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Dell OptiPlex 7040 - Mini Tower, Owner'S Manual, Page: 30 / 53

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Dell OptiPlex 7040 - Mini Tower Owner'S Manual Download Page 30

3

Troubleshooting your computer

You can troubleshoot your computer using indicators like diagnostic lights, beep codes, and error 

messages during the operation of the computer.

Diagnostic power LED codes

Table 1. Diagnostic power LED codes

Power LED light status

Possible cause

Troubleshooting steps

Off

The computer is either turned off or 
is not receiving power or in 
Hibernation mode.

• Re-seat the power cable in the 

power connector on the back of 

the computer and the electrical 

outlet.

• If the computer is plugged into a 

power strip, ensure that the 

power strip is plugged into an 

electrical outlet and is turned on. 

Also, bypass power protection 

devices, power strips, and power 

extension cables to verify that 

the computer turns on properly.

• Ensure the electrical outlet is 

working by testing it with 

another device, such as a lamp.

Steady/Blinking Amber

Computer fails to complete POST or 
processor failure.

• Remove and reinstall any cards.
• Remove and reinstall the 

graphics card, if applicable.

• Ensure the power cable is 

connected to the system board 

and processor.

Slow Blinking White Light

Computer is in sleep mode.

• Press the power button to bring 

the computer out of the sleep 

mode.

• Ensure all power cables are 

securely connected to the 

system board.

• Ensure the main power cable 

and front panel cable are 

connected to the system board.

Steady White

The computer is fully functional and 
in the On state.

If the computer is not responding, 
do the following:
• Ensure the display is connected 

and turned on.

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Summary of Contents for OptiPlex 7040 - Mini Tower

Page 1: ...OptiPlex 7040 Mini Tower Owner s Manual Regulatory Model D18M Regulatory Type D18M001 ...

Page 2: ...problem WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2015 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their res...

Page 3: ...12 Installing the optical drive 12 Removing the optical drive 3 5 inch 13 Installing the optical drive 3 5 inch 13 Installing the optional SSD card 13 Removing the optional SSD card 15 Removing the SD card reader 15 Installing the SD card reader 16 Removing the memory module 16 Installing the memory module 16 Removing the PCIe expansion card 17 Installing the PCIe expansion card 17 Removing the op...

Page 4: ...em board 27 Installing the system board 27 System board layout 28 3 Troubleshooting your computer 30 Diagnostic power LED codes 30 Diagnostic error messages 31 System error messages 35 4 System Setup 36 Boot Sequence 36 Navigation keys 36 System Setup options 37 System Setup overview 45 Accessing System Setup 45 Updating the BIOS 46 System and setup password 46 Assigning a system password and setu...

Page 5: ... by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as 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 o...

Page 6: ...e or mouse 1 Click or tap 2 Click or tap and then click or touch Shut down In Windows 8 using a touch enabled device 1 Swipe in from the right edge of the screen opening the Charms menu and select Settings 2 Tap and then tap Shut down In Windows 8 using a mouse 1 Point to upper right corner of the screen and click Settings 2 Click and then click Shut down In Windows 7 1 Click Start 2 Click Shut Do...

Page 7: ... and then plug it into the computer 2 Connect any telephone or network cables to your computer 3 Connect your computer and all attached devices to their electrical outlets 4 Turn on your computer 5 If required verify that the computer works correctly by running Dell Diagnostics 7 ...

Page 8: ...er Phillips screwdriver Small plastic scribe Removing the cover 1 Follow the procedure in Before Working Inside Your Computer 2 To remove the cover a Slide the blue tab to release the cover from the computer 1 b Slide the cover forward and lift it away to remove from the computer 2 Installing the cover 1 Place the cover on the computer and slide the cover until it clicks into place 2 Follow the pr...

Page 9: ... front bezel from the computer Installing the bezel 1 Insert the tabs on the bezel into the slots on the computer 2 Press the bezel until the tabs clicks into place 3 Install the cover 4 Follow the procedure in After Working Inside Your Computer Opening the front bezel door 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover bezel 3 Pull the front bezel door to open it...

Page 10: ...assembly 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover bezel 3 Open the front bezel door 4 To remove the hard drive assembly a Disconnect the hard drive assembly cables from the connectors on the hard drive 1 2 b Press the blue tabs on both sides 3 and pull the hard drive assembly out of the computer 4 10 ...

