cable clip 10 M725s User Guide and Hardware Maintenance Manual ...

Страница 15: ...circuitry Prevent others from touching the options and other computer components Touch the static protective package containing the part to a metal expansion slot cover or other unpainted metal surface on the computer for at least two seconds This reduces static electricity from the package and your body before you install or replace a new part When possible remove the new part from the static pro...

Страница 16: ...e an FRU only with another FRU of the correct model When you replace an FRU ensure that the model of the machine and the FRU part number are correct An FRU should not be replaced because of a single unreproducible failure Single failures can occur for a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors Consider rep...

Страница 17: ...y 5 Wi Fi card shield 3 Heat sink and fan assembly 8 Memory module 34 Power supply assembly 7 Microprocessor 10 M 2 solid state drive 9 System board 11 M 2 solid state drive bracket 14 Card reader 12 Secondary storage drive bracket 15 Power button board 13 Secondary storage drive a 2 5 inch storage drive 16 Front I O bracket Chapter 4 Replacing hardware 13 ...

Страница 18: ...e switch intrusion switch 26 Primary storage drive bracket 27 Storage converter 32 Vertical stand 37 PCI Express card Replacing external options Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide 1 Remove any media from the drives and turn off all connected devices and the computer 2 Disconnect all power cords from electrical outlets a...

Страница 19: ...Figure 10 Assembling the vertical stand Figure 11 Installing the vertical stand Dust shield Chapter 4 Replacing hardware 15 ...

Страница 20: ...the external cables and power cords to the corresponding connectors on the computer Removing the computer cover Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide CAUTION 16 M725s User Guide and Hardware Maintenance Manual ...

Страница 21: ...over 4 Remove external options See Replacing external options on page 14 5 Remove the computer cover Figure 14 Removing the computer cover 6 Complete the replacement See Completing the parts replacement on page 60 Replacing the front bezel Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide 1 Remove external options See Replacing extern...

Страница 22: ...el 4 Complete the replacement See Completing the parts replacement on page 60 Replacing the optical drive Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide 18 M725s User Guide and Hardware Maintenance Manual ...

Страница 23: ...the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Disconnect the signal cable and the power cable from the optical drive 5 Replace the optical drive Figure 17 Removing the optical drive Figure 18 Removing the optical drive bracket Chapter 4 Replacing hardware 19 ...

Страница 24: ...ting the drive bay assembly upward and downward Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Pivot the drive bay assembly up...

Страница 25: ... the drive bay assembly upward Figure 22 Pivoting the drive bay assembly downward 5 Reinstall the removed parts To complete the replacement see Completing the parts replacement on page 60 Chapter 4 Replacing hardware 21 ...

Страница 26: ...ve the front bezel See Replacing the front bezel on page 17 4 Pivot the drive bay assembly upward See Pivoting the drive bay assembly upward and downward on page 20 5 Disconnect the signal cable and the power cable from the storage drive 6 Replace the storage drive 2 5 inch or 3 5 inch primary storage drive Figure 23 Removing the primary storage drive bracket Figure 24 Removing the 3 5 inch primar...

Страница 27: ...ep Figure 25 Removing the 2 5 inch primary storage drive from the storage converter Note If you replace the 3 5 inch primary storage drive skip this step Figure 26 Installing the 2 5 inch primary storage drive into the storage converter Chapter 4 Replacing hardware 23 ...

Страница 28: ...27 Installing the 3 5 inch primary storage drive or storage converter Figure 28 Installing the primary storage drive bracket 2 5 inch secondary storage drive 24 M725s User Guide and Hardware Maintenance Manual ...

Страница 29: ...oving the outer 2 5 inch secondary storage drive bracket Figure 30 Removing the inner 2 5 inch secondary storage drive bracket Figure 31 Removing the 2 5 inch secondary storage drive Chapter 4 Replacing hardware 25 ...

Страница 30: ...Figure 32 Installing the 2 5 inch secondary storage drive Figure 33 Installing the inner 2 5 inch secondary storage drive bracket 26 M725s User Guide and Hardware Maintenance Manual ...

