Dell Precision 3640 Tower Service Manual Download Page 4

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Removing the memory module.................................................................................................................................... 38
Installing the memory module...................................................................................................................................... 38

Speaker.................................................................................................................................................................................39

Removing speaker......................................................................................................................................................... 39
Installing the speaker.....................................................................................................................................................39

Coin cell battery...................................................................................................................................................................40

Removing the coin cell battery.................................................................................................................................... 40
Installing the coin cell battery....................................................................................................................................... 41

Power supply unit................................................................................................................................................................ 42

Removing the power supply unit................................................................................................................................. 42
Installing the power supply unit ...................................................................................................................................44

Optical drive......................................................................................................................................................................... 46

Removing the optical drive...........................................................................................................................................46
Installing the optical drive............................................................................................................................................. 48

WLAN module and SMA antenna......................................................................................................................................49

Removing WLAN module and SMA antenna............................................................................................................. 49
Installing WLAN module and SMA antenna................................................................................................................ 51

IO panel.................................................................................................................................................................................52

Removing the IO panel..................................................................................................................................................52
Installing the IO panel.................................................................................................................................................... 57

Solid state drive................................................................................................................................................................... 62

Removing the PCIe SSD card...................................................................................................................................... 62
Installing the PCIe SSD card........................................................................................................................................ 63

Power button module......................................................................................................................................................... 65

Removing power button module................................................................................................................................. 65
Installing power button module....................................................................................................................................66

Heatsink assembly...............................................................................................................................................................68

VR heat sink......................................................................................................................................................................... 74

Removing VR heatsink.................................................................................................................................................. 74
Installing VR heatsink.................................................................................................................................................... 75

Front fan............................................................................................................................................................................... 77

Removing front fan........................................................................................................................................................77
Installing front fan..........................................................................................................................................................79

System fan............................................................................................................................................................................ 81

Removing system fan.................................................................................................................................................... 81
Installing system fan...................................................................................................................................................... 82

Optional IO card...................................................................................................................................................................84

Removing optional IO card........................................................................................................................................... 84
Installing the optional IO card ......................................................................................................................................84

Processor..............................................................................................................................................................................86

Removing the processor...............................................................................................................................................86
Installing the processor................................................................................................................................................. 86

Intrusion switch....................................................................................................................................................................87

Removing intrusion switch............................................................................................................................................87
Installing intrusion switch..............................................................................................................................................88

System board.......................................................................................................................................................................89

Contents

Summary of Contents for Precision 3640 Tower

Page 1: ...Precision 3640 Tower Service Manual 0 0 0 0 Regulatory Model D24M Regulatory Type D24M004 May 2020 Rev A00 ...

Page 2: ...ential damage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2020 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners ...

Page 3: ...ommended tools 16 Screw list 16 Chassis rubber feet 16 Removing the chassis rubber feet 16 Installing the chassis rubber feet 18 Cover 20 Removing the cover 20 Installing the cover 21 SD card optional 22 Removing the SD card 22 Installing the SD card 23 Bezel 24 Removing the front bezel 24 Installing the front bezel 25 Hard drive 25 Removing the 3 5 inch hard drive 25 Installing the 3 5 inch hard ...

Page 4: ...SD card 62 Installing the PCIe SSD card 63 Power button module 65 Removing power button module 65 Installing power button module 66 Heatsink assembly 68 Removing heatsink assembly 65 W or 80 W CPU 68 Removing blower and heat sink assembly 125 W CPU 69 Installing heatsink assembly 65 W or 80 W CPU 71 Installing blower and heat sink assembly 125 W CPU 72 VR heat sink 74 Removing VR heatsink 74 Insta...

Page 5: ...7 Real Time Clock RTC Reset 97 System diagnostic lights 97 Diagnostic error messages 98 System error messages 101 Recovering the operating system 101 Flashing BIOS USB key 102 Flashing the BIOS 102 WiFi power cycle 102 6 Getting help and contacting Dell 103 A Cable cover 105 B Dust filter 111 Contents 5 ...

Page 6: ...a wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins CAUTION When you disconnect a ca...

Page 7: ...n damage circuits in ways that may not be obvious such as intermittent problems or a shortened product life span As the industry pushes for lower power requirements and increased density ESD protection is an increasing concern Due to the increased density of semiconductors used in recent Dell products the sensitivity to static damage is now higher than in previous Dell products For this reason som...