Page 11: ... the hard drive into the hard drive bracket 1 Align and insert the pins on the hard drive bracket with the slots on one side of the hard drive 2 Flex the other side of the hard drive bracket and align and insert the pins on the bracket into the hard drive 3 Install the a hard drive assembly b bezel c cover 4 Follow the procedure in After Working Inside Your Computer Installing the hard drive assem...

Page 12: ...ectors on the optical drive 1 2 c Close the front bezel door 3 d Press the blue tab to release the optical drive from the computer 4 e Slide the optical drive out of the computer 5 Installing the optical drive 1 Insert the optical drive into the optical drive bay until it clicks into place 2 Open the front bezel door 3 Connect the data cable and power cable to the connectors on the optical drive 4...

Page 13: ...d slide the optical drive out of the optical drive bay 4 Installing the optical drive 3 5 inch 1 Insert the optical drive into the optical drive bay until it clicks into place 2 Connect the data cable and power cable to the connectors on the optical drive 3 Install the bezel cover 4 Follow the procedure in After Working Inside Your Computer Installing the optional SSD card 1 Remove the cover bezel...

Page 14: ...the system board 1 and peel the adhesive tape pink from the rubber 2 5 To install the SSD card a Connect the SSD card to the connector on the system board 1 b Tighten the screw to secure the SSD card to the system board 2 14 ...

Page 15: ...D card to the system board 5 Disconnect the SSD card from the connector on the system board 6 Remove the rubber from the system board Removing the SD card reader 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover bezel 3 Open the front bezel door 4 To remove the SD card reader a Disconnect the SD card reader cable from the connector on the system board 1 b Remove the ...

Page 16: ...de Your Computer 2 Remove the cover bezel 3 Open the front bezel door 4 To remove the memory module a Press the memory module retention tabs on both sides of the memory module b Lift the memory module from the memory module connector on the system board Installing the memory module 1 Align the notch on the memory module with the tab on the memory module connector 2 Insert the memory module into th...

Page 17: ...PCIe expansion card 1 Pull the release latch to open it 2 Insert the PCIe expansion card to the connector on the system board 3 Secure the PCIe expansion card by pushing the card retention latch until it clicks into place 4 Repeat the steps to install any additional PCIe expansion card 5 Close the release latch 6 Follow the procedure in After Working Inside Your Computer Removing the optional Ethe...

Page 18: ...system board until it clicks into place 4 Close the release latch 5 Install the a bezel b cover 6 Close the front bezel door 7 Follow the procedure in After Working Inside Your Computer Removing the power supply unit PSU 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover bezel 3 Open the front bezel door 4 To remove the PSU a Remove the screws that secure the PSU to t...

Page 19: ... 5 Close the front bezel door 6 Install the bezel cover 7 Follow the procedure in After Working Inside Your Computer Removing the VGA card 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover bezel 3 To remove the VGA card a Remove the screws that secure the VGA connector to the computer 1 b Slide the VGA connector to release it from the computer 2 c Remove the screw th...

Page 20: ...tor to the computer 5 Install the bezel cover 6 Follow the procedure in After Working Inside Your Computer Removing the intrusion switch 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover bezel 3 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 fan grommet 2 c ...

Page 21: ...e bezel cover 5 Follow the procedure in After Working Inside Your Computer Removing the power switch 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover bezel 3 Open the front bezel door 4 To remove the power switch a Disconnect the power switch cable from the system board 1 b Unroute the power switch cable from the retention clip c Press the release tab 2 and slide th...

Page 22: ...ront bezel door 5 Install the bezel cover 6 Follow the procedure in After Working Inside Your Computer Removing the speaker 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover bezel 3 Open the front bezel door 4 To remove the speaker a Disconnect the speaker cable from the connector on the system board 1 b Close the front bezel door c Press the release tabs 2 and slide...

Page 23: ...bezel door 5 Install the a bezel b cover 6 Follow the procedure in After Working Inside Your Computer Removing the coin cell battery 1 Follow the procedure in Before Working Inside Your Computer 2 Remove the cover bezel 3 Open the front bezel door 4 To remove the coin cell battery a Using a plastic scribe release the coin cell battery until it pops out b Remove the coin cell battery from the syste...

Page 24: ...ide Your Computer 2 Remove the cover bezel 3 Open the front bezel door 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 captive screws that secure the heat sink assembly to the system board 2 3 4 5 c Lift the heat sink assembly away from the computer 6 Installing the heat sink assembly 1 Place the heat sink assembly ...

Page 25: ...careful not to bend the pins in the processor socket when removing the processor out of the socket 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 processor on the soc...

