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Dell OptiPlex 980 Support Question

Dell OptiPlex 980 Support Question

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Question posted by joelkspencer on April 15th, 2016

System Not Booting Up

when I power on my Optiplex 980 error lights 1 and 3 and the power button flashes

Current Answers

Answer #1: Posted by waelsaidani1 on April 16th, 2016 2:59 AM
This answer was accepted by the poster of the original question.
waelsaidani1

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I'm going to suggest replacing the CMOS battery on the motherboard here as a first step or at least checking that it's at 3v. I can't explain how or why it is but, that battery going bad can cause quite a few strange issues

Related Dell OptiPlex 980 Manual Pages

Setup and Features Information Tech Sheet - Page 1

... ring 14 security cable slot 15 power cable connector 16 back panel connectors 17 expansion card slots (4) 18 power supply diagnostic button 19 power supply diagnostic light Models: Mini Tower: DCSM1F; Y991Mam1.fm Page 1 Tuesday, January 19, 2010 4:39 PM Dell™ OptiPlex980 Setup and Features Information Mini Tower - Desktop: DCNE1F; and Small Form Factor: DCCY1F...
Setup and Features Information Tech Sheet - Page 2

... connector 7 flex bay 8 drive activity light 9 network activity light 10 Wi-Fi activity light (optional) 11 diagnostic lights (4) 12 power supply diagnostic button 13 power supply diagnostic light 14 14 padlock ring 15 security cable slot 15 16 power cable connector 17 back panel connectors 18 expansion card slots (4) Y991Mam1.fm Page 2 Tuesday, January 19, 2010 4:39 PM Desktop -
Setup and Features Information Tech Sheet - Page 3

...4 18 17 12 13 14 15 16 1 power button, power light 2 optical drive 3 optical drive eject button 4 flex bay 5 headphone connector 6 microphone connector 7 USB 2.0 connectors (2) 8 drive activity light 9 network activity light 10 Wi-Fi activity light (optional) 11 diagnostic lights (4) 12 power supply diagnostic button 13 power supply diagnostic light 14 padlock ring 15 security cable slot 16...
Setup and Features Information Tech Sheet - Page 5

... the safety information that shipped with your computer. c The DisplayPort-to -VGA adapter cable. 4 Connect the USB keyboard or mouse (optional). 5 Connect the power cable(s). 6 Press the power buttons on the monitor and the computer. d The DisplayPort-to -DVI adapter cable. For additional best practices information, see www.dell.com/regulatory_compliance. NOTE: Some...
Setup and Features Information Tech Sheet - Page 6

... MHz DDR3 1 GB 16 GB Drives Mini Tower Desktop Externally accessible: 3.5-inch drive bays one one 5.25...power supply. Y991Mam1.fm Page 6 Tuesday, January 19, 2010 4:39 PM Specifications NOTE: The following specifications are only those required by computers shipped with the system board. indicates power-on state. indicates sleep state of computer Power button light Solid blue light...
Technical Guidebook - Page 3

DESKTOP COMPUTER (DT) VIEW Front and Back View FRONT VIEW 1 Drive activity light 4 Network activity light 2 2 Wi-Fi activity light 3 Network activity light 1 5 DVD drive bay 6 USB 2.0 connectors (2) 7 External power button connector 8 Diagnostic Lights (4) 9 Power button, power light BACK VIEW 10 Power supply diagnostic button 11 Power supply diagnostic light 12 Cover release latch 13 ...
Technical Guidebook - Page 6

...activity light 2 Wi-Fi activity light 4 Network activity light 2 5 DVD drive bay 7 External power button connector 8 Diagnostic Lights (4) 3 Network activity light 6 USB 2.0 connectors (2) 9 Power button, power light 1 BACK VIEW 10 Power supply diagnostic button 13 Padlock ring 11 Power supply diagnostic light 14 Security cable slot 12 Cover release latch 15 Power cable connector OptiPlex...
Service Manual - Page 2

... Do not touch the components or contacts on Your Computer Dell™ OptiPlex980 Service Manual-Mini-Tower Before Working Inside Your Computer Recommended Tools Turning Off...the computer. 4. Disconnect all attached devices from being scratched. 2. Press and hold the power button while the computer is unplugged to avoid bending any connector pins. Back to Contents Page ...
Service Manual - Page 3