Page 8: ...he kit for a server environment is different than for a desktop or portable environment Servers are typically installed in a rack within a data center desktops or portables are typically placed on office desks or cubicles Always look for a large open flat work area that is free of clutter and large enough to deploy the ESD kit with additional space to accommodate the type of system that is being r...

Page 9: ...this task After you complete any replacement procedure ensure that you connect any external devices cards and cables before turning on your computer Steps 1 Connect any telephone or network cables to your computer CAUTION To connect a network cable first plug the cable into the network device and then plug it into the computer 2 Connect your computer and all attached devices to their electrical ou...

Page 10: ... device to go into standby without needing to refresh its memory Deep power down mode is expected to reduce standby power consumption by 40 to 50 percent DDR4 Details There are subtle differences between DDR3 and DDR4 memory modules as listed below Key notch difference The key notch on a DDR4 module is in a different location from the key notch on a DDR3 module Both notches are on the insertion ed...

Page 11: ...n a single RAID array where both the volumes can be of the same or different type IRST encapsulates newer level of protection with better performance and low power consumption IRST user interface simplifies creation and management of storage assets The fault tolerance is averted using one of the following RAID levels 1 RAID 0 Striping Multiple storage devices are combined to what appears to be a s...

Page 12: ...culation 4 RAID 10 Striping and Mirroring RAID 10 is created mirroring RAID 1 the stripped RAID 0 array This RAID level uses four or more storage devices It has great reliability like a RAID 1 and performance like a RAID 0 RAID ready A RAID Ready configuration allows migration from one non RAID SATA drive to a SATA RAID configuration NOTE A reinstall of the operating system is not required for the...

Page 13: ...h Definition Multimedia Interface is an industry supported uncompressed all digital audio video interface HDMI provides an interface between any compatible digital audio video source such as a DVD player or A V receiver and a compatible digital audio and or video monitor such as a digital TV DTV The intended applications for HDMI TVs and DVD players The primary advantage is cable reduction and con...

Page 14: ...a single cable eliminating the cost complexity and confusion of multiple cables currently used in A V systems HDMI supports communication between the video source such as a DVD player and the DTV enabling new functionality 14 Technology and components ...

Page 15: ...y unit 11 System board 12 Front fan 13 Processor 14 Heatsink assembly NOTE Dell provides a list of components and their part numbers for the original system configuration purchased These parts are available according to warranty coverages purchased by the customer Contact your Dell sales representative for purchase options 3 Major components of your system 15 ...

Page 16: ... Table 1 Screw list Component 6 32x1 4 M2x2 5 M3X3 M2X3 5 Power supply bracket 2 Power supply unit 4 Heat sink blower 95 W heat sink solution 3 System fan bracket 1 System board 8 IO panel 1 Security lock metal bracket 2 Solid state drive SSD card 1 Optical drive bracket 1 Optional IO card 2 WLAN card and SMA antenna module 1 Chassis rubber feet Removing the chassis rubber feet Steps 1 Follow the ...

Page 17: ...2 Pull one end of rubber feet out of the slot 1 and slide the rubber feet to remove it from the system 2 Figure 4 Front rubber feet removal Disassembly and reassembly 17 ...

Page 18: ... removal Installing the chassis rubber feet Steps 1 Insert one end of the rubber feet into the slot 1 and slide it to secure it to the system 2 and press the other end to secure it to the system 3 18 Disassembly and reassembly ...

Page 19: ...Figure 6 Front rubber feet installation Disassembly and reassembly 19 ...

Page 20: ...r Computer Cover Removing the cover Steps 1 Follow the procedure in Before Working Inside Your Computer 2 Pull the release latch to release the cover 1 NOTE Release latch may have been secured with a security screw Remove the security screw to release the cover 20 Disassembly and reassembly ...

Page 21: ...ft the cover to remove it from the computer 2 3 Installing the cover Steps 1 Align the hooks on the cover with the tabs on the chassis of the computer 2 Rotate the cover until it clicks into place Disassembly and reassembly 21 ...

Page 22: ...card optional SD card is an optional component You will see a SD card only in systems shipped with a WWAN card Removing the SD card Steps 1 Follow the procedure in Before Working Inside Your Computer 2 Pull the SD card out of the system 22 Disassembly and reassembly ...

