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Dell E6520 Blinking Display panel, Blinking Blinking Modem error, Appearance, Description, Solid

Models: E6520

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Appearance	Description	Next Step

Blinking	Solid	Blinking Display panel
		error

Off	Blinking Blinking Modem error

4.Replace the system board.

1.Reseat the display cable.

2.Replace the display panel.

3.Replace the video card/ system board.

1.Reseat the modem.

2.Replace the modem.

3.Replace the system board.

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Dell E6520 Blinking Display panel, Blinking Blinking Modem error, Replace the system board 1. Reseat the display cable

Contents

Regulatory Model P15G Regulatory Type P15G001 Dell Latitude E6520 Owners ManualInformation in this publication is subject to change without notice Notes, Cautions, and Warnings2011 Dell Inc. All rights reserved 1 Working on Your Computer 4 Modem Connector Plug5 Battery Notes, Cautions, and Warnings15 Wireless Local Area Network WLAN Card 11 Bluetooth Card12 Coin-Cell Battery 14 Modem Connector19 Processor 16 Wireless Wide Area Network WWAN Card17 Power Connector 18 Heat Sink27 Speaker 25 Wireless Switch Board29 Display Assembly 26 System BoardContacting Dell Specifications34 System Setup DiagnosticsPage You have performed the steps in Working on Your Computer You have read the safety information that shipped with your computerWorking on Your Computer Before Working Inside Your ComputerRecommended Tools After Working Inside Your Computer Turning Off Your Computer5. Turn on your computer 3. Replace the batterySecure Digital SD Card Installing The Secure Digital SD Card1. Follow the procedures in Before Working On Your Computer 2. Follow the procedures in After working inside your computerPage Removing the ExpressCard Installing the ExpressCard2. Follow the procedures in After Working Inside Your Computer ExpressCard3Page 1. Insert and push in the modem connector plug into the modem port Modem Connector PlugRemoving The Modem Connector Plug Installing The Modem Connector PlugPage 2. Slide the release latches to unlock the battery BatteryRemoving The Battery Installing The BatteryPage Removing The Subscriber Identity Module SIM Card Installing The Subscriber Identity Module SIM Card3. Follow the procedures in After Working Inside Your Computer CardPage 4. Slide the hard drive out of the computer Hard DriveRemoving The Hard Drive 3. Remove the screws that secure the hard drive to the computer1. Attach the hard-drive caddy to the hard drive Installing The Hard Drive5. Install the battery 6. Follow the procedures in After working inside your computer4. Pull the optical drive out of the computer 2. Remove the battery 3. Press and release the optical drive latchOptical Drive Removing The Optical Drive8. Remove the drive latch from the optical drive 7. Remove the screw that secures the drive latch to the optical drive10. Follow the procedures in After working inside your computer Installing The Optical DrivePage 5. Remove the base cover from the computer Base CoverRemoving The Base Cover 3. Remove the screws that secure the base cover to the computer2. Tighten the screws to secure the base cover to the computer Installing The Base Cover3. Install the battery 4. Follow the procedures in After Working Inside Your Computer4. Remove the base cover Memory10Removing The Memory 3. Remove the secure digital SD Card6. Follow the procedures in After Working Inside Your Computer Installing The Memory3. Install the base cover 4. Install the secure digital SD Card2. Remove the battery 3. Remove the base cover Bluetooth CardRemoving Bluetooth Card 1. Follow the procedures in Before Working on Your Computer7. Follow the procedures in After Working Inside Your Computer Installing The Bluetooth Card5. Follow the procedures in After working inside your computer Coin-Cell BatteryRemoving The Coin-Cell Battery Installing The Coin-Cell BatteryPage 6. Lift and remove the modem card from the computer Modem CardRemoving The Modem Card 5. Remove the screw securing the modem to the system7. Follow the procedures in After working inside your computer Installing The Modem Card6. Disconnect the antenna cables Modem ConnectorRemoving The Modem Connector 4. Remove the base cover 5. Remove the modem card10. Remove the modem connector bracket 11. Remove the modem connector 9. Remove the screw that secures the modem connector bracket8. Install the secure digital SD Card Installing The Modem Connector10. Follow the procedures in After Working Inside Your Computer Page 4. Disconnect the antenna cables from the WLAN card Wireless Local Area NetworkRemoving The Wireless Local Area Network WLAN Card WLAN Card6. Follow the procedures in After Working Inside Your Computer Installing The Wireless Local Area Network WLAN Card4. Disconnect the antenna cables from the WWAN card Wireless Wide Area NetworkRemoving The Wireless Wide Area Network WWAN Card WWAN Card6. Follow the procedures in After Working Inside Your Computer Installing The Wireless Wide Area Network WWAN Card6. Remove the power connector port from the computer Power ConnectorRemoving The Power Connector 4. Disconnect and remove the power connector cable from the route9. Follow the procedures in After Working Inside Your Computer Installing The Power Connector1. Follow the procedures in Before Working On Your Computer Heat SinkRemoving The Heat-Sink 4. Disconnect the heat-sink cable from the system board4. Install the base cover 5. Install the battery Installing The Heat-Sink1. Slide the heat-sink into its original position in the system board 3. Connect the heat-sink cable to the system board5. Rotate the processor cam lock in a counter-clockwise direction Processor19Removing The Processor 4. Remove the heat-sink1. Align the notches on the processor and the socket Installing The Processor4. Install the heat-sink 5. Install the base cover 6. Install the battery4. Pry up the keyboard trim from the bottom center Keyboard TrimRemoving The Keyboard Trim 3. Lift the keyboard trim to release the tabs3. Follow the procedures in After Working Inside Your Computer Installing The Keyboard Trim1. Align the keyboard trim to its compartment 2. Press