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Instead of paying a fortune for a big OLED 4K gaming monitor, it's no wonder some gamers think, "Can I use an OLED TV as a computer monitor?" Well, yes, they can. A high-end OLED TV, such as the LG C4 42-inch, can plug directly into a modern graphics card and work just fine as a massive, vibrant display. Because OLED panels use self-lit pixels rather than a backlight, they deliver fantastic contrast, near-instant response times, and true blacks. But does using a TV as a computer monitor have downsides?

Well, if there weren't, OLED 4K gaming monitors wouldn't exist. OLED TVs are designed to be viewed across a living room while chilling on the couch. Sitting at a desk with a 42-inch TV forces users to turn their heads to see different elements on-screen. Gamers who have tried this often suffer neck cramps and eye strain from constantly trying to take in such a wide, tall surface area, myself included.…