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Chapter 1: Working on your computer........................................................................................... 5

Safety instructions.............................................................................................................................................................. 5

Before working inside your computer.......................................................................................................................5
Safety precautions........................................................................................................................................................ 6
Electrostatic discharge—ESD protection............................................................................................................... 6
ESD field service kit ..................................................................................................................................................... 7
Transporting sensitive components.......................................................................................................................... 8
After working inside your computer..........................................................................................................................8

Chapter 2: Technology and components........................................................................................ 9

DDR4.......................................................................................................................................................................................9
USB features.......................................................................................................................................................................10
USB Type-C.........................................................................................................................................................................12
Advantages of DisplayPort over USB Type-C............................................................................................................ 12
HDMI 2.0.............................................................................................................................................................................. 13
Intel Optane memory.........................................................................................................................................................13

Enabling Intel Optane memory.................................................................................................................................. 14
Disabling Intel Optane memory................................................................................................................................. 14

Chapter 3: Major components of your system.............................................................................. 15

Chapter 4: Removing and installing components.......................................................................... 17

Side cover............................................................................................................................................................................ 17

Removing the side cover............................................................................................................................................ 17
Installing the side cover.............................................................................................................................................. 18

Expansion card....................................................................................................................................................................19

Removing expansion card.......................................................................................................................................... 19
Installing the expansion card.................................................................................................................................... 20

Coin cell battery................................................................................................................................................................. 21

Removing coin cell battery.........................................................................................................................................21
Installing the coin cell battery...................................................................................................................................22

Hard drive assembly..........................................................................................................................................................23

Removing the hard drive assembly......................................................................................................................... 23
Installing the hard drive assembly........................................................................................................................... 24

Hard drive............................................................................................................................................................................25

Removing the hard drive .......................................................................................................................................... 25
Installing the hard drive ............................................................................................................................................ 26

Bezel.....................................................................................................................................................................................26

Removing front bezel................................................................................................................................................. 26
Installing front bezel....................................................................................................................................................27

Hard drive and optical drive module............................................................................................................................. 28

Removing the hard drive and optical drive module............................................................................................. 28
Installing the hard drive and optical drive module............................................................................................... 30

Optical drive........................................................................................................................................................................33

Contents

Contents

3

Summary of Contents for D11S004

Page 1: ...Dell OptiPlex 7070 Small Form Factor Service Manual 1 Regulatory Model D11S Regulatory Type D11S004 March 2021 Rev A01 ...

Page 2: ...tial 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 2016 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: ... your system 15 Chapter 4 Removing and installing components 17 Side cover 17 Removing the side cover 17 Installing the side cover 18 Expansion card 19 Removing expansion card 19 Installing the expansion card 20 Coin cell battery 21 Removing coin cell battery 21 Installing the coin cell battery 22 Hard drive assembly 23 Removing the hard drive assembly 23 Installing the hard drive assembly 24 Hard...

Page 4: ...the power switch 49 Processor 50 Removing processor 50 Installing the processor 51 M 2 PCIe SSD 52 Removing the M 2 PCIe SSD 52 Installing the M 2 PCIe SSD 53 Power supply unit 54 Removing power supply unit or PSU 54 Installing the power supply unit or PSU 56 Speaker 58 Removing speaker 58 Installing the speaker 59 System board 60 Removing system board 60 Installing the system board 64 Chapter 5 T...

Page 5: ...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 cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs if you are disconnecting this type of cable press in on the locking tabs before you disconnect the cable As yo...

Page 6: ...concern when you handle electronic components especially sensitive components such as expansion cards processors memory DIMMs and system boards Very slight charges can 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 ...

Page 7: ...ional office to find out if they have one To perform the test plug the wrist strap s bonding wire into the tester while it is strapped to your wrist and push the button to test A green LED is lit if the test is successful a red LED is lit and an alarm sounds if the test fails Insulator Elements It is critical to keep ESD sensitive devices such as plastic heat sink casings away from internal parts ...

Page 8: ...t your back 4 Keep the load close The closer it is to your spine the less force it exerts on your back 5 Keep your back upright whether lifting or setting down the load Do not add the weight of your body to the load Avoid twisting your body and back 6 Follow the same techniques in reverse to set the load down After working inside your computer NOTE Leaving stray or loose screws inside your compute...

