Dell Precision 3440 Small Form Factor Service Manual Download Page 75 | Manualshive

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WiFi power cycle

About this task

If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed. The
following procedure provides the instructions on how to conduct a WiFi power cycle:

NOTE:

Some ISPs (Internet Service Providers) provide a modem/router combo device.

Steps

1. Turn off your computer.
2. Turn off the modem.
3. Turn off the wireless router.
4. Wait for 30 seconds.
5. Turn on the wireless router.
6. Turn on the modem.
7. Turn on your computer.

Troubleshooting

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Summary of Contents for Precision 3440 Small Form Factor

Page 1: ...Precision 3440 Small Form Factor Service Manual Regulatory Model D15S Regulatory Type D15S003 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: ...drive bracket 17 Installing the hard disk drive bracket 18 Installing the 2 5 in hard disk drive assembly 19 Hard drive and optical drive module 20 Removing the hard disk drive and optical disk drive module 20 Installing the hard disk drive and optical disk drive module 23 Optical drive 25 Removing the slim optical drive 25 Installing the slim optical drive 26 Solid state drive 27 Removing the M 2...

Page 4: ...m board 51 Installing the system board 53 3 System setup 57 Accessing System Setup 57 Navigation Keys 57 General screen options 58 System Configuration screen options 58 Security screen options 60 Video screen options 61 Secure Boot screen options 61 Intel Software Guard Extensions screen options 62 Performance screen options 62 Power Management screen options 62 POST Behavior screen options 63 Vi...

Page 5: ...4 Troubleshooting 68 System diagnostic lights 68 Diagnostic error messages 68 Diagnostic error messages 71 System error messages 74 WiFi power cycle 75 5 Getting help 76 Contacting Dell 76 Contents 5 ...

Page 6: ...TION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull it by its connector or its pull tab not the cable itself Some cables have con...

Page 7: ...ous 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 some previously approved methods of handling part...

Page 8: ...kit assess the situation at the customer location For example deploying the 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 ki...

Page 9: ...5 Turn on your computer Working on your computer 9 ...

Page 10: ...for different components Table 1 Screw list Component Screw type Quantity Image M 2 2230 2280 Solid state drive M2x3 1 WLAN card M2x3 1 SD card reader M6x32 2 Support bracket M6x32 2 Power supply unit M6x32 2 System board M2x4 6 32 1 5 Side cover Removing the side cover Prerequisites 1 Follow the procedure in before working inside your computer NOTE Ensure that you remove the security cable from t...

Page 11: ... the side cover and provides a visual representation of the removal procedure Steps 1 Slide down on the release latch until your hear a click 2 Slide the side cover towards the back of the system 3 Lift the side cover from the system Disassembly and reassembly 11 ...

Page 12: ...ling the side cover Prerequisites About this task The following image indicates the location of the side panels and provides a visual representation of the installation procedure 12 Disassembly and reassembly ...

Page 13: ...itch Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the Side cover About this task The following images indicate the location of the intrusion switch and provide a visual representation of the removal procedure Steps 1 Disconnect the intrusion switch cable from the connector on the system board 2 Slide the intrusion switch from the system Installing the intrus...

Page 14: ... cable to the connector on the system board Next steps 1 Install the Side cover 2 Follow the procedure in After working inside your computer Front bezel Removing the front bezel Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover About this task The following images indicate the location of the front bezel and provide a visual representation of the r...

Page 15: ...he system 2 Remove the front bezel from the system Installing the front bezel Prerequisites About this task The following image indicates the location of the front bezel and provides a visual representation of the installation procedure Disassembly and reassembly 15 ...

Page 16: ...in after working inside your computer Hard drive assembly Removing the 2 5 in hard disk drive assembly Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel About this task The following images indicate the location of the 2 5 in hard disk drive assembly and provide a visual representation of the removal procedure 16 Disassembl...

Page 17: ...t NOTE Note the orientation of the hard disk drive so that you can replace it correctly Removing the hard disk drive bracket Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 in hard disk drive assembly About this task The following images indicate the location of the hard disk drive bracket and provide a v...

