How to Use and Troubleshoot the Inspiron N5110/15R

How to Use and Troubleshoot the Inspiron N5110/15R



Article Summary: This article provides information on using and troubleshooting your Inspiron N5110/15R.
  1. The Computer Fails to Start or There is No Video
  2. The Computer Stops Responding
  3. Microsoft Windows Crashes, Stops, Restarts or a Blue Screen Appears
  4. Dell PC Diagnostics Quick Test and SupportAssist for PCs and Tablets
  5. Troubleshooting a Notebook LCD Screen That is Black, Blank or Hard to See
  6. Inspiron N5110/15R Specifications
  7. Port Locations
  8. Resetting the System Setup (BIOS) to its Default Settings
  9. Wireless Networking How-to's and Troubleshooting
  10. How to Turn the Wireless Antenna On and Off on a Dell Computer
  11. Disabling or Enabling the Touchpad Using the Hot Key
  12. Mouse, Keyboard or Touchpad Not Working Correctly
  13. Using and Troubleshooting the Dell Webcam and Dell Webcam Central Software
  14. Computer Component is not Recognized
  15. Inspiron N5110/15R Drivers
  16. Windows 7 Support Page
  17. Additional Resources

The Computer Fails to Start or There is No Video

If you experience a situation in which the computer does not start at all or if it does turn on (lights turn on and fans are spinning), but the computer does not show any image, locate and look at the power button.

  • When the power button blinks, refer to (Table 1) to help troubleshoot the issue with your computer.
    Power Button LED Blinking Code
    LED Code Fault Description Fault(s)
    1 Motherboard: BIOS ROM Failure Motherboard, covers BIOS corruption or ROM error.
    2 Memory No Memory (RAM) detected.
    3 Motherboard: Chipset
    • Chipset Error (North and South bridge error)
    • Time-Of-Day Clock test failure
    • Gate A20 failure
    • Super I/O chip failure
    • Keyboard contorller failure
    4 Memory Memory (RAM) failure
    5 Real Time Clock Power Failure CMOS battery failure
    6 Video BIOS Video card / chip failure
    7 Central Processing Unit (CPU) Central Processing Unit (CPU) failure
    8 LCD LCD failure
    Table 1: Repetitive LED Codes
    For example: For No Memory/RAM Detected - The power button LED blinks 2 times followed by a pause (approximately 3 seconds interval), blink 2 times, pause etc. This pattern continues until the computer is powered off.

  • When the power button does not blink, perform the following steps:
    1. Disconnect all external peripherals including the keyboard, mouse, and external monitor. Peripherals also include external storage devices such as flash drives, USB devices, printers, cards etc.
    2. Remove the A/C adapter from the computer and unplug the adapter from the A/C outlet.
    3. Press and hold the Power button down for 15 seconds to discharge the capacitors.
    4. Make sure the connections on the power cord and A/C adapter are firmly pressed together.
    5. Insert the A/C into the computer and a good A/C outlet.
    6. Press the power button to see if the computer turns on and boots up ok, if not, refer to Dell Knowledge Base article Computer Does Not Turn on, or is Stuck on the Dell Logo Screen.
    7. Start attaching devices one at a time and test to see if the computer will turn on.
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The Computer Stops Responding

  1. Press the Power button for at least 15 seconds to make sure the computer turns off.
  2. Disconnect all external peripherals including the keyboard, mouse, and external monitor. Peripherals also include external storage devices such as flash drives, USB devices, printers, cards etc.
  3. Press the power button to see if the computer turns on and boots up ok, if not, refer to Dell Knowledge Base article Computer Does Not Turn on, or is Stuck on the Dell Logo Screen.
  4. Download and install SupportAssist. For more information on how to obtain and install SupportAssist, browse to the SupportAssist for PCs and tablets page.
  5. Perform system maintenance on your computer, for more information refer to Dell Knowledge Base article Optimization and Maintenance of Microsoft Windows.
  6. Start attaching devices one at a time and test to see if the computer stops responding.
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Microsoft Windows Crashes, Stops, Restarts or a Blue Screen Appears

This link takes you to the Dell Knowledge Base article Microsoft Windows Crashes, Stops, Restarts or a Blue Screen Appears.