...may require the following tools: Small flat-blade screwdriver Phillips screwdriver Small plastic scribe Flash BIOS update program media Turning Off Your Computer CAUTION: To avoid losing data, save...devices did not automatically turn off . Back to your operating system, press and hold the power button for about 6 seconds to their electrical outlets. 4. Recommended Tools The procedures in the ...
Service Manual - Page 7

... connector System Board Connectors PCI 2.3 data width (maximum) - 32 bits Mini-tower two 120-pin connectors Desktop two 120-pin connectors Small form factor one 3-pin connector Controls and Lights Front of the computer Power button Power light push button blinking blue - indicates that the computer is in sleep state. indicates a problem with the system board. solid...
Service Manual - Page 11

Back to Contents Page Removing and Replacing Parts Dell™ OptiPlex980 Service Manual-Mini-Tower Cover Drive Cover Optical Drive Hard Drive/Cage Front Panel Expansion Card Wireless Module Processor Fan Heat Sink and Processor Memory Module Internal Speaker Front Thermal Sensor Power Supply Control Panel Front I/O Panel Intrusion Switch Coin-Cell...
Service Manual - Page 12

Back to Contents Page System Board Layout Dell™ OptiPlex980 Service Manual-Mini-Tower 1 service mode jumper (Service_Mode) 2 RTC reset jumper ... x1 wireless card connector (PCIE_WLS1) 10 thermal sensor connector THRM3) 11 fan connector (FAN_CPU) 12 power connector (12V POWER) 13 memory module connectors (DIMM_14) 14 front panel connector (FRONTPANEL) 15 internal buzzer (BEEP)...
Service Manual - Page 14

... -Remain in this key, press when the keyboard lights first flash. Diagnostics and Enter Setup options are attempting to boot to a particular device or to bring up the ...to Contents Page System Setup Dell™ OptiPlex980 Service Manual-Desktop Boot Menu Navigation Keystrokes Entering System Setup System Setup Menu Options Boot Menu Press or when the Dell™ ...
Service Manual - Page 17

... Password Displays the current status of the password set for each of the hard drives connected to power up when a network interface controller receives a wake up signal. NOTE: This feature does not work.... You can set Remote Wakeup to: Disable (default) Enable Enable with Boot NIC Suspend Mode Sets the power management suspend mode to: S1 S3 (default) Fan Control Override Controls the...
Service Manual - Page 19

... to test displays in the system setup program. 3. When the boot device list appears, highlight Boot to wait until you begin. Starting the Dell Diagnostics From the Drivers.... Back to Contents Page Diagnostics Dell™ OptiPlex980 Service Manual-Desktop Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights Dell Diagnostics When to Use the Dell Diagnostics ...
Service Manual - Page 20

...indicate requirements for the option you to run . Power Button Light Codes The diagnostic lights give much more and requires you want to ...Boot from CD-ROM option from system setup, memory, and various internal tests, and it displays the information in the device list in following table for your computer. 7. If a problem is encountered during a test, a message appears with an error...
Service Manual - Page 23

..., such as a lamp. When the computer starts normally, the lights flash before booting to a different DIMM connector and restart the computer. NOTE: After the computer completes POST, all peripheral cards from the system board, then press and hold the power supply test button. Suggested Resolution Reseat the power cable in . A possible system board failure has occurred...
Service Manual - Page 32

... Page Optical Drive Dell™ OptiPlex980 Service Manual-Mini-Tower WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to install Adobe Flash Player from the optical drive.
Service Manual - Page 35

..., see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Hard Drive 1. Disconnect the data and power cables from the hard drive. Back to Contents Page Hard Drive Dell™ OptiPlex980 Service Manual-Mini-Tower WARNING: Before working inside your computer, read the safety information that shipped with your...
Service Manual - Page 43

... antenna port release tab, and push the wireless antennae port towards the power supply. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to Contents Page Wireless Module Dell™ OptiPlex980 Service Manual-Mini-Tower WARNING: Before working inside your computer, read the...

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