Page 18: ...rd disk drive 2 Hard disk drive bracket for the 2 5 in hard disk drive 3 2 5 in hard disk drive Installing the hard disk drive bracket Prerequisites About this task The following image indicates the location of the hard disk drive bracket and provides a visual representation of the installation procedure 18 Disassembly and reassembly ...

Page 19: ...xt steps 1 Install the 2 5 in hard disk drive assembly 2 Install the front bezel 3 Install the side cover 4 Follow the procedure in after working inside your computer Installing the 2 5 in hard disk drive assembly Prerequisites About this task The following image indicates the location of the 2 5 in hard disk drive and provides a visual representation of the installation procedure Disassembly and ...

Page 20: ... drive cable to the connectors on the hard disk drive Next steps 1 Install the front bezel 2 Install the side cover 3 Follow the procedure in after working inside your computer Hard drive and optical drive module Removing the hard disk drive and optical disk drive module Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the Side cover 3 Remove the Front bezel 20 ...

Page 21: ...About this task The following images indicate the location of the hard disk drive and optical disk drive module and provide a visual representation of the removal procedure Disassembly and reassembly 21 ...

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

Page 23: ...release latch lift the hard disk drive and optical disk drive module 5 Lift the hard disk drive and optical disk drive module and slide it out of the slot 6 Flip the hard disk drive and optical disk drive module to disconnect the optical disk drive data and power cables Installing the hard disk drive and optical disk drive module Prerequisites About this task The following image indicates the loca...

Page 24: ...disk drive module into the slot 4 Slide the release latch to lock the hard disk drive and optical disk drive module 5 Reroute the hard disk drive power cable and SATA cable through the retention clips on the hard disk drive and optical disk drive module 6 Reroute the hard disk drive power cable and the SATA cable through the recess on the release tab Next steps 1 Install the Front bezel 2 Install ...

Page 25: ...l About this task The following images indicate the location of the slim optical drive and provide a visual representation of the removal procedure Steps 1 Press the release tab on the optical drive hard drive module 2 Slide the optical drive out of the optical drive hard drive module 3 Optical drive unit 4 Optical drive hard drive module Disassembly and reassembly 25 ...

Page 26: ...n of the installation procedure Steps 1 Optical drive hard drive module 2 Optical drive unit 3 Insert the optical drive into the optical drive hard drive module 4 Press the Optical drive unit until it clicks in place Next steps 1 Install the Side cover 2 Install the Front bezel 3 Follow the procedure in After working inside your computer 26 Disassembly and reassembly ...

Page 27: ...ocation of the solid state drive and provide a visual representation of the removal procedure Steps 1 Remove the screw M2x3 that secures the solid state drive to the system board 2 Slide and lift the solid state drive off the system board Installing the M 2 2230 PCIe solid state drive Prerequisites About this task The following image indicates the location of the solid state drive and provides a v...

Page 28: ...hard drive assembly 2 Install the front bezel 3 Install the side cover 4 Follow the procedure in after working inside your computer Removing the M 2 2280 PCIe solid state drive Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 in hard drive assembly About this task The following images indicate the location...

Page 29: ... and lift the solid state drive off the system board Installing the M 2 2280 PCIe solid state drive Prerequisites About this task The following image indicates the location of the solid state drive and provides a visual representation of the installation procedure Disassembly and reassembly 29 ...

Page 30: ... 2 5 in hard drive assembly 2 Install the front bezel 3 Install the side cover 4 Follow the procedure in after working inside your computer WLAN card Removing the WLAN card Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 in hard drive assembly About this task The following images indicate the location of ...

Page 31: ...WLAN card 3 Disconnect the antenna cables from the WLAN card 4 Slide and remove the WLAN card from the connector on the system board Installing the WLAN card Prerequisites About this task The following image indicates the location of the wireless card and provides a visual representation of the installation procedure Disassembly and reassembly 31 ...

Page 32: ...iangle Black 2 Place the WLAN card bracket to secure the antenna cables 3 Align the notch on the WLAN card with the tab on the WLAN card slot and insert it into the connector on the system board 4 Replace the M2x3 screw to secure the WLAN card bracket and WLAN card to the system board Next steps 1 Install the 2 5 in hard drive assembly 2 Install the front bezel 3 Install the side cover 4 Follow th...