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Dell PC Diagnostics Quick Test and SupportAssist for PCs and Tablets

Note: The fastest and easiest way to identify and resolve the problem is by using our quick test online diagnostic tool. This will either fix the problem automatically, or it will guide you through the steps to resolve the problem. If the diagnostic identifies a failing part, depending on the failing part, we will immediately start the process for a free in-warranty replacement part.

Dell provides several options to maintain and diagnose your computer:

  • The Dell PC Diagnostics quick test, can find the most common issues.

  • SupportAssist, previously called My Dell, provides system updates, detects issues and sends you alerts based on your device, which makes solving and preventing problems easier than ever. This application gives you access to everything you need to take the guesswork out of maintaining PCs and tablets. For more information such as how to obtain and install SupportAssist, browse to the SupportAssist for PCs and tablets page.

  • When the computer cannot access the Internet, you can run the built-in diagnostics on your computer, for more information, refer to Dell Knowledge Base article, Run Built-In Diagnostics (ePSA) for Your System.
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Troubleshooting a Notebook LCD Screen that is Black, Blank or Hard to See

For information on troubleshooting a notebook LCD Screen, refer to the Dell Knowledge Base article Troubleshooting a Notebook LCD Screen That is Black, Blank or Hard to See.

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Inspiron N5110/15R Specifications

For information on the Inspiron N5110/15R Specifications, browse to the Inspiron N5110/15R Online Manual Page, click Setup Guide.

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Port Locations

For information on the port locations, browse to the Inspiron N5110/15R Online Manual Page, click Setup Guide.

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Resetting the System Setup (BIOS) to its Default Settings

Option 1:
  1. Reboot the computer.
  2. When prompted during POST, press the <F2> key to enter the setup screen.
  3. On the System Setup screen, press the <Right Arrow> key to move to the Exit menu.
  4. Press the <Down Arrow> key until Load Setup Defaults is highlighted, and press the <Enter> key.
  5. Press the <Enter> key on Yes to Restore Defaults and restart the computer.
Option 2:
  1. Reboot the computer.
  2. When prompted during POST, press the <F2> key to enter the setup screen.
  3. On the System Setup screen, press the <F9> key.
  4. Press the <Enter> key on Yes to Load Optimized Defaults and restart the computer.
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Wireless Networking How-to's and Troubleshooting

For how-to's and troubleshooting information on wireless networking please visit the Dell Networking and Wireless Support Center.

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How to Turn the Wireless Antenna On and Off on a Dell Computer

  1. Press and hold done the <Fn> key, then press the <F2>. Repeating this will toggle the wireless antenna off and on.
For more information on how to turn the wireless antenna on and off on a Dell Computer, refer to Dell Knowledge base article How to Turn the Wireless Antenna On and Off on a Dell Computer.
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Disabling or Enabling the Touchpad Using the Hot Key

KeyboardKey Action
Fn F3 Press and hold the <Fn> key then press the <F3> key.

Table 2: Touchpad Hot Keys

For more information on how to turn the touch pad on or off, refer to Dell Knowledge base article Disabling or Enabling the Touchpad Using the Hot Key.

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Mouse, Keyboard or Touchpad Not Working Correctly

Refer to the following Dell Knowledge Base articles for information on how to use or troubleshoot mouse, keyboard or touchpad issues.

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Using and Troubleshooting the Dell Webcam and Dell Webcam Central Software

For information on how to troubleshoot the webcam on your computer, refer to Dell Knowledge base article Using and Troubleshooting the Dell Webcam and Dell Webcam Central Software.

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Computer Component is not Recognized

SupportAssist, previously called My Dell, detects issues and sends you alerts based on your device, This application gives you access to everything you need to take the guesswork out of maintaining PCs and tablets. For more information on how to obtain and install SupportAssist, browse to the SupportAssist for PCs and tablets page.

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Inspiron N5110/15R Drivers

For information on the Inspiron N5110/15R drivers available, browse to the Inspiron N5110/15R Driver Page.

This article provides information on how to download drivers for the Inspiron N5110/15R computer, "How to Download and Install a Driver"

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Windows Support Page

This link takes you to the Windows support page for all operating systems up to and including Windows 10 - click here.

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Additional Resources

This link takes you a repository of disassembly videos for your system should you need to replace any parts - click here.

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Article ID: SLN153650

Last Date Modified: 05/03/2019 07:39 AM


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