Page 26: ...Installing the system fan 1 Hold the system fan by the sides with the cable end facing the bottom of the computer 2 Insert the grommets into the slots on the back of the computer 3 Pass the grommets through the corresponding grooves on the system fan 4 Stretch the grommets and slide the system fan toward the computer until it locks into place NOTE Install the lower two grommets first 5 Connect the...

Page 27: ...he system board toward the front of the computer and lift it away from the computer 2 Installing the system board 1 Hold the system board by its edges and angle it toward the back of the computer 2 Lower the system board into the computer until the connectors at the back of the system board align with the slots on the back wall of the computer and the screw holes on the system board align with the...

Page 28: ...Your Computer System board layout 1 PCIe x16 connector 2 PCI connector 3 PCIe x16 connector 4 PCIe x1 connector 5 VGA daughter board connector 6 Intrusion switch connector 7 System fan connector 8 Processor 9 CPU power connector 10 CPU fan connector 11 Memory module connectors 12 Media card reader connector 13 Power switch connector 14 M 2 socket3 connector 15 SATA1 connector 16 SATA3 connector 28...

Page 29: ...ernal speaker connector 18 ATX power connector 19 HDD and ODD power cable connector 20 SATA2 connector 21 SATA0 connector 22 Internal USB connector 23 RTCRST Password clear MFG Jumper 24 Coin cell battery 29 ...

Page 30: ...vices power strips and power extension cables to verify that the computer turns on properly Ensure the electrical outlet is working by testing it with another device such as a lamp Steady Blinking Amber Computer fails to complete POST or processor failure Remove and reinstall any cards Remove and reinstall the graphics card if applicable Ensure the power cable is connected to the system board and ...

Page 31: ...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 Diagnostics DRIVE NOT READY The operation requires a hard drive in the bay before it can continue Install a hard drive in the hard drive bay ERROR READING PCMCIA CARD The computer c...

Page 32: ...ve 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 Disk Drive tests in Dell Diagnostics HA...

Page 33: ...module may be faulty or improperly seated Reinstall the memory module or if necessary replace it MEMORY ALLOCATION ERROR The software you are attempting to 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 ...

Page 34: ...c track on the hard drive SHUTDOWN FAILURE A chip on the system board may be malfunctioning Run the System Set tests in Dell Diagnostics If the message reappears Contact Dell TIME OF DAY CLOCK LOST POWER System configuration settings are corrupted Connect your computer to an electrical outlet to charge the battery If the problem persists try to restore the data by entering the System Setup program...

Page 35: ...Possible hard disk drive failure during POST Keyboard failure Keyboard failure or loose cable If reseating the cable does not solve the problem replace the keyboard No boot device available No bootable partition on hard disk drive the hard disk drive cable is loose or no bootable device exists If the hard drive is your boot device ensure that the cables are connected and that the drive is installe...

Page 36: ...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 devices that you can boot from including the diagnostic option The boot menu options are Removable Drive if available STXXXX Drive NOTE XXX denotes the SATA drive number Optical Drive Diagnostics NOTE Choosing Diagnostic...

Page 37: ...vice Tag Asset Tag Ownership Date Manufacture Date and the Express Service Code Memory Information Displays Memory Installed Memory Available Memory Speed Memory Channels Mode Memory Technology DIMM 1 Size DIMM 2 Size DIMM 3 Size and DIMM 4 Size PCI Information Displays SLOT1 SLOT2 SLOT3 SLOT4 and SLOT5_M 2 Processor Information Displays Processor Type Core Count Processor ID Current Clock Speed M...

Page 38: ... how the built in serial port to operate The options are Disabled COM 1 Default setting COM 2 COM 3 COM 4 SATA Operation Allows you to configure the operating mode of the integrated hard drive controller Disabled The SATA controllers are hidden ATA SATA is configured for ATA mode RAID ON SATA is configured to support RAID mode Drives Allows you to enable or disable the various drives on board SATA...

Page 39: ...to the on board graphics device will be present and enabled Table 8 Security Option Description Admin Password Allows you to set change and delete the admin password System Password Allows you to set change and delete the system password Internal HDD 0 Password Allows you to set change and delete the computer s internal HDD Internal HDD 0 Password Allows you to set change and delete the computer s...

Page 40: ...eactivate This option is disabled by default Disable Activate Chassis Intrusion Allows you to control the chassis intrusion feature You can set this option to Enable Disable On Silent Enabled by default if chassis intrusion is detected CPU XD Support Allows you to enable or disable the Execute Disable mode of the processor This option is enabled by default OROM Keyboard Access This option determin...