Page 33: ...rovide a visual representation of the removal procedure Steps 1 Unroute the power supply cables from the retention clip on the SD card reader 2 Remove the two screws M6X32 and lift the SD card reader from the chassis Installing the SD card reader Prerequisites About this task The following image indicates the location of the SD card reader and provides a visual representation of the installation p...

Page 34: ...1 Install the Side cover 2 Follow the procedure in After working inside your computer Expansion card Removing the expansion card Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the Side cover About this task The following images indicate the location of the expansion card and provide a visual representation of the removal procedure 34 Disassembly and reassembly...

Page 35: ...xpansion card 3 Lift the expansion card away from the connector on the system board Installing the expansion card Prerequisites About this task The following image indicates the location of the expansion card and provides a visual representation of the installation procedure Disassembly and reassembly 35 ...

Page 36: ...seated 3 Close the expansion card latch and press it until it clicks into place Next steps 1 Install the Side cover 2 Follow the procedure in After working inside your computer Memory modules Removing the memory modules Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 36 Disassembly and reassembly ...

Page 37: ...memory modules and provide a visual representation of the removal procedure Steps 1 Pull the securing clips from the memory module until the memory module pops up 2 Remove the memory module from the memory module slot Installing the memory modules Prerequisites About this task The following image indicates the location of the memory modules and provides a visual representation of the installation ...

Page 38: ... steps 1 Install the 2 5 in hard drive assembly 2 Install the front bezel 3 Install the side cover 4 Follow the procedure in after working inside your computer Heat sink Removing the heat sink Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel About this task The following images indicate the location of the heat sink and pr...

Page 39: ...m NOTE Loosen the screws in a sequential order 1 2 3 4 as mentioned on the system board 3 Lift the heat sink from the system board Installing the heat sink Prerequisites About this task The following image indicates the location of the VR heat sink and provides a visual representation of the installation procedure Disassembly and reassembly 39 ...

Page 40: ... the system board Next steps 1 Install the front bezel 2 Install the side cover 3 Follow the procedure in after working inside your computer Coin cell battery Removing the coin cell battery Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel About this task The following images indicate the location of the coin cell battery a...

Page 41: ... socket 2 Remove the coin cell battery out of the system Installing the coin cell battery Prerequisites About this task The following image indicates the location of the coin cell battery and provides a visual representation of the installation procedure Disassembly and reassembly 41 ...

Page 42: ...e your computer Processor Removing the processor Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the heat sink About this task NOTE The processor might still be hot after the computer is shut down Allow the processor to cool down before removing it The following images indicate the location of the processor and p...

Page 43: ...the processor do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket 3 Gently lift the processor from the processor socket Installing the processor Prerequisites About this task The following image indicates the location of the processor and provides a visual representation of the installation procedure Disassembly and reassembly 43 ...

Page 44: ...s properly seated all four corners are aligned at the same height If one or more corners of the processor are higher than the others the processor is not seated properly 2 When the processor is fully seated in the socket close the processor cover 3 Press down and push the release lever under the securing tab to lock it Next steps 1 Install the heat sink 2 Install the front bezel 3 Install the side...

Page 45: ... heat sink and provides a visual representation of the installation procedure Steps 1 Slide the power switch module into the slot on the chassis until it clicks into place 2 Connect the power switch cable to the connector on the system board Next steps 1 Install the Hard drive and optical drive module 2 Install the front bezel 3 Install the side cover 4 Follow the procedure in after working inside...

Page 46: ...46 Disassembly and reassembly ...

Page 47: ...e three screws M6x32 that secure the power supply unit to the back of the chassis 5 Press the power supply unit release latch and slide the unit into the chassis 6 Remove the power supply unit out of the chassis Installing the power supply unit Prerequisites About this task The following image indicates the location of the power supply unit and provides a visual representation of the installation ...

Page 48: ...48 Disassembly and reassembly ...

Page 49: ...Disassembly and reassembly 49 ...

Page 50: ...ver 3 Remove the front bezel 4 Remove the Hard drive and optical drive module About this task The following images indicate the location of the heat sink and provide a visual representation of the removal procedure Steps 1 Disconnect the fan cable from the connector on the system board 2 Slide the fan grommets towards the slot on the back of the fan chassis 3 Lift the system fan from the system In...