Страница 31: ... board and the card reader Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Disconnect the power button board cable and the card...

Страница 32: ...Figure 35 Removing the front I O bracket Figure 36 Removing the power button board Figure 37 Removing the card reader bracket 28 M725s User Guide and Hardware Maintenance Manual ...

Страница 33: ...Figure 38 Removing the card reader Figure 39 Installing the card reader Chapter 4 Replacing hardware 29 ...

Страница 34: ...Figure 40 Installing the card reader bracket Figure 41 Installing the power button board 30 M725s User Guide and Hardware Maintenance Manual ...

Страница 35: ... attempt any repairs before reading the Important Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Pivot the drive bay assembly upward See Pivoting the drive bay assembly upward and downward on page 20 5 Disconnect t...

Страница 36: ...Figure 43 Removing the illuminated red dot cover Figure 44 Removing the illuminated red dot Figure 45 Installing the illuminated red dot 32 M725s User Guide and Hardware Maintenance Manual ...

Страница 37: ...rnal speaker Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Disconnect the internal speaker cable from the system board 5 Repl...

Страница 38: ...Figure 48 Pivoting the drive bay assembly upward Figure 49 Removing the internal speaker 34 M725s User Guide and Hardware Maintenance Manual ...

Страница 39: ...on page 60 Replacing the thermal sensor Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Disconnect the thermal sensor cable fro...

Страница 40: ...5 Replace the thermal sensor Figure 52 Pressing the tab Figure 53 Pivoting the drive bay assembly upward 36 M725s User Guide and Hardware Maintenance Manual ...

Страница 41: ...Figure 54 Removing the thermal sensor Figure 55 Installing the thermal sensor Chapter 4 Replacing hardware 37 ...

Страница 42: ...y repairs before reading the Important Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Pivot the drive bay assembly upward See Pivoting the drive bay assembly upward and downward on page 20 5 Replace the Wi Fi card ...

Страница 43: ...Figure 58 Disconnecting the Wi Fi antenna cables Figure 59 Removing the Wi Fi card Figure 60 Installing the Wi Fi card Figure 61 Connecting the Wi Fi antenna cables Chapter 4 Replacing hardware 39 ...

Страница 44: ...ding the Important Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Disconnect the Wi Fi antenna cables from the Wi Fi card See Replacing the Wi Fi card on page 38 5 Replace the Wi Fi antennas Front Wi Fi antenna Fig...

Страница 45: ...Figure 64 Installing the front Wi Fi antenna Rear Wi Fi antenna Figure 65 Removing the rear Wi Fi antenna Chapter 4 Replacing hardware 41 ...

Страница 46: ... Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Pivot the drive bay assembly upward See Pivoting the drive bay assembly upward and downward on page 20 5 Depending on your computer model refer to one of the followin...

Страница 47: ...Figure 68 Removing the M 2 solid state drive Figure 69 Installing the M 2 solid state drive Figure 70 Inserting the stopper Type 2 Chapter 4 Replacing hardware 43 ...

Страница 48: ...Figure 71 Pulling out the stopper Figure 72 Removing the M 2 solid state drive Figure 73 Installing the M 2 solid state drive 44 M725s User Guide and Hardware Maintenance Manual ...

Страница 49: ...n Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Pivot the drive bay assembly upward See Pivoting the drive bay assembly upward and downward on page 20 5 Remove the M 2 solid state drive See Replacing the M 2 solid state drive on page...

Страница 50: ...or assignments configurations A coin cell battery keeps this information active when you turn off the computer The coin cell battery normally requires no charging or maintenance throughout its life however no coin cell battery lasts forever If the coin cell battery fails the date time and configuration information including passwords are lost An error message is displayed when you turn on the comp...

Страница 51: ...Figure 77 Disengaging the latch Figure 78 Removing the coin cell battery Chapter 4 Replacing hardware 47 ...

Страница 52: ...arts To complete the replacement see Completing the parts replacement on page 60 Replacing a memory module Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide Ensure that you follow the installation order for memory modules shown in the following figure 48 M725s User Guide and Hardware Maintenance Manual ...