Page 9: ...ed to DDR3 which requires 1 5 volts of electrical power to operate DDR4 also supports a new deep power down mode that allows the host 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 differen...

Page 10: ...rs and peripheral devices like mice keyboards external drivers and printers Table 1 USB evolution Type Data Transfer Rate Category Introduction Year USB 2 0 480 Mbps High Speed 2000 USB 3 0 USB 3 1 Gen 1 5 Gbps SuperSpeed 2010 USB 3 1 Gen 2 10 Gbps SuperSpeed 2013 USB 3 0 USB 3 1 Gen 1 SuperSpeed USB For years the USB 2 0 has been firmly entrenched as the de facto interface standard in the PC worl...

Page 11: ...oretical bandwidth With today s ever increasing demands placed on data transfers with high definition video content terabyte storage devices high megapixel count digital cameras etc USB 2 0 may not be fast enough Furthermore no USB 2 0 connection could ever come close to the 480Mbps theoretical maximum throughput making data transfer at around 320 Mbps 40 MB s the actual real world maximum Similar...

Page 12: ...bile devices often use a USB connection to charge A USB 2 0 connection provides up to 2 5 watts of power that ll charge your phone but that s about it A laptop might require up to 60 watts for example The USB Power Delivery specification ups this power delivery to 100 watts It s bi directional so a device can either send or receive power And this power can be transferred at the same time the devic...

Page 13: ...l color models used in digital photography and computer graphics 4K Support Enables video resolutions far beyond 1080p supporting next generation displays that will rival the Digital Cinema systems used in many commercial movie theaters HDMI Micro Connector A new smaller connector for phones and other portable devices supporting video resolutions up to 1080p Automotive Connection System New cables...

Page 14: ... up to three subsequent launches after enablement to see the full performance benefits Disabling Intel Optane memory CAUTION After disabling Intel Optane memory do not uninstall the driver for Intel Rapid Storage Technology as it will result in a blue screen error The Intel Rapid Storage Technology user interface can be removed without uninstalling the driver NOTE Disabling Intel Optane memory is ...

Page 15: ...Major components of your system 1 Side cover 2 Expansion card 3 Major components of your system 15 ...

Page 16: ...r foot 13 System board 14 Memory module 15 Processor 16 Power supply unit 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 16 Major components of your system ...

Page 17: ...ical drive Memory module Heatsink fan Heatsink assembly Intrusion switch Power switch Processor M 2 PCIe SSD Power supply unit Speaker System board Side cover Removing the side cover 1 Follow the procedure in Before working inside your computer 2 To remove the cover a Slide the release latch on the back side of your system until it gives a click sound to unlock the side cover 1 b Slide and lift th...

Page 18: ...ing the side cover 1 Place the cover on the system and slide the cover until it clicks into place 1 2 The release latch automatically locks the side cover to the system 2 18 Removing and installing components ...

Page 19: ...puter 2 Remove the Side cover 3 To remove the expansion card a Pull the metal tab to open the expansion card latch 1 b Pull the release tab at the base of the expansion card 2 NOTE Applies to x16 card slot x1 card has no release tab c Disconnect and lift the expansion card away from the connector on the system board 3 Removing and installing components 19 ...

Page 20: ...m your computer Insert a screwdriver in the hole of a PCIe bracket and push hard to release the bracket 3 and then lift the bracket out from your computer 2 Insert the expansion card into the connector and press the expansion card until it clicks into place 1 3 Close the expansion card latch and press it until it clicks into place 2 20 Removing and installing components ...

Page 21: ... cell battery may reset the motherboard 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b Expansion card 3 To remove the coin cell battery a Using a plastic scribe press the release latch until the coin cell battery pops out 1 b Remove the coin cell battery from the system 2 Removing and installing components 21 ...

Page 22: ... the coin cell battery 1 Place the coin cell battery with sign facing up in the slot on the system board 1 2 Press the battery into the connector until it locks into place 2 22 Removing and installing components ...

Page 23: ...d drive assembly or two 2 5 inch hard drive assembly Removing the hard drive assembly 1 Follow the procedure in Before working inside your computer 2 Remove the Side cover 3 To remove the hard drive a Disconnect the hard drive data cable and power cable from the connectors on the hard drive 1 2 b Push the release tab and lift the hard drive assembly from the system 3 Removing and installing compon...