Page 23: ...Installing the SD card Steps 1 Insert the SD card into the SD card slot on the system Disassembly and reassembly 23 ...

Page 24: ...Steps 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover 3 To remove the front bezel a Lift the retention tabs 1 to release the front bezel b Rotate and pull the front bezel to release the front bezel from the slots on the chassis 2 3 24 Disassembly and reassembly ...

Page 25: ... 2 Rotate the front bezel toward the computer 3 Press the front bezel until the tabs click into place 4 Install the cover 5 Follow the procedure in After Working Inside Your Computer Hard drive Removing the 3 5 inch hard drive Steps 1 Follow the procedure in Before Working Inside Your Computer Disassembly and reassembly 25 ...

Page 26: ...d drive bay 3 5 Flex the hard drive bracket 1 and lift the hard drive from the hard drive bracket 2 6 To remove additional hard drive if available repeat steps from 3 to 5 Installing the 3 5 inch hard drive Steps 1 Insert the holes on one side of the hard disk into the pins on the hard drive bracket and then place the hard drive into the bracket 26 Disassembly and reassembly ...

Page 27: ...ollow the steps from 1 to 3 5 Install the cover 6 Follow the procedure in After Working Inside Your Computer Removing the 2 5 inch hard drive Steps 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover 3 Disconnect the data cables and the power cables from the respective connectors on the hard drives 1 Disassembly and reassembly 27 ...

Page 28: ...3 5 Disconnect the data cables and the power cables from the respective connectors on the hard drives 1 6 Press the blue securing bracket tabs and lift the hard drive bracket out of the bottom hard drive bays 2 7 Disconnect the SATA power cable from the connectors on the PSU 3 28 Disassembly and reassembly ...

Page 29: ... Installing the 2 5 inch hard drive Steps 1 Insert the holes on one side of the hard disk into the pins on the hard drive bracket 1 and then place the hard drive into the bracket such that the pins on other side of the bracket is aligned with the holes on the hard drive 2 NOTE Follow the same procedure to install another hard drive on the other side of the bracket Disassembly and reassembly 29 ...

Page 30: ... to the respective connectors on the hard drives 2 4 Slide the hard drive assembly into the bottom hard drive bay 1 5 Connect the data cables and the power cables to the respective connectors on the hard drives 2 6 Route the power SATA cables along the guide to connect to the PSU 3 30 Disassembly and reassembly ...

Page 31: ...ing Inside Your Computer PSU hinge Opening the PSU hinge Steps 1 Follow the procedure in Before working inside your computer 2 Remove the cover 3 Unlock the PSU release latches 1 2 4 Rotate the PSU hinge as shown in the figure 3 Disassembly and reassembly 31 ...

Page 32: ...Closing the PSU hinge Steps 1 Rotate the PSU hinge 1 2 Unlock the PSU release latches to secure the PSU hinge to the system 2 3 3 Install the cover 32 Disassembly and reassembly ...

Page 33: ...cards in a dual graphics card configuration 1 4 Lift the plastics latch to free the cables 2 and unroute the cables from the tabs 3 5 Open the PSU hinge 6 Press the releasing clip and disconnect the graphics card power cable from the connector on the graphics card 1 7 NOTE A PCIe holder may not be required for system shipped with NVIDIA Quadro P4000 or RTX4000 dual graphics cards configuration Lif...

Page 34: ...9 Push the card retention latch away from the card 1 and lift the graphics card out of the computer 2 34 Disassembly and reassembly ...

Page 35: ...Installing the graphics card About this task NOTE Follow the same steps except step 2 to install the expansion card Disassembly and reassembly 35 ...

Page 36: ...e connector on the system board Figure 8 Single graphics card Figure 9 Dual graphics card 2 Connect the graphics card power cable to the connector on the graphics card for a single graphics card configuration 1 36 Disassembly and reassembly ...

Page 37: ...e VGA power cables to the dual graphics card configuration a Unroute the VGA power cables from the securing tabs on the PSU 1 b Lift the plastics latch to free the cables 2 c Connect the VGA power cables to the connectors on both the graphics card 3 6 Install the Cover 7 Follow the procedure in After working inside your computer Disassembly and reassembly 37 ...

