C:\>ConventionalMemory.io

Repair guide

Clean Game Boy and GBA cartridge slots and contacts

A dirty or corroded cartridge connection is the most common reason handhelds refuse to boot a game.

Open the interactive checklist Tick off each step as you go. It saves in your browser.

Cleaning · Easy · about 15 minutes. Worth doing. Reports say this fix helps on many machines.

You are in the right place if: Games boot only after wiggling, or show garbled graphics or a black screen.

Before you start

  • Avoid Brasso, sandpaper and magic eraser on metal pins.
  • Do not blow into cartridges.

Parts you may need

Tools

Affiliate links. As an Amazon Associate I earn from qualifying purchases. These links only search by name. Disclosure

Step by step

  1. Power off and remove batteries Do this before cleaning.
  2. Clean the cartridge Wipe the edge connector with an alcohol swab and dry it.
  3. Inspect the slot Look inside with a light for debris, rust or green corrosion.
  4. Clean the slot Wrap an alcohol-dampened cloth around a card and slide it in and out.
  5. Use contact cleaner if needed Spray contact cleaner and scrub with a swab.
  6. Dry fully Let everything dry before reinserting.
  7. Test Try several cartridges.
  8. Escalate If a pin is corroded or shorted, the slot may need replacement.

Tips, tales and maybes

Found in write-ups and forum threads. These are other people's reports, not tested by us.

  • Story (Medium confidence). A Game Boy Pocket had corroded cartridge pins, two shorted together by a previous repair. Source
  • Tip (Medium confidence). ConsoleMods recommends alcohol-dampened swabs and, as a last resort, a fibreglass pen. A pink eraser is encouraged. Source

Guides we used

We wrote the steps in our own words from these. They have the photos and the full detail, so please read them and support their authors.

Boards and models vary, so check what is in front of you. A repair can involve hot tools, chemicals and, on some machines, dangerous voltages. You do it at your own risk.

More