Page 41: ...ions are Save to File Saves the key to a user selected file Replace from File Replaces the current key with a key from a user selected file Append from File Adds a key to the current database from a user selected file Delete Deletes the selected key Reset All Keys Resets to default setting Delete All Keys Deletes all the keys NOTE If you disable the Custom Mode all the changes made will be erased ...

Page 42: ...er State This option is Power Off by default Auto On Time Sets time to automatically turn on the computer Time is kept in standard 12 hour format hour minutes seconds Change the startup time by typing the values in the time and AM PM fields NOTE This feature does not work if you turn off your computer using the switch on a power strip or surge protector or if Auto Power is set to disabled Deep Sle...

Page 43: ...his option is enabled by default Fast Boot This option can speed up the boot process by bypassing some compatibility steps Minimal The system boots quickly unless the BIOS has been updated memory changed or the previous POST did not complete Thorough The system does not skip any steps in the boot process Auto This allows the operating system to control this setting this works only when the operati...

Page 44: ... recover the corrupted BIOS conditions from the recovery files on the primary hard drive or an external USB key Table 16 Cloud Desktop Option Description Server Lookup Method Allows you to specify how the cloud desktop software will lookup server addresses Static DNS Default Server Name Allows you to specify the name of the server Server IP Address Specifies the primary static IP address of the cl...

Page 45: ...ur computer Set or change a user selectable option such as the user password Read the current amount of memory or set the type of hard drive installed Before you use System Setup it is recommended that you write down the System Setup screen information for future reference CAUTION Unless you are an expert computer user do not change the settings for this program Certain changes can cause your comp...

Page 46: ...S 9 Identify the latest BIOS file and click Download File 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 10 Select your preferred download method in the Please select your download method below window click Download File The File Download window appears 11 Click Save to save the file on your c...

Page 47: ...5 Select Setup Password type your system password and press Enter or Tab A message prompts you to re type the setup password 6 Type the setup password that you entered earlier and click OK 7 Press Esc and a message prompts you to save the changes 8 Press Y to save the changes The computer reboots Deleting or changing an existing system and or setup password Ensure that the Password Status is Unloc...

Page 48: ...erties Table 19 Processor Feature Specification Processor type 6th Generation Intel Core i3 i5 i7 series Total cache Up to 8 MB cache depending on processor type Table 20 Memory Feature Specification Type DDR4 Speed 2133 MT s Connectors Four UDIMM slots Memory module capacity 4 GB and 8 GB Minimum memory 4 GB Maximum memory 32 GB NOTE Each UDIMM slot supports a minimum of 4 GB and a maximum of 8 G...

Page 49: ...ls Interrupt levels Integrated I O APIC capability with 24 interrupts BIOS chip NVRAM 16 MB Table 25 Expansion bus Feature Specification Bus type PCIe gen3 x16 USB 2 0 and USB 3 0 Bus speed PCI Express x1 slot each direction speed up to 985 MB s 3 94 GB s x16 slot each direction speed 16 GB s SATA 1 5 Gbps 3 0 Gbps and 6 Gbps Table 26 Cards Feature Specification PCI Full height card PCI express x1...

Page 50: ...deo connectors may vary based on the graphics card selected Keyboard and mouse Back panel PS2 Keyboard 6 pin connector PS2 Mouse 6 pin connector Table 29 Internal connectors Feature Specification PCI 2 3 data width maximum 32 bits 120 pin connector PCI Express x1 data width maximum one PCI Express lane 36 pin connector PCI Express x16 wired as x4 data width maximum four PCI Express lanes 164 pin c...

Page 51: ...light indicates that the computer is reading data from or writing data to the hard drive Back of the computer Link integrity light on integrated network adapter Green a 10 Mbps connection exists between the network and the computer Green a 100 Mbps connection exists between the network and the computer Orange a 1000 Mbps connection exists between the network and the computer Off no light the compu...

Page 52: ...mm 10 78 inches Weight 8 00 kg 17 64 lb Table 33 Environmental Feature Specification Temperature range Operating 5 C to 35 C 41 F to 95 F Storage 40 C to 65 C 40 F to 149 F Relative humidity maximum Operating 20 percent to 80 percent non condensing Storage 5 percent to 95 percent non condensing Maximum vibration Operating 0 26 Grms Storage 2 20 Grms Maximum shock Operating 40 G Storage 105 G Altit...

Page 53: ...upport 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 support lin...

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