Page 38: ...the memory module 1 4 Lift the memory module out of the connectors on the system board 2 Installing the memory module Steps 1 Align the notch on the memory module with the tab on the memory module connector 2 Press the memory module until the retention tabs clicks into place 3 Install the cover 4 Follow the procedure in After Working Inside Your Computer 38 Disassembly and reassembly ...

Page 39: ...d 1 b Unroute the speaker cable from the tabs on the system board 2 3 c Press the release tab and pull the speaker out from front of the system chassis 4 Installing the speaker Steps 1 To install speaker for system a Replace the speaker into the rear portion of the chassis above the front fan 1 b Route the speaker cable along the tabs on the I O port of the system board 2 3 and connect it to the s...

Page 40: ... the coin cell battery Steps 1 Follow the procedure in Before working inside your computer 2 Remove the cover 3 Open the PSU hinge 4 To remove the coin cell battery a Press the release latch until the coin cell battery pops out 1 b Remove the coin cell battery from the connector on the system board 2 40 Disassembly and reassembly ...

Page 41: ... Steps 1 Hold the coin cell battery with the sign facing up and slide it under the securing tabs at the positive side of the connector 1 2 Press the battery into the connector until it locks into place 2 Disassembly and reassembly 41 ...

Page 42: ...ove a Cover b Heatsink assembly 3 Open the PSU hinge 4 Disconnect the following cables a Disconnect the optical drive power cable from the optical drive 1 b Disconnect the CPU power cable and system board power cable from the system board 2 3 c Disconnect the graphics card power cable from the connector on the graphics card 4 d Unroute the CPU power cable from the routing guide on the chassis 5 42...

Page 43: ... cables depending on the quantity of hard disk drive installed b Remove the two 6 32x1 4 screws that secure the power supply bracket to the chassis 2 and lift the power supply bracket from the system 3 c Remove the four 6 32x1 4 screws that secure the power supply unit to the chassis 4 d Lift the PSU off the chassis 5 Disassembly and reassembly 43 ...

Page 44: ...e back of the computer until it clicks into place 1 2 Replace the four 6 32x1 4 screws to secure the PSU to the computer 2 3 Place the power supply bracket 3 and tighten the two 6 32x1 4 screws to secure the PSU to the computer 4 4 Connect the hard drive power cable 5 44 Disassembly and reassembly ...

Page 45: ...CPU power cable through the routing guide on the chassis 1 b Connect the graphics card power cable 2 c Connect the system board power cable 3 d Connect the CPU power cable to the connector on the system board 4 e Connect the optical drive power cable to the connector on the optical drive 5 Disassembly and reassembly 45 ...

Page 46: ...cal drive Removing the optical drive Steps 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover 3 Front bezel 4 Open the PSU hinge 5 Disconnect the data cable and the power cable from the optical drive 1 6 Hold and pull the optical drive latch to unlock the optical drive 2 46 Disassembly and reassembly ...

Page 47: ...e the optical drive from the front of the computer 8 Remove the M2x2 5 screw that secures the optical drive bracket to the optical drive 1 and remove the optical drive bracket 2 Disassembly and reassembly 47 ...

Page 48: ...hole on the optical drive 1 and replace the M2x2 5 screw to secure the optical drive bracket to the optical drive 2 2 Slide the optical drive into the drive bay from the front of the computer until it is secured 3 Connect the data cable and power cable to the optical drive 48 Disassembly and reassembly ...

Page 49: ... SMA antenna Steps 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the a Cover b PSU hinge 3 Remove the single M2x3 5 screw that secures the WLAN card to the system board un route the antenna cables from the rubber guides on the system board 1 4 Slide and remove the external antenna connector from the PCIe slot on the chassis 2 Disassembly and reassembly 49 ...

Page 50: ...system board 3 6 Remove the plastic bracket from the top of the antenna connector 4 7 Gentrly remove the antenna cables from the connectors on the WLAN card 5 8 Separate the WLAN module and SMA antenna 6 50 Disassembly and reassembly ...

Page 51: ...astic bracket on the antenna connectors of the WLAN module 4 Insert the WLAN module into the M 2 slot on the system board 5 Replace PCIe bracket into its slot on the chassis 6 Route the antenna cables through the rubber guides on the system board and replace the single M2x3 5 screw securing the WLAN module to the system board Disassembly and reassembly 51 ...

