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Repair guide

Clean and fix a worn joystick

Dirty or worn switches and potentiometers cause most joystick faults. Opening it, cleaning the contacts and replacing worn microswitches often fixes the problem.

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

Cleaning · Easy · about 45 minutes. Try it, but check first. This will not fix every machine, so read the sources first.

You are in the right place if: The stick sticks, moves diagonally by itself, or some directions or fire buttons do not register.

Before you start

  • Use contact cleaner in a ventilated space.
  • Do not spray on plastics that may craze.

Board revisions and models

Atari-style digital sticks and analog PC sticks are very different inside.

Parts you may need

  • Microswitches. Replace worn buttons Amazon · eBay
  • Contact cleaner. Clean pots and contacts Amazon · eBay

Tools

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

Step by step

  1. Test first Try the joystick on a second machine or port.
  2. Open the case Remove the screws and lift the case, noting the layout.
  3. Check the connections Look at the cable and solder joints.
  4. Clean the switches Clean metal contacts with isopropyl alcohol.
  5. Inspect the stick and spring Check the shaft and spring for wear.
  6. Replace worn switches Replace any microswitch that feels dead.
  7. Clean the potentiometers For analog sticks, treat the pots with contact cleaner and work them.
  8. Reassemble Put the stick back together.
  9. Test Test with a joystick test program.

Tips, tales and maybes

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

  • Maybe (Low confidence). Test with a joystick tester before closing. General technique, no source.

Sources

We wrote this one from general technique and have no source to credit for it yet. Treat it as a starting point, and read or watch a guide for your exact model before you begin.

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.

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