Page 24: ...the slots on the chassis at 30 degree angle 1 2 Press the hard drive assembly so that it gets secured to the hard drive and optical drive cage 2 3 Connect the hard drive data cable and hard drive power cable to the connectors on the hard drive 3 4 24 Removing and installing components ...

Page 25: ...edure to remove the HDD from its bracket 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b hard drive assembly 3 Flex the hard drive bracket 1 lift the hard drive 2 and then slide out from the hard drive bracket 3 NOTE Follow the same procedure to remove another 2 5 inch hard drive on the other side of the bracket Removing and installing components 25 ...

Page 26: ...ollow the same procedure to install another 2 5 inch hard drive on the other side of the bracket 2 Install the a HDD assembly b side cover 3 Follow the procedure in After Working Inside Your Computer Bezel Removing front bezel 1 Follow the procedure in Before working inside your computer 2 Remove the Side cover 3 To remove the front bezel a Pry the retention tabs to release the front bezel from th...

Page 27: ...ront bezel 1 Align the bezel and insert the retention tabs on the bezel into the slots on the system 2 Press the bezel until the tabs clicks into place 3 Install the Side cover Removing and installing components 27 ...

Page 28: ...our computer 2 Remove the a Side cover b Front bezel c HDD assembly 3 To release the hard drive and optical drive module a Unroute the optical drive cables 1 and hard drive cables 2 through the retention clip and HDD ODD release tab respectively b Slide the release tab to unlock the hard drive and optical module 1 c Lift the hard drive and optical module 2 28 Removing and installing components ...

Page 29: ...rive module a Disconnect the optical drive data cable and optical drive power cable from the connectors on the optical drive 1 2 b Slide and lift the hard drive and optical drive module from the system 3 Removing and installing components 29 ...

Page 30: ...ule 1 Insert the tabs on the hard drive and optical drive module into the slot on the system at 30 degree angle 1 2 Connect the optical drive data cable and power cable to the connectors on the optical drive 2 3 30 Removing and installing components ...

Page 31: ...3 Lower the hard drive and optical drive module so that it is placed in its slot 1 4 Slide the release tab to lock the module 2 Removing and installing components 31 ...

Page 32: ...5 Route the hard drive data and power cables through the HDD ODD release tab 1 6 Route the optical drive data cable and power cable through the retention clips 2 32 Removing and installing components ...

Page 33: ...puter Optical drive Removing the optical drive 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel 3 To remove the optical drive a Disconnect the hard drive data cable and power cable from the connectors on the hard drive 1 2 Removing and installing components 33 ...

Page 34: ...b Slide the release tab to unlock the hard drive and optical module 1 c Lift the hard drive and optical module 2 34 Removing and installing components ...

Page 35: ...nect the optical drive data cable and optical drive power cable from the connectors on the optical drive 1 2 and lower the hard drive and optical module until it is seated Removing and installing components 35 ...

Page 36: ...e Push the release latch on the optical drive 1 and pull the optical drive out from the system 3 36 Removing and installing components ...

Page 37: ...Installing the optical drive 1 Slide the optical drive into its slot in the system 1 2 Slide the release tab to unlock the hard drive and optical drive module 2 Removing and installing components 37 ...

Page 38: ...3 Lift the hard drive and optical module 1 connect the optical drive data cable and power cable to the connectors on the optical drive 2 3 38 Removing and installing components ...

Page 39: ...4 Connect the hard drive data cable and hard drive power cable to the connectors on the hard drive 1 2 Removing and installing components 39 ...

Page 40: ...ry module 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel c HDD assembly d Hard drive and optical drive module 3 To remove the memory module a Pry open the retention tabs from both sides to lift the memory module from the connector 1 b Remove the memory module from the system board 2 40 Removing and installing components ...

Page 41: ...h on the memory module with the tab on the memory module connector 2 Insert the memory module into the memory module socket 1 3 Press the memory module until the memory module retention tabs click into place 2 Removing and installing components 41 ...

Page 42: ...procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel c HDD assembly d Hard drive and optical drive module 3 To remove the heatsink fan a Disconnect the heatsink fan cable from the connector on the system board 1 b Remove the 3 screws that secure the heat sink fan to the heat sink 2 c Lift the heatsink fan away from the computer 3 42 Removing and installing compo...