Page 52: ... Steps 1 Follow the procedure in Before working inside your computer 2 Remove the a Cover b Front bezel c Optical drive 3 Open the PSU hinge 4 Disconnect the IO audio cable from the connector on the system board 1 and unroute the cable from routing guides next to the system board on the chassis 2 52 Disassembly and reassembly ...

Page 53: ...ct the following cables from their respective connectors on the system board System board power connector cable 1 2 SD card cable 3 Type C cable 4 IO USB cable 5 Unroute the cables 6 Disassembly and reassembly 53 ...

Page 54: ...6 Remove the 6 32x1 4 screw that secures the IO panel to the chassis 54 Disassembly and reassembly ...

Page 55: ...7 Lift the IO panel to release the tabs on the IO panel from the slots on the chassis Disassembly and reassembly 55 ...

Page 56: ...8 Pull the IO panel along with the cables to remove it from the IO panel slot on the chassis 56 Disassembly and reassembly ...

Page 57: ...Installing the IO panel Steps 1 Insert the cables through the IO panel slot on the chassis Disassembly and reassembly 57 ...

Page 58: ...2 Insert the IO panel tabs into the slots on the system 1 and tilt the IO panel to secure it to the system 2 58 Disassembly and reassembly ...

Page 59: ...3 Replace the 6 32x1 4 screw to secure the IO panel to the system Disassembly and reassembly 59 ...

Page 60: ...ough the routing channel 1 and connect the following cables to their respective connectors on the system board IO USB cable 2 Type C cable 3 SD card cable 4 System board power connector cable 5 60 Disassembly and reassembly ...

Page 61: ...5 Route the IO audio cable through the routing clip next to the system board on the chassis 1 6 Connect the IO audio cable to the connector on the system board 2 Disassembly and reassembly 61 ...

Page 62: ...r Computer Solid state drive Removing the PCIe SSD card Prerequisites NOTE The instructions are applicable for removal of M 2 SATA SSD card also Steps 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the a cover b Graphics card 3 Open the PSU hinge 4 To remove the SSD card 62 Disassembly and reassembly ...

Page 63: ... b Slide and lift the PCIe SSD card from the computer 2 c Remove the SSD thermal pad 3 Figure 10 2242 SSD Installing the PCIe SSD card About this task NOTE The instructions are applicable for installation of M 2 SATA SSD card also Disassembly and reassembly 63 ...

Page 64: ... the PCIe SSD card into the slot and tighten the M2x2 5 screw to secure the SSD card to the system board 2 3 Figure 11 2242 SSD 3 Install the a Cover b Graphics card 4 Close the PSU hinge 5 Follow the procedure in After Working Inside Your Computer 64 Disassembly and reassembly ...

Page 65: ...nnect the power button module cable from the connector on the system board 1 5 Remove the button module cable from the routing guides next to the system board on the chassis 2 3 6 Remove the adhesive tape that secures the power button module to the chassis 1 7 Press the notches to release the power button module and pull the power button module to remove it from the system 2 3 Disassembly and reas...

Page 66: ... this task Steps 1 Insert the power button module into its slot on the system 1 and press the notches and secure it to the system 2 2 Affix the adhesive tape to secure the power button module to the system 3 66 Disassembly and reassembly ...

Page 67: ...3 Route the power button module cable through the routing clips on the system 1 2 4 Connect the power button module cable to the connector on the system board 3 Disassembly and reassembly 67 ...

Page 68: ...hese steps applies to system configurations shipped with 65 W or 80 W CPU Steps 1 Follow the procedure in Before working inside your computer 2 Remove the Cover 3 Open the PSU hinge 4 To remove the heat sink assembly a Disconnect the heat sink assembly cable from the connector on the system board 1 b Loosen the 4 captive screws that secure the heat sink assembly 2 and lift it from the system 3 68 ...

Page 69: ...s task These steps applies to system configurations shipped with 125 W CPU Steps 1 Follow the procedure in Before working inside your computer 2 Remove the cover 3 Open the PSU hinge 4 Remove the three 6 32x1 4 screws that secure the blower to the heat sink assembly 1 5 Flip over the blower and place it to a side 2 Disassembly and reassembly 69 ...

Page 70: ...the captive screws that secure the heat sink assembly to the system board 1 7 Lift the heat sink assembly off the system board 2 8 Disconnect the blower cable from the system board 70 Disassembly and reassembly ...

