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Installing the speaker cover

1. Align and push the speaker cover to pop tabs into its position on the back of the computer.
2. Tighten the screws to secure the speaker cover to the computer.
3. Install the:

a)

back cover

b)

cable cover

c)

stand

4. Follow the procedure in 

After Working Inside Your Computer

.

Disassembly and reassembly

19

Summary of Contents for OptiPlex 7440 All-In-One W11C

Page 1: ...Dell OptiPlex 7440 All In One Owner s Manual Regulatory Model W11C Regulatory Type W11C001 ...

Page 2: ...age 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 2018 2019 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 2018 09 Rev A03 ...

Page 3: ...e speaker cover 19 Solid State Drive optional 20 Removing the SSD card 20 Installing the SSD card 20 Hard drive assembly 21 Removing the hard drive assembly 21 Installing the hard drive assembly 23 Optical drive assembly 23 Removing the optical drive assembly 23 Installing the optical drive assembly 25 System board shield 25 Removing the system board shield 25 Installing the system board shield 27...

Page 4: ...5 Removing the coin cell battery 55 Installing the coin cell battery 56 Processor 56 Removing the processor 56 Installing the processor 57 System board 58 Removing the system board 58 System Board Layout 60 Installing the system board 61 Display assembly 61 Removing the display assembly 61 Installing the display assembly 63 3 System setup 64 Boot Sequence 64 Navigation keys 64 System setup options...

Page 5: ...ecifications 75 Video specifications 76 Audio specifications 76 Communication specifications 76 Cards specifications 76 Display specifications 76 Drives specifications 77 Port and connector specifications 77 Power specifications 77 Camera specifications optional 78 Stand specifications 78 Physical specifications 78 Environmental specifications 78 5 Contacting Dell 80 Contents 5 ...

Page 6: ...e replaced or if purchased separately installed by performing the removal procedure in reverse order NOTE Disconnect all power sources before opening the computer cover or panels After you finish working inside the computer replace all covers panels and screws before connecting to the power source NOTE Before working inside your computer read the safety information that shipped with your computer ...

Page 7: ...m will not power on if the side cover is removed Turning off your computer After working inside your computer After you complete any replacement procedure ensure that you connect any external devices cards and cables before turning on your computer 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 plu...

Page 8: ...ame for all the three stands 1 Follow the procedure in Before working inside your computer 2 Place the computer on clean flat surface with the display facing downward 3 To remove the stand a Press the tab on the cover to release the stand 1 b Lift the stand upward 2 NOTE Each of the three stands will attach and detach in the same manner Figure 1 Height Adjustable Stand 2 8 Disassembly and reassemb...

Page 9: ...Figure 2 Height Adjustable Stand Disassembly and reassembly 9 ...

Page 10: ...Figure 3 Fix stand Figure 4 Articulate stand 4 Slide the stand and lift it away from the back cover 10 Disassembly and reassembly ...

Page 11: ...ocedure in After working inside your computer Cable cover Removing the cable cover 1 Follow the procedure in Before working inside your computer 2 Remove the stand 3 To remove the cable cover a Remove the screw that secures the cable cover to the computer 1 b Push the release tabs to release the cable cover 2 c Lift the cable cover away from the computer 3 Disassembly and reassembly 11 ...

Page 12: ...12 Disassembly and reassembly ...

Page 13: ...secure the cable cover to the computer 3 Install the stand 4 Follow the procedure in After working inside your computer Back cover Removing the back cover 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b cable cover 3 Pry the edges of the back cover from the bottom to release it from the computer Disassembly and reassembly 13 ...

Page 14: ...14 Disassembly and reassembly ...

Page 15: ...4 Lift the back cover from the computer Disassembly and reassembly 15 ...

Page 16: ...ign the notches on the back cover to the holes on the computer and press the back cover until it snaps in 2 Install the a cable cover b stand 3 Follow the procedure in After working inside your computer 16 Disassembly and reassembly ...

