Caring for an Original Game Boy: A Preservation Guide

Game Boy Restoration Kit: Cotton Buds, Isopropyl, Glue Remover, Hydrogen Peroxide

There is a Game Boy in Nintendo's New York store that survived a fire during the Gulf War, scorched and blistered, and it still switches on. It is a good reminder that these machines were built to last. But the things that actually kill a Game Boy are rarely so dramatic. They are slow, quiet and almost always preventable: a forgotten battery that leaks, a screen that fades a line at a time, and sunlight. Here is how a collection keeps a thirty-five-year-old handheld alive and original.

The Number-One Enemy: Battery Corrosion

If you only remember one thing, remember this: never store a Game Boy with batteries inside it. Alkaline cells leak over time, and the potassium hydroxide that seeps out will eat through the metal contacts in the AA compartment and creep onto the board. The same danger hides inside cartridges: many save-enabled games carry a small coin cell soldered to the board, and a leaking one can corrode the traces around it.

If you find white or greenish crust on the contacts, it can often be cleaned. A cotton bud dampened with isopropyl alcohol lifts light residue; stubborn alkaline corrosion responds to a tiny amount of white vinegar, followed immediately by isopropyl to dry it and a gentle scrape of the contact. Work slowly, keep moisture off the board, and let everything dry fully before you put batteries back.

Cotton buds and a bit of isopropyl alcohol work wonders on corroded contacts

Those Missing Lines on the Screen

The single most common fault on an original DMG is a column or row of the screen simply going missing. It is not the LCD dying. The screen is joined to the board by a thin ribbon, bonded with a heat-set adhesive that, after three decades, begins to let go. As the bond loosens, the pixels it carried drop out and you get the familiar dead vertical lines.

The good news is that this is usually repairable, because reheating that bond re-seats the connection. The bad news is that it is a delicate job done with a soldering iron run gently across the ribbon, and a careless hand can make things worse. For a valuable or boxed unit, this is a job for a steady, experienced hand rather than a first experiment. Knowing the cause, at least, means you can buy with your eyes open and never mistake a fixable ribbon fault for a ruined screen. If you want to see where that ribbon sits, our anatomy of the DMG-01 lays the machine out piece by piece.

Yellowing, and Cleaning the Shell

The grey Game Boy shell is ABS plastic, and ABS yellows with age and ultraviolet light. It is tempting to reach for the peroxide-and-sunlight treatment known as retrobright, but be careful: it can bleach unevenly, weaken the plastic and is not truly reversible. To make it work you need a concentration between 10%-12% which has the potential to severely burn your skin. Therefore I explicitly do not recommend this method for inexperienced. Let a professional do the brightening for you.

If you want to open the Game Boy for proper cleaning, you need a Y1 Tri-point screwdriver

For most units a gentle clean is enough, warm water, a soft cloth, a little mild soap, and cotton buds for the seams. A museum's instinct is always the same: do the least that works, and never do anything you cannot undo.

Storage That Lasts

Long-term, a Game Boy wants what most old electronics want: cool, dry and dark. Keep it out of direct sunlight to slow yellowing, add a sachet of silica gel to fight humidity, and store boxes flat and supported so the card does not crush. And, once more, take the batteries out. Handled this way, a Game Boy and its complete-in-box packaging will outlive all of us.

Preservation is mostly about removing batteries and keeping things out of the sun.

Preservation is not glamorous work. It is mostly about removing batteries and keeping things out of the sun. But it is exactly this quiet care that lets a machine from 1989 still ping to life today, ready to play. For the full picture of the hardware you are caring for, start with our complete guide to the original Game Boy.