Dell Latitude 3520 Troubleshooting Page

The computer has enough RAM or add more RAM. Your computer may run faster upon rebooting, but low RAM will continue to cause performance issues like random rebooting if left unchecked. Close the programs that are using too much memory. Run antivirus software for a full system scan. Update Windows to the latest version.

Your computer may run faster upon rebooting, but having low RAM will continue to cause performance issues such as random rebooting if left unchecked. Unplug all external USB devices, including the mouse and keyboard from the computer. You will then start it up to determine if they are responsible for the intermittent computer freezes.

Slightly more complicated configuration issues, like the speakers not being set as the default audio device, can also prevent laptop speakers from working. In the Settings app, navigate to Sound in the left panel. Under Output in Windows 11 (or choose your output device in Windows 10), choose the device you prefer for sound playback. If you don't have multiple audio playback devices, the system will automatically set the default output device.

If your audio drivers are corrupt or outdated, replacing them with the latest ones will usually fix the problem. Check the audio ports for damage and clean the ports. Restart your Dell computer. Check the connection (external speakers, headphones, or earphones).

Start by shutting down the laptop and disconnecting it from the power source. Locate the battery compartment on the bottom of the laptop. Depending on the model, you may need to remove a panel or unscrew some screws to access the battery. Carefully remove the old battery and replace it with a new one compatible with your laptop model. Make sure to align the battery correctly and secure it in place.

This means you are using the right power source for the laptop and charger that came with the device. Disconnect the AC adapter from the wall outlet and wait for 15 seconds.

1. Disconnect the AC adapter from the laptop.
2. Reconnect the AC adapter to a verified working wall outlet.
3. Reconnect the AC adapter to the laptop.
4. Examine the LED indicator on the AC adapter.

A malfunctioning hard drive or a corrupted operating system can result in a "black screen" issue due to an inability to load the OS properly. This can manifest as a completely dark screen with a blinking cursor, an incomplete desktop loading with a black background, or the display of a boot device error message.

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Inadequate power to the GPU could result from a defective power supply unit or a malfunctioning GPU power connector.

1. Power down the computer.
2. Unplug the AC adapter.
3. Remove all peripheral devices like USB drives, printers, webcams, the media cards (SD/xD), except for the keyboard and mouse.
4. Hold down the power button for 15 to 20 seconds to discharge any remaining power.
5. Reconnect the AC adapter.
6. Power on the computer.

Computer cooling systems rely on fans to regulate heat. If there is a hardware issue with the fans themselves, it can lead to dangerous overheating.

1. Reboot your Dell computer. As soon as the Dell logo appears, press the F12 key to access the One-time Boot Menu.
2. Navigate using the arrow keys and choose “Diagnostics”. Press the Enter key on the keyboard. Follow the on-screen instructions and provide the necessary responses to complete the diagnostic process.

# In case the test indicates a failure, make sure to record both the error code and the validation code for reference.

If the air vents are obstructed or blocked, stifling air cannot dissipate, heat will accumulate, and the temperature inside your machine will soar.

1. Shut down the computer.
2. Inspect the computer's air vents for any dust or debris accumulation. The exact location of these vents may vary based on your Dell computer model; consult your Dell computer documentation for specifics.
3. Utilize a can of compressed air to eliminate any dust or debris from the air vents, dust filters (if applicable), and the cooling fan fins.
4. To avert overheating issues, ensure that the computer is positioned upright on a solid, stable, surface and that there is sufficient clearance around the air vents.