Page 17: ...r 2 Remove the a stand b cable cover c back cover 3 Remove the screws that secure the speaker cover to the computer 4 To remove the speaker cover a Remove the screws that secure the speaker cover to the computer 1 b Slide the speaker cover to release it from the computer 2 Disassembly and reassembly 17 ...

Page 18: ...5 Pull and remove the speaker cover from the computer NOTE To avoid damage to the back cover release it from the pull tabs 18 Disassembly and reassembly ...

Page 19: ...r to pop tabs into its position on the back of the computer 2 Tighten the screws to secure the speaker cover to the computer 3 Install the a back cover b cable cover c stand 4 Follow the procedure in After Working Inside Your Computer Disassembly and reassembly 19 ...

Page 20: ... SSD card to the computer 1 NOTE System is shipped with 2 5 inch SATA drive on the ODD drive port Optional b Lift the SSD card away from the connector 2 Installing the SSD card 1 Insert the SSD card into the connector 2 Tighten the screw to secure the SSD card to the system board 3 Install the a system board shield b back cover c stand 4 Follow the procedure in After working inside your computer 2...

Page 21: ...omputer 2 Remove the a stand b back cover 3 To remove the hard drive assembly a Press the tab on the bracket and slide the hard drive assembly until the tabs are released from either side of the assembly 1 b Slide the hard drive assembly upwards to remove it from the computer 2 Disassembly and reassembly 21 ...

Page 22: ...22 Disassembly and reassembly ...

Page 23: ...ard Drive assembly until the tab locks into the cage 3 Install the a back cover b stand 4 Follow the procedure in After working inside your computer Optical drive assembly Removing the optical drive assembly 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover 3 To remove the optical drive assembly a Press the securing tab at the base of the drive to rele...

Page 24: ...24 Disassembly and reassembly ...

Page 25: ...bly into the drive slot until it snaps in 4 Install the a back cover b stand 5 Follow the procedure in After working inside your computer System board shield Removing the system board shield 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover 3 To remove the system board shield a Press the securing tab to release the system board shield from the slots on...

Page 26: ...26 Disassembly and reassembly ...

Page 27: ...in After working inside your computer Heat sink Removing the heat sink 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover c system board shield 3 To remove the heat sink a Remove the screws that secure the heat sink to the chassis 1 2 b Lift the heat sink away from the computer 3 Disassembly and reassembly 27 ...

Page 28: ...28 Disassembly and reassembly ...

Page 29: ... your computer WLAN card Removing the WLAN card 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover c system board shield 3 To remove the WLAN card a Disconnect the antenna cables from the connectors on the WLAN card 1 b Remove the screw that secures the WLAN card to the system board 2 c Hold the WLAN card and pull it from the connector on the system boa...

Page 30: ...30 Disassembly and reassembly ...

Page 31: ...cover c stand 5 Follow the procedure in After working inside your computer Speaker module Removing the speaker module 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover c cable cover d speaker cover e system board shield 3 To release the speaker module a Disconnect the speaker cable from the connector on the system board 1 b Unthread the speaker cables ...

Page 32: ...32 Disassembly and reassembly ...

Page 33: ...4 To remove the speaker module a Remove the screws that secure the speaker module to the chassis 1 b Lift the speaker module and remove it from the chassis 2 Disassembly and reassembly 33 ...

Page 34: ...34 Disassembly and reassembly ...

Page 35: ...er working inside your computer Converter board Removing the converter board 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover c cable cover d speaker cover e system board shield f power supply unit g VESA mount bracket 3 To remove the converter board a Disconnect the convertor board cable from the converter board 1 b Disconnect the display backlight c...

Page 36: ...he following steps as shown in the illustration a Disconnect the convertor board cable from the converter board 1 2 b Disconnect the display backlight cable from the converter board 3 36 Disassembly and reassembly ...

Page 37: ...cure the converter board to the chassis 3 Connect the converter board cable and display backlight cable to the connectors on the converter board 4 Install the a VESA mount bracket b power supply unit c system board shield d speaker cover e cable cover f back cover g stand 5 Follow the procedure in After working inside your computer Power supply unit Removing the Power Supply Unit PSU 1 Follow the ...