Page 51: ...e the front bezel 4 Remove the hard drive assembly 5 Remove the solid state drive 6 Remove the WLAN card 7 Remove the heat sink 8 Remove the memory modules 9 Remove the processor About this task The following images indicate the location of the system board and provide a visual representation of the removal procedure Disassembly and reassembly 51 ...

Page 52: ...52 Disassembly and reassembly ...

Page 53: ...able from the connector on the system board 8 Disconnect the SATA cables from the connector on the system board 9 Disconnect the SATA power cable from the connector on the system board 10 Disconnect the internal speaker cable from the connector on the system board 11 Remove the four Screws 6 32 and the single standoff screw M2X4 that secure the system board 12 Lift the system board at an angle and...

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

Page 55: ...ble to the connector on the system board 6 Reconnect the system board power supply cables to the connector on the system board 7 Reconnect the power button switch cable to the connector on the system board 8 Reconnect the system fan cable to the connector on the system board 9 Reconnect the processor power supply cable to the connector on the system board 10 Reconnect the SATA cables to the connec...

Page 56: ...nstall the solid state drive 6 Install the hard drive assembly 7 Install the front bezel 8 Install the side cover 9 Follow the procedure in after working inside your computer 56 Disassembly and reassembly ...

Page 57: ...ort screen options Wireless screen options Advanced configuration options Maintenance screen options System Log screen options SupportAssist System Resolution Updating the BIOS in Windows Updating your system BIOS using a USB flash drive System and setup password Accessing System Setup Steps 1 Turn on or restart your computer 2 After the white Dell logo appears press F2 immediately The System Setu...

Page 58: ... B 2Size Processor Information Displays Processor Type Core Count Processor ID Current Clock Speed Minimum Clock Speed Maximum Clock Speed Processor L2 Cache Processor L3 Cache HT Capable and 64 Bit technology Device Information Displays Primary Hard Drive SATA 0SATA 0 SATA 1 SATA 2 SATA 3 LOM MAC Address Video Controller Audio Controller WiFi Device M 2PCIe SSD 0 Bluetooth Device Boot Sequence Bo...

Page 59: ...any device attached to this port Enable USB Boot Support default Enable Front USB Ports default Enable Rear USB Ports default NOTE USB keyboard and mouse always work in the BIOS setup irrespective of these settings Front USB Configuration This field enables or disables the front USB configuration Front Port 1 Bottom Right This option is enabled by default Front Port 2 Bottom Left This option is en...

Page 60: ...word Allows you to set change or delete the password on the system s internal hard disk drive NOTE Successful password changes take effect immediately Default Setting Not set Password Change Allows you to enable the disable permission to the System and Hard Drive passwords when the admin password is set Default setting Allow Non Admin Password Changes is selected UEFI Capsule Firmware Update This ...

Page 61: ...system Auto This option is enabled by default Intel HD Graphics NVIDIA HD Graphics Secure Boot screen options Option Description Secure Boot Enable This option enables or disables the Secure Boot feature Default setting Not selected Secure Boot Mode Deployed Mode default Audit Mode Expert Key Management Allows you to manipulate the security key databases only if the system is in Custom Mode The En...

Page 62: ...bled If you disable Multi Core Support one core is enabled All enabled by default 1 2 3 Intel SpeedStep Allows you to enable or disable the Intel SpeedStep feature Enable Intel SpeedStep Default setting The option is enabled C States Control Allows you to enable or disable the additional processor sleep states C states Default setting The option is enabled Intel TurboBoost Allows you to enable or ...

Page 63: ...state Default setting This option is disabled POST Behavior screen options Option Description Numlock LED This option specifies whether the NumLock LED should be on when the system boots Enable Numlock LED The option is enabled Keyboard Errors This option option specifies whether the keyboard related errors are reported when it boots Enables Keyboard Error Detection The option is enabled by defaul...

Page 64: ...efault Disabled L1 Only Maintenance screen options Option Description Service Tag Displays the Service Tag of your computer Asset Tag Allows you to create a system asset tag if an asset tag is not already set This option is not set by default SERR Messages This field controls the SERR message mechanism Some graphic card required the SERR message Enable SERR Messages default BIOS Downgrade This fie...

