Cleaning
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A £2.72 Temu ultrasonic cleaner gets a simple cleaning test and a teardown. It is not ultrasonic at all.
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A $17 junk Bandai WonderSwan had a burnt polariser and an almost invisible screen. I strip the old film, clean the LCD and fit a new polariser cut on a Cricut.
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The Amiga A600 from my house fire tried to boot, but its board was coated in greasy soot. My first ultrasonic cleaning attempt, from mixing the solution to the results.
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A free, editable Atari 2600 picture label template, and the full process of rescuing two mouldy cartridges with home-printed replacement labels.
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Mike Dailly’s US 3DO arrived with its cable cut off. I test it, swap in a Triad transformer wired for 230V, service the CD drive and print the missing flap.