Page 38: ...3 To release the PSU cable a Unthread the power supply cables from the retention clips in the chassis 1 b Disconnect the power supply cable from the connector on the system board 2 NOTE Press lock clip to release the power supply cable from the system board 38 Disassembly and reassembly ...

Page 39: ...Disassembly and reassembly 39 ...

Page 40: ... the side of the VESA mount bracket The PSU near that is not visible in the removing cables from retention clips image a Remove the screw that secures the power supply socket to the chassis 1 b Slide the socket to remove it from the computer 2 40 Disassembly and reassembly ...

Page 41: ...Disassembly and reassembly 41 ...

Page 42: ...Field Engineers to ensure defective Power Supply Unit is returned along with BIST board a Remove the screw that secures the PSU to the chassis 1 b Slide the PSU and lift it away from the chassis 2 42 Disassembly and reassembly ...

Page 43: ...Disassembly and reassembly 43 ...

Page 44: ...tors on the system board 7 Install the a system board shield b speaker cover c cable cover d back cover e stand 8 Follow the procedure in After working inside your computer Mount bracket Removing the VESA mount bracket 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover c cable cover d speaker cover e system board shield f power supply unit 3 To remove t...

Page 45: ...Disassembly and reassembly 45 ...

Page 46: ...ter working inside your computer System fan Removing the system fan 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover c cable cover d speaker cover e system board shield f power supply unit g VESA mount bracket 3 To remove the system fan a Disconnect the system fan cable from the connector on the system board 1 b Remove the screws that secure the syste...

Page 47: ...Disassembly and reassembly 47 ...

Page 48: ...cover g stand 5 Follow the procedure in After working inside your computer Memory module Removing the memory module 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover c system board shield 3 Pry the retention clips away from the memory module until it pops up Lift and remove the memory module from its connector 4 To remove the memory module a Pry the re...

Page 49: ...Installing the memory module 1 Insert the memory module on the memory connector until the clips secure the memory module 2 Install the a system board shield Disassembly and reassembly 49 ...

Page 50: ...r d speaker cover e system board shield f power supply unit g VESA mount bracket 3 To remove the intrusion switch a Disconnect the intrusion switch cable from the connector on the system board 1 b Unthread the intrusion switch cable from the retention clips on the computer 2 c Remove the screw that secures the intrusion switch to the computer 3 d Slide and lift the intrusion switch away from the c...

Page 51: ...ructions as shown in the illustration a Disconnect the intrusion switch cable from the connector on the system board 1 b Unthread the intrusion switch cable from the retention clips on the computer 2 Disassembly and reassembly 51 ...

Page 52: ...switch in the slot on the computer 2 Tighten the screw to secure the intrusion switch to the chassis 3 Route intrusion switch cable along the retention clips on the chassis 4 Connect the intrusion switch cable to the connector on the system board 5 Install a VESA mount bracket b power supply unit c system board shield d speaker cover e cable cover f back cover g stand 6 Follow the procedures in Af...

Page 53: ...3 To remove the power and OSD buttons board a Remove the screw to remove the metal plate that secures the power and OSD buttons board to the computer 1 b Peel off the tape from the OSD buttons board 2 c Remove the power and OSD buttons board from the chassis 3 d Disconnect the cables from the power and OSD buttons board to release the board from the computer 4 5 3 Disassembly and reassembly 53 ...

Page 54: ...54 Disassembly and reassembly ...

Page 55: ... 5 Tighten the screw to secure the power and OSD buttons board 6 Install the a optical drive b back cover c stand 7 Follow the procedure in After working inside your computer Coin cell battery Removing the coin cell battery 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover c system board shield 3 Press the latch to release the coin cell battery and rem...

Page 56: ...until it fits securely 2 Install the a system board shield b back cover c stand 3 Follow the procedure in After working inside your computer Processor Removing the processor 1 Follow the procedure in Before working inside your computer 2 Remove the a stand b back cover 56 Disassembly and reassembly ...