Страница 53: ...Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Pivot the drive bay assembly upward See Pivoting the drive bay assembly upward and downward on page 20 5 Replace a memory module Figure 81 Removing a memory module Chapter 4 Replacing hardware 49 ...

Страница 54: ... be very hot Before you open the computer cover turn off the computer and wait several minutes until the computer is cool 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Pivot the drive bay assembly upward See Pivoting the drive bay assembly...

Страница 55: ...Figure 83 Removing the heat sink fan duct Figure 84 Removing the heat sink and fan assembly Chapter 4 Replacing hardware 51 ...

Страница 56: ...em board 8 Pivot the drive bay assembly downward and reinstall the removed parts To complete the replacement see Completing the parts replacement on page 60 Replacing the microprocessor Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide 52 M725s User Guide and Hardware Maintenance Manual ...

Страница 57: ...ward on page 20 5 Remove the heat sink and fan assembly See Replacing the heat sink and fan assembly on page 50 6 Record the cable routing and cable connections and then disconnect all cables from the system board See System board on page 5 7 Replace the microprocessor Notes Your microprocessor and socket might look different from the one illustrated Touch only the edges of the microprocessor Do n...

Страница 58: ...rd and reinstall the removed parts To complete the replacement see Completing the parts replacement on page 60 Replacing a PCI Express card Attention Do not open your computer or attempt any repairs before reading the Important Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 54 M725...

Страница 59: ... bay assembly upward and downward on page 20 5 Replace a PCI Express card Note If the card is held in place by a retaining latch press the latch as shown to disengage the latch Then gently remove the card from the slot Figure 91 Removing a PCI Express card Figure 92 Installing a PCI Express card Chapter 4 Replacing hardware 55 ...

Страница 60: ...er or attempt any repairs before reading the Important Product Information Guide 1 Remove external options See Replacing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Disconnect the cover presence switch cable from the system board 4 Replace the cover presence switch Figure 93 Removing the cover presence switch 56 M725s User Guide and Hardware...

Страница 61: ...mputer or attempt any repairs before reading the Important Product Information Guide Although there are no moving parts in the computer after the power cord has been disconnected the following warnings are required for your safety and proper Underwriters Laboratories UL certification CAUTION Hazardous moving parts Keep fingers and other body parts away CAUTION Never remove the cover on a power sup...

Страница 62: ...cing external options on page 14 2 Remove the computer cover See Removing the computer cover on page 16 3 Remove the front bezel See Replacing the front bezel on page 17 4 Pivot the drive bay assembly upward See Pivoting the drive bay assembly upward and downward on page 20 5 Disconnect the power supply assembly cables from the system board 6 Replace the power supply assembly Figure 95 Removing th...

Страница 63: ...d downward on page 20 6 Remove all memory modules See Replacing a memory module on page 48 7 Remove the heat sink and fan assembly See Replacing the heat sink and fan assembly on page 50 8 Remove the microprocessor See Replacing the microprocessor on page 52 9 Remove all PCI Express cards See Replacing a PCI Express card on page 54 10 Remove the Wi Fi card See Replacing the Wi Fi card on page 38 1...

Страница 64: ...ent for all parts reinstall the computer cover and reconnect the cables 1 Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer 2 Ensure that the cables are routed correctly before reinstalling the computer cover Keep cables clear of the hinges and sides of the computer chassis to avoid interference when reinstalling the computer...

Страница 65: ...e Replacing external options on page 14 5 Place the computer in an upright position 6 If a locking device is available use it to lock the computer 7 Reconnect the external cables and power cords to the corresponding connectors on the computer Chapter 4 Replacing hardware 61 ...

Страница 66: ...62 M725s User Guide and Hardware Maintenance Manual ...

Страница 67: ...he publication Lenovo may make improvements and or changes in the products and or the programs described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Leno...

Страница 68: ...64 M725s User Guide and Hardware Maintenance Manual ...

Страница 69: ...es other countries or both Lenovo The Lenovo logo ThinkCentre The ThinkCentre logo DisplayPort and Mini DisplayPort are trademarks of the Video Electronics Standards Association Other company product or service names may be trademarks or service marks of others Copyright Lenovo 2018 65 ...

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