along the sides of the keyboard trim until it snaps in place2. Remove the keyboard trim 3. Remove the battery 4. Remove the base coverKeyboard21 Removing The Keyboard9. Remove the tape that secures the keyboard cable from the keyboard 8. Remove the keyboard from the system board10. Disconnect and remove the keyboard data cable from the keyboard 9. Follow the procedures in After Working Inside Your Computer Installing The KeyboardPage 8. Remove the keyboard trim Removing The Palm Rest Assembly4. Remove the display assembly 5. Remove the optical drive Palm Rest2. Connect the following cables to the system board Installing The Palm Rest AssemblyRadio Frequency Identification RFID sensor touch pad media board 13. Lift the palm rest at a 45-degree angle and remove it9. Install the display assembly 4. Install the keyboard 5. Install the keyboard trim6. Install the Bluetooth 7. Install the hard drive 8. Install the optical drivePage Removing the Smart Card Reader 7. Remove the bluetooth module 8. Remove the keyboard trim10. Remove the palm rest assembly Smart Card Reader10. Install the display assembly Installing The Smart Card Reader4. Install the palm rest assembly 7. Install the bluetooth module4. Remove the optical drive 10. Remove the palm rest assembly 11. Remove the display assemblyExpressCard Cage Removing The ExpressCard Cage3. Install the display assembly 4. Install the palm rest assembly Installing The ExpressCard Cage13. Follow the procedures in After working inside your computer 4. Remove the display assembly 5. Remove the optical drive Wireless Switch BoardRemoving The Wireless Switch Board 1. Follow the procedures in Before Working On Your Computer13. Follow the procedures in After Working Inside Your Computer Installing The Wireless Switch Board4. Install the palm rest assembly 10. Install the display assembly18. Remove the palm rest assembly 19. Remove the ExpressCard cage 6. Remove the display assembly 7. Remove the optical drive9. Remove the wireless local area network WLAN card 10. Remove the wireless wide area network WWAN cardcamera/microphone touch screen if applicable 21. Remove the two screws securing the LVDS bracket22. Remove the LVDS bracket 23. Disconnect the following cables from the system board LVDS25. Remove the screws from the system board wireless switch board smart card reader speaker1. Align the system board into its original position on the computer Installing The System Boardwireless switch board smart card reader coin-cell battery 27. Lift and slide the system board out of the computer18. Install the display assembly 5. Install the ExpressCard Cage 6. Install the palm rest assembly14. Install the wireless wide area network WWAN card 15. Install the wireless local area network WLAN cardPage 6. Remove the display assembly 7. Remove the optical drive Speaker27Removing The Speakers 1. Follow the procedures in Before Working On Your Computer23. Remove the screws that secures the speakers 22. Slide and remove the hard drive support plate24. Unthread the speaker cables and remove the speakers 16. Install the wireless local area network WLAN card Installing The Speakers6. Install the ExpressCard Cage 7. Install the palm rest assembly 15. Install the wireless wide area network WWAN cardPage Removing The Input/Output I/O Panel 16. Remove the modem connector 17. Remove the keyboard trim19. Remove the palm rest assembly 20. Remove the smart card reader Input/Output PanelPage 9. Install the modem connector Installing The Input/Output I/O Panel4. Install the ExpressCard Cage 5. Install the smart card reader 6. Install the palm rest assemblyPage 6. Lift up and remove the LVDS support bracket Display AssemblyRemoving The Display Assembly 4. Release the antenna cables from the computertouch screen 8. Unthread the cables 7. Disconnect the following cables from the system board LVDS camera11. Remove the computer by disengaging it from the system assembly 10. Follow the procedures in After Working Inside Your Computer Installing The Display AssemblyRemoving The Display Bezel Installing The Display Bezel5. Follow the procedures in After Working Inside Your Computer Display BezelPage 4. Remove the screws that secures the display panel to the computer Display PanelRemoving The Display Panel 3. Remove the display bezel6. Follow the procedures in After working inside your computer Installing The Display Panel1. Follow the procedures in Before Working On Your Computer Installing The CameraCamera32 Removing The CameraPage Processor Specifications33Technical Specifications System InformationVideo AudioCommunications Contactless Smart Card Ports and ConnectorsDisplay Display BatteryKeyboard TouchpadBattery AC AdapterNOTE 65 W AC adapter is available only Environmental PhysicalSystem Setup Menu Options System SetupSystem Setup Overview Entering System SetupOption System ConfigurationBattery Information Boot SequenceSATA Operation System ManagementParallel Port Serial PortMiscellaneous Devices Enable External USB PortDefault Setting Media Card and USB ControllerThe following table describe the menu options of the Video menu Enable OptimusAdmin Password VideoPassword Change System PasswordInternal HDD-0 Password Password BypassPerformance Non-Admin Setup ChangesPassword Configuration Admin Setup Lockoutwhen an AC adapter is connected Power ManagementDefault Setting Enable CPUID Limit Allows you to enable or disable theradio and Control WWAN radio are Wireless Radio ControlAuto On Time USB Wake SupportAdapter Warnings Default Setting Touchpad/PS-2 MousePOST Behavior ExpressChargeVirtualization Support Numlock EnableDefault Setting Enable F12 Boot Option FastbootThe following table describe the menu options of the Maintenance menu WirelessThe following table describe the menu options of the Wireless menu MaintenanceThe following table describe the menu options of the System Logs menu BIOS EventsPower Events System LogsPage Device Status Lights Diagnostics35Battery Status Lights LED Error CodesDescription AppearanceNext Step 2. Replace the display panel 3. Replace the video card/ system board Blinking Blinking Modem errorBlinking Display panel 4. Replace the system board 1. Reseat the display cablePage Contacting Dell Contacting Dell1. Visit support.dell.com