Page 43: ...gn the heatsink fan onto the heatsink assembly 1 2 Replace the 3 screws to secure the heatsink fan to the heatsink assembly 2 3 Connect the heatsink fan cable to the connector on the system board 3 Removing and installing components 43 ...

Page 44: ... the procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel c HDD assembly d Hard drive and optical drive module 3 To remove the heatsink assembly a Disconnect the heatsink assembly fan cable from the connector on the system board 1 b Loosen the 4 captive screws that secure the heatsink fan assembly 2 and lift it away from the system 3 44 Removing and installing c...

Page 45: ...heatsink assembly onto the processor 1 2 Tighten the 4 captive screws to secure the heatsink 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 heatsink assembly fan cable to the connector on the system board 3 Removing and installing components 45 ...

Page 46: ...tch 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel c HDD assembly d Hard drive and optical drive module e Heat sink assembly 3 To remove the intrusion switch a Disconnect the intrusion switch cable from the connector on the system board 1 b Slide the intrusion switch and lift it away from the system 2 46 Removing and installing components ...

Page 47: ...Installing the intrusion switch 1 Insert the intrusion switch into the slot on the chassis 1 2 Connect the intrusion switch cable to the system board 2 Removing and installing components 47 ...

Page 48: ...emoving power switch 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel c HDD assembly d Hard drive and optical drive module 3 To remove the power switch a Disconnect the power switch cable from the system board 1 b Press the power switch retention tabs and pull the power switch out from the system 2 3 48 Removing and installing components ...

Page 49: ... power switch 1 Slide the power switch module into the slot on the chassis until it clicks into place 1 2 2 Connect the power switch cable to the connector on the system board 3 Removing and installing components 49 ...

Page 50: ... the procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel c HDD assembly d Hard drive and optical drive module e Heat sink assembly 3 To remove the processor a Release the socket lever by pushing the lever down and out from under the tab on the processor shield 1 b Lift the lever upward and lift the processor shield 2 50 Removing and installing components ...

Page 51: ... of the processor Installing the processor 1 Place the processor on the socket such that the slots on the processor align with the socket keys 1 CAUTION The pin 1 corner of the processor has a triangle that aligns with the triangle on the pin 1 corner on the processor socket When the processor is properly seated all four corners are aligned at the same height If one or more corners of the processo...

Page 52: ...fter working inside your computer M 2 PCIe SSD Removing the M 2 PCIe SSD NOTE The instructions are applicable to M 2 SATA SSD also 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel c HDD assembly d Hard drive and optical drive module e Heatsink assembly 52 Removing and installing components ...

Page 53: ...m board 2 c Remove the SSD thermal pad 3 Installing the M 2 PCIe SSD NOTE The instructions are applicable to M 2 SATA SSD also 1 Place the SSD thermal pad into the slot on the system board 1 2 Insert the M 2 PCIe SSD to the connector on the system board 2 3 Replace the single M2x3 5 screw that secures the M 2 PCIe SSD to the system board 3 Removing and installing components 53 ...

Page 54: ...low the procedure in After working inside your computer Power supply unit Removing power supply unit or PSU 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel c HDD assembly d Hard drive and optical drive module e Heatsink assembly 54 Removing and installing components ...

Page 55: ...2 4 To remove the PSU a Remove the 3 screws that secure the PSU to the system 1 b Disconnect the system power cable from the connector on the system board 2 c Lift the cables away from the system 3 d Press the blue release tab 4 at the rear end of the PSU unit slide the PSU and lift it away from the system 5 Removing and installing components 55 ...

Page 56: ...towards the back of the system to secure it 1 2 2 Route the system power cable through the retention clips 3 3 Connect the power cable to the connector on the system board 4 4 Replace the screws to secure the PSU to the rear chassis of the system 5 56 Removing and installing components ...

Page 57: ...5 Route the CPU power cable through the retention clips 1 6 Connect the CPU power cable to the connector on the system board 2 Removing and installing components 57 ...

Page 58: ...aker Removing speaker 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b Front bezel c HDD assembly d Hard drive and optical drive module 3 To remove the speaker a Disconnect the speaker cable from the connector on the system board 1 b Press the release tab 2 and pull the speaker out from the system 3 58 Removing and installing components ...

