News & Guides
Clear advice from TECHBUY for choosing, using and upgrading laptops and PCs.
Latest articles
All topics: 279 matching articles · Showing 208–216
Use & troubleshootingDo you need a 120Hz laptop for study and office work?
120Hz can smooth motion, but brightness, aspect ratio and keyboard comfort may matter more during a full day of documents.
Read article
Use & troubleshootingExternal monitor for a laptop: check HDMI and USB-C first
A USB-C socket does not automatically support video or charging. Read the port specs, choose a cable and test the display before buying.
Read article
Use & troubleshootingA used phone has IP68: should you test it with water?
IP68 comes from controlled testing of a model, not a guarantee that an individual used phone still has its original seals.
Read article
Use & troubleshootingUsed OLED phone screen: check tint and image retention
A few backgrounds and touch checks reveal problems that matter in use, without turning a used-phone inspection into an extreme pixel hunt.
Read article
Use & troubleshootingNew laptop delivery: what to check in the first 15 minutes
A practical handover order: confirm the exact configuration, then test the display, keyboard, charging, connections and warranty details.
Read article
Use & troubleshootingLaptop SSD: do you need 512GB or 1TB?
Estimate storage from real apps, photos, video and projects. Learn when a built-in 1TB drive beats 512GB plus external storage.
Read article
Buying adviceUsed iPhone 15 Pro: 128GB or 256GB for video?
Capacity changes more than the number of stored photos: internal ProRes recording options differ between the 128GB and 256GB models.
Read article
Use & troubleshootingBuying a used Galaxy S23: check display, cameras and accounts
A practical handover checklist for a used Galaxy S23: account removal, 120Hz display, three cameras, connections and battery.
Read article
Buying adviceLaptop for accounting: 14 or 15.6 inches?
Data entry calls for the right keyboard, screen, ports and desk setup, not simply the highest CPU number on a price tag.
Read articleNot sure which configuration to choose?
TECHBUY can help you choose the right device for your real needs and budget.