CrackMacWill a cracked MacBook screen get worse? How cracks spread and how to slow them
Often, yes. A crack in a MacBook display tends to grow with pressure on the lid, flexing each time you open and close it, and heat. Some stay put for months, but many spread within a few weeks. How you carry and use the Mac makes a real difference.
Not ready to pay for a repair? If the damage sits along an edge, you can block off the broken part and keep using the rest.
What makes a crack spread
- Pressure. Something in a bag pressing on the lid, or pushing on the screen to "check" the damage.
- Flexing. Opening the lid by one corner twists the panel. Open it from the middle. More on cracked corners.
- Heat and cold. A hot car or a cold walk makes the layers expand and contract.
- Things on the keyboard. A pen or earbuds left on the keyboard press into the screen when the lid closes.
How to slow it down
- Carry the Mac in a padded sleeve, and nothing heavy on top of it in the bag.
- Open and close the lid slowly, from the centre.
- Don't touch or press the damaged area.
- Keep the keyboard clear before closing.
- Back up now. A knock hard enough to crack the screen can affect other parts.
Signs it's time to act
Wondering whether it's safe to keep using meanwhile? It is, with some care: the real risks of a cracked screen.
New lines appearing, a black area growing, or flickering that follows the lid angle all mean the damage is progressing. If you plan to repair, do it before the damage reaches the middle of the screen, since a growing crack doesn't change the repair price but does change how usable the Mac is meanwhile. See what a replacement costs.
If the damage runs along one edge, CrackMac can keep windows, menus and the pointer off it. There's a free 30-minute trial.
Quick answers
Do cracks in a MacBook screen spread?
Often, yes. LCD cracks grow with pressure on the lid, flexing when you open and close it, and temperature changes. Some stay stable for months, but many spread within weeks.
Can I put tape or a screen protector over a cracked MacBook screen?
Tape on the outer glass can stop loose fragments but won't stop the crack growing inside the panel. Don't press anything onto the screen, and never apply tape to the keyboard side where it could catch when the lid closes.
Damage along an edge?
CrackMac keeps windows, the menu bar and the pointer on the part of the screen that still works, and paints the dead strip black. You draw the line once, on a picture of your screen, and it stays out of your way after that.
- Works on macOS 13 or later, Apple silicon and Intel.
- Free for 30 minutes of use, then a one-time price. No subscription.
- A refund within 7 days, no questions asked.