Page 65: ...st NOTE Choose the appropriate category to reach the product page 5 Select your computer model and the Product Support page of your computer appears 6 Click Get drivers and click Drivers and Downloads The Drivers and Downloads section opens 7 Click Find it myself 8 Click BIOS to view the BIOS versions 9 Identify the latest BIOS file and click Download 10 Select your preferred download method in th...

Page 66: ...Figure 1 DOS BIOS Update Screen System and setup password Table 4 System and setup password Password type Description System password Password that you must enter to log on to your system Setup password Password that you must enter to access and make changes to the BIOS settings of your computer You can create a system password and a setup password to secure your computer CAUTION The password feat...

Page 67: ...tes Ensure that the Password Status is Unlocked in the System Setup before attempting to delete or change the existing System and Setup password You cannot delete or change an existing System or Setup password if the Password Status is Locked About this task To enter the System Setup press F2 immediately after a power on or reboot Steps 1 In the System BIOS or System Setup screen select System Sec...

Page 68: ...ery failure 3 2 PCIe or video card chip failure 3 3 Recovery Image not found 3 4 Recovery Image found but invalid 3 5 Power Rail Failure 3 6 Paid SPI volume error 3 7 Intel ME Management Engine error 4 2 CPU power cable connection issue Diagnostic error messages Table 6 Diagnostic error messages Error messages Description AUXILIARY DEVICE FAILURE The touchpad or external mouse may be faulty For an...

Page 69: ...y out the command The message is usually followed by specific information For example Printer out of paper Take the appropriate action HARD DISK DRIVE CONFIGURATION ERROR The computer cannot identify the drive type Shut down the computer remove the hard drive and boot the computer from an optical drive Then shut down the computer reinstall the hard drive and restart the computer Run the Hard Disk ...

Page 70: ...restart it Run the program again If the error message still appears see the software documentation MEMORY DOUBLE WORD LOGIC FAILURE AT ADDRESS READ VALUE EXPECTING VALUE A memory module may be faulty or improperly seated Reinstall the memory module or if necessary replace it MEMORY ODD EVEN LOGIC FAILURE AT ADDRESS READ VALUE EXPECTING VALUE A memory module may be faulty or improperly seated Reins...

Page 71: ... be malfunctioning or a memory module may be loose Run the System Memory tests and the Keyboard Controller test in Dell Diagnostics or Contact Dell X IS NOT ACCESSIBLE THE DEVICE IS NOT READY Insert a disk into the drive and try again Diagnostic error messages Table 7 Diagnostic error messages Error messages Description AUXILIARY DEVICE FAILURE The touchpad or external mouse may be faulty For an e...

Page 72: ...If the problem persists try another drive Run the Hard Disk Drive tests in Dell Diagnostics HARD DISK DRIVE FAILURE The hard drive does not respond to commands from the computer Shut down the computer remove the hard drive and boot the computer from an optical drive Then shut down the computer reinstall the hard drive and restart the computer If the problem persists try another drive Run the Hard ...

Page 73: ...t device ensure that the drive is installed properly seated and partitioned as a boot device NO BOOT SECTOR ON HARD DRIVE The operating system may be corrupted Contact Dell NO TIMER TICK INTERRUPT A chip on the system board may be malfunctioning Run the System Set tests in Dell Diagnostics NOT ENOUGH MEMORY OR RESOURCES EXIT SOME PROGRAMS AND TRY AGAIN You have too many programs open Close all win...

Page 74: ...hnical Support The computer failed to complete the boot routine three consecutive times for the same error CMOS checksum error RTC is reset BIOS Setup default has been loaded CPU fan failure CPU fan has failed System fan failure System fan has failed Hard disk drive failure Possible hard disk drive failure during POST Keyboard failure Keyboard failure or loose cable If reseating the cable does not...

Page 75: ...The following procedure provides the instructions on how to conduct a WiFi power cycle NOTE Some ISPs Internet Service Providers provide a modem router combo device Steps 1 Turn off your computer 2 Turn off the modem 3 Turn off the wireless router 4 Wait for 30 seconds 5 Turn on the wireless router 6 Turn on the modem 7 Turn on your computer Troubleshooting 75 ...

Page 76: ... and telephone based support and 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 Steps 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 approp...

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