Page 59: ...e speaker 1 Insert the speaker into the slot on the system chassis and press it until it clicks into place 1 2 2 Connect the speaker cable to the connector on the system board 3 Removing and installing components 59 ...

Page 60: ...board Removing system board 1 Follow the procedure in Before working inside your computer 2 Remove the a Side cover b Coin cell c Front bezel d HDD assembly e Hard drive and optical drive module f Heatsink assembly g Processor h Memory module i M 2 PCIe SSD 3 Disconnect the following cables a Intrusion switch b Power switch 60 Removing and installing components ...

Page 61: ...connect the hard drive data cable 3 optical drive data cable 4 and power cable 5 from the connectors on the system board 5 Disconnect the following cables from the connectors on the system board a Intrusion switch 1 b CPU power 2 c Power switch 3 6 Unroute the PSU cables from the retention clips 4 Removing and installing components 61 ...

Page 62: ...ve the 5 screws that secure the system board to the chassis 1 b Remove the single screw used as a mounting point for M 2 SSD drive 2 and the standoff single 6 32 screw 3 that secures the system board to the system 3 62 Removing and installing components ...

Page 63: ...8 To remove the system board a Lift and slide the system board away from the system 1 2 Removing and installing components 63 ...

Page 64: ...nnectors at the back of the system board align with the slots on the chassis and the screw holes on the system board align with the standoffs on the system chassis 1 2 3 Replace the single screw used as a mounting point for M 2 SSD drive the standoff single 6 32 screw and the 5 screws that secure the system board to the system 1 2 3 64 Removing and installing components ...

Page 65: ...h the routing clips 1 5 Align the cables with the pins on connectors on the system board and connect the following cables to the system board a Power switch 2 b CPU power 3 c Intrusion switch 4 Removing and installing components 65 ...

Page 66: ...data cable and hard drive data cable 1 2 3 7 Insert the hook on the I O panel into the slot on the chassis and rotate to close the I O panel 4 8 Replace the screw to secure the I O panel to the chassis 5 66 Removing and installing components ...

Page 67: ...itch 10 Install the a M 2 PCIe SSD b Memory module c Processor d Heatsink assembly e Hard drive and optical drive module f HDD assembly g Front bezel h Side cover 11 Follow the procedure in After working inside your computer Removing and installing components 67 ...

Page 68: ...rformed Running the ePSA Diagnostics Invoke diagnostics boot by either of the methods that are suggested below 1 Power on the computer 2 As the computer boots press the F12 key when the Dell logo is displayed 3 In the boot menu screen use Up Down arrow key to select the Diagnostics option and then press Enter NOTE The Enhanced Pre boot System Assessment window displays listing all devices detected...

Page 69: ...ossible failures Steady Off S0 no PWRGD_PS Code fetch 0 Boot Failure This is a system fault error condition including the power supply Only the 5VSB rail on the power supply is working correctly Off Steady S0 no PWRGD_PS Code fetch 1 This indicates that the host BIOS has started to execute and the LED register is now writable Table 4 Amber LED blinking failures Amber LED state White LED state Syst...

Page 70: ...ern 1001 Fatal Motherboard error 3 5 BIOS state 8 BIOS Post code Old LED pattern 1010 Mem config modules incompatible or invalid config 3 6 BIOS state 9 BIOS Post code Old LED pattern 1011 combine Other pre video activity and resource configuration codes BIOS to eliminate 1100 code 3 7 BIOS state 10 BIOS Post code Old LED pattern 1110 Other pre post activity routine subsequent to video init Diagno...

Page 71: ...ce it GENERAL FAILURE The operating system is unable to carry 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 reinstal...

Page 72: ...o run is conflicting with the operating system another program or a utility Shut down the computer wait for 30 seconds and then 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...

Page 73: ...gs for the Date and Time options TIMER CHIP COUNTER 2 FAILED A chip on the system board may be malfunctioning Run the System Set tests in Dell Diagnostics UNEXPECTED INTERRUPT IN PROTECTED MODE The keyboard controller may 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 ...

Page 74: ...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 your data regularly A parameter out of range may or may not indicate a potential hard drive problem S M A R T error possi...

Page 75: ...ne 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 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 s...

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