How to Fix a Slightly Cracked Screen: A Complete Guide

If your smartphone, tablet, or laptop screen has a minor crack, there are ways to protect or improve it without replacing the screen. This guide focuses on DIY methods for screen cracks that don’t interfere with display or touch responsiveness.

1. Evaluate the Severity of the Crack

Before starting any fix, inspect the screen:

• Is it a hairline crack or deeper?
• Is the display fully functional with no flickering or dead pixels?
• Is the touchscreen responsive?

2. Clean the Screen Thoroughly Before Any Fix

Dirt or oils can prevent proper adhesion. Here’s how to clean it:

• Power off your device.
• Use a microfiber cloth and a small amount of isopropyl alcohol (70% or higher).
• Wipe gently and let it dry completely.

3. Use a Tempered Glass Screen Protector

This is the easiest way to control a crack and prevent further damage.

Benefits:

• Seals the surface
• Prevents further spreading
• Protects your fingers

Steps:

1. Clean the screen thoroughly.
2. Apply a tempered glass protector carefully.
3. Press from the center outward to eliminate bubbles.

This doesn’t fix the crack but stabilizes it and makes the screen safer and more usable.

4. Apply Clear Nail Polish (Temporary Hack)

Best for micro-cracks. Here’s how:

1. Dab clear nail polish into the crack.
2. Let it sit for 10–15 minutes.
3. Scrape excess with a plastic razor or card.
4. Wipe clean with a soft cloth.

Note: This is only cosmetic and won’t strengthen the glass.

5. Try a UV Glass Repair Kit

UV liquid glass kits offer a semi-permanent solution. You can find a UV screen repair kit online.

Steps:

1. Clean the screen.
2. Apply liquid adhesive along the crack.
3. Use the included UV light to cure it (5–10 minutes).
4. Wipe off residue.

It improves appearance and provides some structural reinforcement.

6. When to Seek Professional Repair

Skip DIY and go straight to service if:

• The screen is unresponsive or cracked deeply
• Touch sensitivity is affected
• Internal display (LCD/LED) is damaged
• You have an expensive phone or warranty coverage

Summary

Crack Type	DIY Fix	Suggested Solution
Hairline crack	Yes	Tempered glass, nail polish
Small surface	Yes	UV repair kit, screen protector
Deep/Spreading	No	Professional repair recommended
Touch issues	No	Replace screen via service center

Also Read : How to Clean Your Laptop Fan Without Taking It Apart