Page 57: ...e bottom of the processor to avoid damage to the processor contacts Touch only the side edges of the processor Installing the processor 1 Align the processor with the socket keys CAUTION Do not use force to seat the processor When the processor is positioned correctly it engages easily into the socket 2 Align the pin 1 indicator of the processor with the triangle on the socket 3 Place the processo...

Page 58: ... following steps as shown in the illustration a Disconnect the optical drive cable and hard drive cable from the connectors on the system board 1 b Disconnect the touch pad cable from the connector on the system board 2 c Unthread the cable from the retention clips of the computer 3 4 Perform the following steps as shown in the illustration a Remove the screws that secure the optical drive cable a...

Page 59: ...s shown in the illustration a Press the latches on either side of the connector and pull the LVDS cable to disconnect it from the system board 1 2 b Lift the latch and disconnect the cable from the connector 3 4 7 Perform the following steps as shown in the illustration Disassembly and reassembly 59 ...

Page 60: ... 2 System Board Layout The following image displays the system board layout of the computer 1 LVDS connector 2 processor socket 3 camera connector 4 WLAN connector 5 coin cell battery 6 jumper connector 7 jumper connector 8 jumper connector 9 USB 3 0 connector 10 memory connectors SODIMM sockets 60 Disassembly and reassembly ...

Page 61: ...ll the cables to the system board 3 Tighten the screws to secure the system board to the base panel 4 Connect the optical drive cable and hard drive cable to the system and thread the cables through the retention clips 5 Install a processor fan b converter board c power supply unit d heatsink e hard drive f optical drive g memory h system board shield i VESA mount bracket j cable cover k speaker c...

Page 62: ...read the camera cable from the retention clips on the display panel 2 4 Perform the following steps as shown in the illustration a Peel off the tape to access the cables 1 b Remove the screws that secure the base panel to the chassis 2 c Lift the display panel base from the display bezel 3 5 Perform the following steps as shown in the illustration a Lift the latch and disconnect the cables 1 2 b R...

Page 63: ...lay panel 5 Tighten the screws to secure the latches to the computer 6 Install the a system board b speakers c processor fan d heatsink e power supply unit f converter board g power and OSD buttons board h intrusion switch i hard drive j optical drive k WLAN card l system board shield m VESA mount bracket n speaker cover o cable cover p back cover q stand 7 Follow the procedure in After Working In...

Page 64: ...OS System and setup password Boot Sequence Boot Sequence allows you to bypass the System Setup defined boot device order and boot directly to a specific device for example optical drive or hard drive During the Power on Self Test POST when the Dell logo appears you can Access System Setup by pressing F2 key Bring up the one time boot menu by pressing F12 key The one time boot menu displays the dev...

Page 65: ... Information Displays SATA 0 SATA 1 LOM MAC Address Video Controller dGPU Video Controller Audio Controller Wi Fi Device and Bluetooth Device Boot Sequence Boot Sequence Allows you to specify the order in which the computer attempts to find an operating system To change the boot order select the device that you want to change in the list which is available on the right hand side After you select t...

Page 66: ...ntegrated network controller The options are Disabled Enabled Enabled w PXE This option is enabled by default Enabled w Cloud Desktop NOTE Depending on the computer and its installed devices the items listed in this section may or may not appear SATA Operation Allows you to configure the internal SATA hard drive controller The options are Disabled AHCI RAID On This option is enabled by default Dri...

Page 67: ...o enable or disable touchscreen Miscellaneous Devices Allows you to enable or disable the following devices Enable Camera enabled by default Enable Media Card enabled by default Disable Media Card Security screen options Option Description Admin Password Allows you to set change or delete the administrator admin password NOTE You must set the admin password before you set the system or hard drive ...

Page 68: ...anges to this option take effect immediately Computrace R Allows you to activate or disable the optional Computrace software The options are Deactivate Disable Activate NOTE The Activate and Disable options will permanently activate or disable the feature and no further changes will be allowed Default setting Deactivate Chassis Intrusion This field controls the chassis intrusion feature The option...

