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  1. Home
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  3. Oliver Trebilcock
Oliver Trebilcock - Senior researcher & writer at Which?

Oliver Trebilcock

Senior researcher & writer

Oliver’s expertise in computing, printing and tech helps you get the most for your money 

175 articles
  1. 2026

    1. 04 Nov
      Two laptops

      Best Black Friday laptop deals 2026

      Laptops
    2. 03 Nov
      A person holds a yellow cup of coffee while using a laptop displaying Windows 11, surrounded by indoor plants.

      Windows 11 requirements: check if your computer is compatible

      Laptops
    3. 03 Nov
      Close-up of a laptop keyboard showing the Intel Core i3 logo on a dark surface. Keys partially visible in the background.

      Intel processors explained: what is Core i3, i5, i7 and Pentium?

      Laptops
    4. 03 Nov
      Young man wearing headphones studies at a desk in a library, using a laptop and taking notes in a notebook.

      Best laptops for students 2026

      Laptops
    5. 03 Nov
      A hand rests on a white keyboard of a tablet displaying the Windows 10 interface, with a blue background and tiled menu.

      Best Windows laptops

      Laptops
    6. 03 Nov
      Close-up of a Chromebook with the logo visible; a blurred child’s face in the background, suggesting a learning environment.

      Best Chromebooks for 2026

      Laptops
    7. 03 Nov
      Person with a short haircut wearing a green shirt, working on a computer at a desk cluttered with documents and plants.

      Apple Mac mini (M4) review

      Desktop PCs
    8. 03 Nov
      A person in a mustard sweater holds a smartphone while typing on a laptop, seated on a couch.

      Best MacBooks for 2026

      Laptops
    9. 03 Nov
      A mother and daughter smile together at a breakfast table

      Best budget laptops under £200, £300 and £500

      Laptops
    10. 03 Nov
      A woman sits at her laptop with headphones on

      Best laptops for 2026 and buying guide

      Laptops
    11. 03 Nov
      Three ink cartridges in cyan, magenta, and yellow, installed in a printer, with labels and QR codes visible.

      HP Instant Ink: is it worth buying an HP printer for?

      Printers and ink
    12. 03 Nov
      A cheap inkjet printer

      Best cheap printers with cheap ink

      Printers and ink
    13. 03 Nov
      Top view of a printer partially open, next to a laptop on a wooden surface, with a colorful pen holder in the background.

      Best laser printers 2026

      Printers and ink
    14. 03 Nov
      Man in a light blue shirt placing colorful document pages in a printer, focused on his task in a cluttered office environment

      Best inkjet printers for 2026

      Printers and ink
    15. 03 Nov
      A vibrant beach scene with lush greenery, turquoise waters, and mountains, emerging from a printer onto a wooden surface.

      Best photo printers for 2026

      Printers and ink
    16. 03 Nov
      A person holds a colorful printed photo beside an HP printer on a wooden table, with stationery in the background.

      Best HP printers 2026: inkjet and laser models for home use

      Printers and ink
    17. 03 Nov

      Best Epson printers 2026: EcoTank, Expression and more tested

      Printers and ink
    18. 03 Nov

      Best Canon printers 2026: Pixma, laser and inkjet models rated

      Printers and ink
    19. 03 Nov

      Best Brother printers 2026: laser and inkjet models rated

      Printers and ink
    20. 03 Nov
      A hand adjusts the control panel of a printer while it outputs a colorful document featuring text and images.

      Best all-in-one printers for 2026

      Printers and ink