Laptop · Dell
Dell Inspiron 15 3520
Understanding the Dell Inspiron 15 3520 Laptop The Dell Inspiron 15 3520 is a widely used 15.6 inch laptop engineered for everyday productivity, remote work, and casual computing. Equipped with 11th and 12th Generation Intel Core or AMD Ryzen processors, a full sized keyboard with a numeric keypad, and options for high refresh Full HD displays, the Inspiron 3520 balances performance with budget friendly portability. Its chassis relies on a lightweight plastic shell housing modular components, delicate ribbon cables, and standard thermal management components. While this design allows for effi…
DIY guides
Fix this device step by step
Screen Replacement
Dell Dell Inspiron 15 3520 Screen Replacement Repair Guide
ADVANCED · ~42 min
Battery Replacement
Dell Dell Inspiron 15 3520 Battery Replacement Repair Guide
INTERMEDIATE · ~36 min
Keyboard Replacement
Dell Dell Inspiron 15 3520 Keyboard Replacement Repair Guide
INTERMEDIATE · ~32 min
Hard Drive-SSD Replacement
Dell Dell Inspiron 15 3520 Hard Drive-SSD Replacement Repair Guide
INTERMEDIATE · ~24 min
RAM Upgrade
Dell Dell Inspiron 15 3520 RAM Upgrade Repair Guide
BEGINNER · ~29 min
Charging Port Repair
Dell Dell Inspiron 15 3520 Charging Port Repair Repair Guide
ADVANCED · ~38 min
Fan Replacement
Dell Dell Inspiron 15 3520 Fan Replacement Repair Guide
INTERMEDIATE · ~29 min
Logic Board Repair
Dell Dell Inspiron 15 3520 Logic Board Repair Repair Guide
EXPERT · ~38 min
Water Damage Repair
Dell Dell Inspiron 15 3520 Water Damage Repair Repair Guide
EXPERT · ~180 min
Webcam Repair
Dell Dell Inspiron 15 3520 Webcam Repair Repair Guide
INTERMEDIATE · ~28 min
Trackpad Replacement
Dell Dell Inspiron 15 3520 Trackpad Replacement Repair Guide
INTERMEDIATE · ~37 min
Common problems
Start from the symptom
Dell Laptop Display Issue
If your Dell laptop screen is completely dark, flickering, showing colored lines, or only displaying video through HDMI, we can help you diagnose whether it needs a quick software fix, an eDP cable reseat, or a full panel replacement.
Dell Laptop Screen Display Problem
If your Dell laptop display is black, flickering, or showing strange lines, isolating panel damage from software or cable failures is your first step. Learn how to test external video and run Dell diagnostics before booking a repair.
Dell Laptop Display Problem
Is your Dell laptop screen pitch black, flickering, or covered in colorful lines? Use this guide to run built-in Dell diagnostics and isolate whether you need a quick reset or a panel replacement.
Dell Black Screen
When your Dell laptop powers on but leaves you staring at a completely dark display, the culprit can range from a frozen BIOS state to a severed eDP cable or blown backlight.
Dell Display Problem
If your Dell laptop screen is flicking, showing vertical lines, or completely black while the power light stays on, here is how to figure out whether it is a software glitch, a pinched display cable, or a dead panel.
Dell Display Issues
Display issues on Dell laptops range from corrupt graphics drivers and BIOS glitches to pinched eDP flex cables and broken LCD panels. Here is how to diagnose whether your screen needs a quick reset, a driver fix, or a hardware replacement.
Dell Notebook Black Screen
If your Dell laptop turns on with fan noise or light indicators but the display stays totally dark, the cause could range from a stuck BIOS state to a failed LCD panel or ribbon cable. Follow these practical shop checks to isolate the issue.
Dell Laptop Black Screen
If your Dell laptop turns on with spinning fans or lit status keys but the display remains completely dark, the issue could stem from a quick BIOS lockup, bad RAM contact, or a damaged LCD panel assembly.
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