Page 69: ...nges made will be erased and the keys will restore to default settings Performance screen options Option Description Multi Core Support Specifies whether the process will have one or all cores enabled The performance of some applications will improve with the additional cores All This option is enabled by default 1 2 3 Intel SpeedStep Allows you to enable or disable the Intel SpeedStep feature Ena...

Page 70: ... you to enable USB devices to wake the system from Standby NOTE This feature is only functional when the AC power adapter is connected If the AC power adapter is removed during Standby the system setup removes power from all the USB ports to conserve battery power Enable USB Wake Support Default setting The option is disabled Wake on LAN WLAN Allows you to enable or disable the feature that powers...

Page 71: ... Virtualization Technology and Virtualization technology for direct I O must be enabled to use this feature Trusted Execution disabled by default Wireless screen options Option Description Wireless Device Enable Allows you to enable or disable the internal wireless devices WLAN WiGig Bluetooth All the options are enabled by default Maintenance screen options Option Description Service Tag Displays...

Page 72: ...lient software communicates The default Server Port value is 06910 NOTE This option is relevant only when the Integrated NIC control in the System Configuration group is set to Enable with Cloud Desktop Client Address Method This option specifies how the client obtains its IP address The options are Static IP Uses the static IP address DHCP Obtains IP address using Dynamic Host Configuration Proto...

Page 73: ... Drivers and Downloads The Drivers and Downloads page opens 8 On the Drivers and Downloads screen click Find it myself 9 ClickBIOSto view the BIOS versions 10 Identify the latest BIOS file and click Download You can also analyze which drivers need an update To do this for your product click Analyze System for Updates and follow the instructions on the screen 11 Select your preferred download metho...

Page 74: ...re that the Password Status is Unlocked in the System Setup before attempting to delete or change the existing System and or Setup password You cannot delete or change an existing System or Setup password if the Password Status is Locked To enter the System Setup press F2 immediately after a power on or reboot 1 In the System BIOS or System Setup screen select System Security and press Enter The S...

Page 75: ...rds specifications Display specifications Drives specifications Port and connector specifications Power specifications Camera specifications optional Stand specifications Physical specifications Environmental specifications System specifications Feature Specification Processor cache Intel Core i3 i5 i7 series Total cache Up to 8 MB cache depending on processor type Chipset Intel Q270 chipset Memor...

Page 76: ...ings other than the center position may increase the earphones or headphones output voltage and therefore the sound pressure level The use of factors influencing the earphones or headphones output other than those specified by the manufacturer e g operating system equalizer software firmware driver etc may increase the earphones or headphones output voltage and therefore the sound pressure level T...

Page 77: ...SATA drive Port and connector specifications Feature Specification Audio one line out connector at rear one global headset port at side Network adapter One RJ 45 connector USB 2 0 Rear 0 side 2 USB 3 0 Rear 2 side 4 USB port with PowerShare support 1 side USB 3 0 Type C connector Video one display port HDMI one 19 pin output port one 19 pin input port Media card reader one 4 in 1 slot Power specif...

Page 78: ...ht 392 90 mm 15 47 inches Depth Non touch 63 5 mm 2 5 inches Touch 62 79 mm 2 47 inches Weight Non touch 9 76 kg with stand 21 52 lb Touch 11 00 kg with stand 24 25 lb NOTE The weight of your computer may vary depending on the configuration ordered and the manufacturing variability Environmental specifications Temperature Specifications Operating 0 C to 35 C 32 F to 95 F Storage 40 C to 65 C 40 F ...

Page 79: ...m shock Specifications Operating 40 G Storage 105 G Altitude maximum Specifications Operating 0 m to 5000 m 0 ft to 16 404 ft Non operating 0 m to 5000 m 0 ft to 16 404 ft Airborne contaminant level G2 or lower as defined by ANSI ISA S71 04 1985 Technical specifications 79 ...

Page 80: ... service options Availability varies by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the appropriate service or support link based on...

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