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Table of Contents:

1. Wireless Networking How-to's and Troubleshooting
2. Dell Windows Support Center
3. Mouse, Keyboard or Touchpad Not Working Correctly
4. The Computer Stops Responding or troubleshooting slow performance issues
5. Microsoft Windows Crashes, Stops, Restarts or a Blue Screen Appears
6. Troubleshooting a Notebook LCD Screen That is Black, Blank or Hard to See
7. How to Turn the Wireless Antenna On and Off on a Dell Computer
8. Vostro 15 (3546) Drivers
9. Using and Troubleshooting the Dell Webcam and Dell Webcam Central Software
10. Dell PC Diagnostics Quick Test and SupportAssist for PCs and Tablets
11. Specifications
12. Port Locations
13. Resetting the System Setup (BIOS) to its Default Settings
14. Computer Component is not Recognized

This article provides information on using and troubleshooting your Vostro 15 (3546).

1. 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.

2. Dell Windows Support Center

This link takes you to the Dell Windows Support Center. Select the Operating System you need help with.

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3. 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.

• Keyboard Usage and Troubleshooting Guide
• Mouse Usage and Troubleshooting Guide
• Touchpad Usage and Troubleshooting Guide

4. 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 or Troubleshooting Slow Performance Issues.
6. Start attaching devices one at a time and test to see if the computer stops responding.

5. Microsoft Windows Crashes, Stops, Restarts or a Blue Screen Appears

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

6. 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.

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

Press and hold the <FN> key and then press the <PrtScr> key. 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.

8. Vostro 15 (3546) Drivers

For information on the drivers available, browse to the Vostro 15 (3546) Driver Page.

This article provides information on how to download drivers for the Vostro 15 (3546) computer, "How to Download and Install a Driver".

9. 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.

10. Dell PC Diagnostics Quick Test and SupportAssist for PCs and Tablets

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

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• 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.

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• 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.

11. Specifications

For information on the Vostro 15 (3546) Specifications, browse to the Vostro 15 (3546) Online Manual Page, click PDF next to Owner’s Manual.

12. Port Locations

For information on the port locations, browse to the Vostro 15 (3546) Online Manual Page, click PDF next to Owner’s Manual.

13. 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 Restore Defaults is highlighted, and press the <Enter> key.
5. Press the <Enter> key on Yes to Load Optimized 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.

14. 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.