Page 71: ... assembly with the screw holders on the system board and place it on the processor 1 2 Tighten the 4 captive screws to secure the heat sink assembly to the system board 2 NOTE Tighten the screws in a sequential order 1 2 3 4 as mentioned on the system board 3 Connect the heat sink assembly cable to the connector on the system board 3 Disassembly and reassembly 71 ...

Page 72: ...ter Installing blower and heat sink assembly 125 W CPU About this task These steps applies to system configurations shipped with 125 W CPU Steps 1 Route the blower cable through the heat sink assembly 1 and connect the blower cable to the connector on the system board 2 72 Disassembly and reassembly ...

Page 73: ...system board 4 Tighten the captive screws that secure the heat sink assembly to the system board 5 Align the screw holes on the blower to the screw holes on the heat sink assembly and place the blower over the heat sink assembly 1 6 Replace the screws that secure the blower to the heat sink assembly 2 Disassembly and reassembly 73 ...

Page 74: ...ing VR heatsink Steps 1 Follow the procedure in Before working inside your computer 2 Remove the a Cover b Graphics card c SSD d Heatsink assembly 3 Open the PSU hinge 4 Loosen the captive screws that secure the VR heatsink to the system board 1 5 Lift the VR heatsink from the system board 2 74 Disassembly and reassembly ...

Page 75: ...or 80 W CPU Figure 13 VR heatsink assembly for systems shipped with 125 W CPU Installing VR heatsink Steps 1 Align the screws on the heatsink with the screw holders on the system board and place the VR heatsink on the system board 1 Disassembly and reassembly 75 ...

Page 76: ...k to the system board 2 Figure 14 VR heatsink assembly for systems shipped with 65 W or 80 W CPU Figure 15 VR heatsink assembly for systems shipped with 125 W CPU 3 Install the a Heatsink assembly b SSD c Graphics card d Cover 76 Disassembly and reassembly ...

Page 77: ...the procedure in Before Working Inside Your Computer 2 Remove the a Cover b PSU hinge 3 Unroute the hard drive card cables from over the fan bracket 4 Disconnect the front fan cable from the system board 5 To release the front fan from the bracket push the tab securing the front fan to the bracket Disassembly and reassembly 77 ...

Page 78: ...6 Lift the front fan off the computer 7 Release the fan cable from the hook on the fan frame 1 and flip over 2 8 Pry from all sides 3 and remove the fan from the frame 4 78 Disassembly and reassembly ...

Page 79: ...e fan into the frame 1 and flip over 2 2 Route the fan cable through the hook on the fan frame 3 3 Replace the front fan on the fan bracket 4 Press the tab to secure the front fan to the bracket on the computer Disassembly and reassembly 79 ...

Page 80: ...5 Connect the front fan cable to the system board 6 Route the hard drive card cables from over the front fan bracket 80 Disassembly and reassembly ...

Page 81: ...mbly 3 Disconnect the system fan cable from the connector on the system board 4 Remove the 6 32x1 4 screw that secures the system fan bracket to the chassis 1 5 Slide the system fan assembly towards the front of the computer to release it from the chassis and pull the system fan assembly to remove it from the system 3 Disassembly and reassembly 81 ...

Page 82: ...off the system fan bracket 3 Figure 16 Removing the chassis fan Installing system fan Steps 1 Insert the rubber grommets through the holders on the system fan bracket align the system fan holes with the rubber grommets and insert the rubber grommets through the holes on the system fan to secure the system fan to the bracket 1 2 Route the system fan cable through the routing channel on the system f...

Page 83: ...bly 1 4 Replace the 6 32x1 4 screw to secure the system fan bracket to the chassis 2 5 Connect the system fan cable to the connector on the system board 3 6 Install the a Heatsink assembly b PSU hinge c Cover 7 Follow the procedure in After working inside your computer Disassembly and reassembly 83 ...

Page 84: ...n the PSU hinge 4 To remove the optional IO card a Disconnect the IO card cable from the connector on the system board 1 b Remove the two M3X3 screws that secure the IO card to the system 2 c Remove the IO card from the system 3 Installing the optional IO card Steps 1 To remove the metal bracket as shown below insert a flathead screwdriver in the hole of the bracket 1 push the bracket to release t...

Page 85: ...m the inside of your computer 1 and replace the two M3X3 screws to secure the IO card to the system 2 3 Connect the IO card cable to the connector on the system board 3 4 Close the PSU hinge 5 Install the cover Disassembly and reassembly 85 ...

Page 86: ...ield 1 b Lift the lever upward and lift the processor shield 2 c Lift the processor out of the socket 3 Installing the processor Steps 1 Align the pin 1 indicator of the processor with the triangle on the socket and place the processor on the socket such that the slots on the processor align with the socket keys 1 2 Close the processor shield by sliding it under the retention screw 2 3 Lower the s...

Page 87: ...rocedure in Before working inside your computer 2 Remove the cover 3 Open the PSU hinge 4 To remove the intrusion switch a Disconnect the intrusion switch cable from the connector on the system board 1 b Unroute the intrusion switch cable from the routing clips on the chassis 2 c Slide the intrusion switch and lift it to remove from the computer 3 Disassembly and reassembly 87 ...

Page 88: ...ide the intrusion switch into the slot on the computer 1 2 Route the intrusion switch cable through the routing clips on the chassis 2 3 Connect the intrusion switch cable to the connector on the system board 3 88 Disassembly and reassembly ...

Page 89: ... Cover b PSU hinge c Memory module d Graphics card e SSD f WLAN module and SMA antenna g Heatsink assembly h VR heat sink for models shipped with 95W heat sink assembly i Processor 3 Remove the following cables System fan cable intrusion cable and IO panel cable 1 CPU power cable 2 System board power connector cable 3 4 Remove the following cables SD card cable 1 Type C cable 2 IO USB cable 3 Disa...

Page 90: ...mary HDD SATA cable 4 ODD SATA cable 5 5 Remove the following cables Speaker cable 1 IO audio cable 2 6 Remove the 8 6 32x1 4 screws that secure the system board to the chassis 90 Disassembly and reassembly ...

Page 91: ...uter Installing the system board Steps 1 Slide the I O ports on the system board into the slots on the chassis and place the system board on the chassis 1 Align the screw holes on the system board with the screw holes on the chassis 2 Disassembly and reassembly 91 ...

Page 92: ...2 Replace the 8 6 32x1 4 screws that secure the system board to the chassis 3 Route and connect the following cables IO audio cable 1 Speaker cable 2 92 Disassembly and reassembly ...

Page 93: ...ct the following cables ODD SATA cable 1 Primary HDD SATA cable 4 IO USB cable 3 Type C cable 4 SD card cable 5 5 Route and connect the following cables System board power connector cable 1 Disassembly and reassembly 93 ...

Page 94: ...hipped with 95W heat sink assembly c Heatsink assembly for models shipped with 95W heat sink assembly d WLAN module and SMA antenna for models shipped with 95W heat sink assembly e SSD f Graphics card g Memory module h PSU hinge i Cover 7 Follow the procedure in After Working Inside Your Computer 94 Disassembly and reassembly ...

Page 95: ...Card reader connector 11 Front panel USB Type C connector 12 Front panel USB Type A connector 13 SATA 3 0 data connector SATA0 14 SATA 3 0 data connector SATA1 15 SATA 3 0 data connector SATA2 and 3 16 M 2 2280 PCIe x4 keyed M for solid state drive 17 Front fan connector 18 CAC_PIV BT connector 19 M 2 2280 PCIe x4 SATA keyed M for solid state drive 20 PWR_BTN 21 System fan connector HDD FAN 22 Fro...

Page 96: ...28 M 2 2230 PCIe x1 slot keyed E for WiFi and Bluetooth card 96 Disassembly and reassembly ...

Page 97: ...o POST Blinking Amber White Failure to POST This platform relies on the Power button LED light blinking in an amber white pattern to determine a failure as listed in the following table NOTE The blinking patterns consists of two numbers representing First Group Amber blinks Second Group White blinks First Group The Power button LED light blinks Amber 1 to 9 times followed by a short pause with LED...

Page 98: ...ntact Dell CD DRIVE CONTROLLER FAILURE The optical drive does not respond to commands from the computer DATA ERROR The hard drive cannot read the data DECREASING AVAILABLE MEMORY One or more memory modules may be faulty or improperly seated Reinstall the memory modules or if necessary replace them DISK C FAILED INITIALIZATION The hard drive failed initialization Run the hard drive tests in Dell Di...

Page 99: ...nd boot the computer from an optical Then shut down the computer reinstall the hard drive and restart the computer If the problem persists try another drive Run the Hard Disk Drive tests in Dell Diagnostics INSERT BOOTABLE MEDIA The operating system is trying to boot to non bootable media such as an optical drive Insert bootable media INVALID CONFIGURATION INFORMATION PLEASE RUN SYSTEM SETUP PROGR...

Page 100: ...Reinstall the operating system If the problem persists Contact Dell OPTIONAL ROM BAD CHECKSUM The optional ROM has failed Contact Dell SECTOR NOT FOUND The operating system cannot locate a sector on the hard drive You may have a defective sector or corrupted File Allocation Table FAT on the hard drive Run the Windows error checking utility to check the file structure on the hard drive See Windows ...

Page 101: ...cted and that the drive is installed properly and partitioned as a boot device Enter system setup and ensure that the boot sequence information is correct No timer tick interrupt A chip on the system board might be malfunctioning or motherboard failure NOTICE Hard Drive SELF MONITORING SYSTEM has reported that a parameter has exceeded its normal operating range Dell recommends that you back up you...

Page 102: ...ort 3 Click Product support enter the Service Tag of your computer and then click Submit NOTE If you do not have the Service Tag use the auto detect feature or manually browse for your computer model 4 Click Drivers downloads Find it myself 5 Select the operating system installed on your computer 6 Scroll down the page and expand BIOS 7 Click Download to download the latest version of the BIOS for...

Page 103: ...ttps www dell com support home app knowledgebase 2 Type the subject or keyword in the Search box 3 Click Search to retrieve the related articles Learn and get more information about your product Product specifications Operating system Setting up and using your product Data backup Troubleshooting and diagnostics Factory and system restore BIOS information Dell provides several online and telephone ...

Page 104: ...r of the page 3 For customized support a Enter your system Service Tag in the Enter your Service Tag field b Click submit The support page that lists the various support categories is displayed 4 For general support a Select your product category b Select your product segment c Select your product The support page that lists the various support categories is displayed 5 For contact details of Dell...

Page 105: ...tion only and may vary depending on the system s configuration Steps 1 Insert the tab on the security lock metal bracket into the slot on the rear side of the system 1 and rotate to align the holes on the metal bracket with screw holders on the chassis 2 2 Fasten the two 6 32x1 4 screws to secure the security metal bracket to the chassis 3 3 Pull the cable release latch and lift the latch away fro...

Page 106: ...lease and pull the cable tie from the slot on the cable release latch 2 5 Align the cable release latch on the system chassis slot 1 Tighten the screw to secure the cable release latch to the system chassis 2 106 Cable cover ...

Page 107: ...ct them to their respective ports on the system 2 Secure the cable with the cable tie and lock the tab in place 3 CAUTION Take care not to break or bend the delicate plastic hooks 7 Align the plastic hooks of the cable cover to the slots on the system Cable cover 107 ...

Page 108: ...towards the chassis 2 to lock the cable cover in place NOTE For added security use the Padlock ring to secure the system 9 To remove the cable cover a Slide the latch away from the chassis to unlock the cable cover 1 b Lift the cable cover away from the system chassis 2 108 Cable cover ...

Page 109: ...le cover to release it from the chassis 11 Open the tab and unroute the cables from cable tie 1 disconnect the cables from the ports on the system 2 Remove the cables from the slot of the cable cover 3 Cable cover 109 ...

Page 110: ...110 Cable cover ...

Page 111: ...on the time interval set About this task Follow these steps to install the dust filter Steps 1 Align the plastic tabs of the dust filter to the slots on the system chassis and gently press to ensure that the dust filter fits firmly onto the system 2 To remove the dust filter a With the help of a plastic scribe gently pry the edge from the bottom to loosen the dust filter 1 b Remove the dust filter...

Page 112: ...enance and select from any of the following intervals 15 30 60 90 120 150 or 180 days NOTE Default setting Disabled NOTE Alerts are generated only during a system reboot and not during normal OS operation Next steps To clean the dust filter brush or gently vacuum and then wipe down the external surfaces with a moist cloth 112 Dust filter ...

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Dell Precision 3640 Tower, Service Manual

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