An external drive drops out, the printer vanishes, the mouse lags — often it's not the computer at fault but the USB hub or a lack of power. Here's how hubs work, which types exist and how to avoid common peripheral problems.
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Your laptop has several identical oval USB-C ports, but the monitor only works in one and the dock won't charge. Here's a guide through the confusion of USB-C, USB4 and Thunderbolt standards and how to tell what your port and cable can do.
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An external drive is the easiest way to store photos, documents and backups. Here's whether to choose an HDD or SSD, why these drives fail and what to do if your computer stops seeing a drive with important data.
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When a family or office has several computers and phones, files end up scattered across flash drives, external drives and messengers. A NAS brings everything together in one place and makes backups by itself. Here's who needs one and how to set it up safely.
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The computer has slowed down, and the first thought is to buy a new one. But often a couple of inexpensive upgrades restore its speed for years. Here's how to find the bottleneck, which upgrades pay off and when it really is time to replace your machine.
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A 2 TB flash drive for pennies, a "new" graphics card at a used price, an original charger at half the cost — counterfeit parts are far more common than you'd think. Here's what gets faked, how to spot it and what it means for your data.
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People usually remember the warranty card only when something breaks — and then find the warranty doesn't apply. Here's what an equipment warranty actually covers, why claims are refused and how to keep your right to a free repair.
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Nobody wants to run a cable from the router across the whole flat, so the computer gets connected to Wi-Fi with a cheap adapter — and then people wonder at the low speed and dropouts. Here's which wireless connection to choose and when it's better to run a cable after all.
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Hiss in your headphones, crackling when you move the mouse, hum from the speakers — many people decide it's time to buy a sound card. Here's when you really need one, and when the problem is jacks, drivers and interference that can be fixed without buying anything.
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A cheap printer in the shop often turns into expensive cartridges and dried-up ink. Here's how laser and inkjet printers differ, how to work out the real cost per page and which printer suits you.
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The MFP is the office workhorse: it prints contracts, scans passports and copies invoices. Here's what to look for when choosing one, which features save your staff time and why an office MFP so often "disappears" from the network.
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The lights flicker, the computer restarts, an unsaved document is lost — and after a few such surges the power supply burns out. A UPS protects against this, but only if it's chosen correctly. Here are the types of UPS, how to calculate capacity and the common mistakes.
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The lights dim and brighten, equipment switches off for no reason and power supplies burn out more often than they should. Here's when you need a voltage stabiliser, how it differs from a UPS and a surge protector, and how to choose one.
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More and more people want to run AI models on their own computer — no subscriptions and no sending data to the cloud. Here's what hardware you really need, why video memory is the key spec and what you can realistically expect from a home AI computer.
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In virtual reality, dropped frames aren't just uncomfortable — they cause dizziness and nausea. Here's what computer VR needs, how to connect a headset properly by cable and over Wi-Fi, and why even a powerful PC can stutter in a headset.
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Overclocking promises free performance, but often brings blue screens, corrupted files and overheating. Here's what overclocking really gives you today, what the risks are and how to tell whether it's behind your computer's strange crashes.
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Manufacturers supply processors and graphics cards with extra voltage as a safety margin. Undervolting removes that margin: the computer runs cooler and quieter, while performance barely changes. Here's how it works, who it helps and what to bear in mind.
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Router boxes promise gigabits and new standard numbers, yet after buying one the speed at home barely changes. Here's what Wi-Fi 6, 6E and 7 really give you, who needs a new router and why buying one is often not enough.
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Your network list shows two similar names: MyWiFi and MyWiFi_5G. Which is better? Here's how the 2.4 and 5 GHz bands differ, which to choose for each device and why a smart plug or old laptop can't find the 5 GHz network.
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Wi-Fi barely works in the far room, so the first move is a cheap extender — and the speed drops even further. Here's how a repeater differs from a mesh system and an access point, and how to get good Wi-Fi throughout your home.
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A router runs round the clock for years, and people only think about it when the internet drops. Here's how long a router lasts, the signs that it's outdated or failing, and what can be fixed without buying a new one.
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Most new connections in Tbilisi are fibre. Speeds are high, yet only part of them reaches your devices over Wi-Fi. Here's how GPON works, what the optical terminal does, how not to damage the cable and where speed is really lost.
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The test says one thing, the provider promises another, and the phone shows a third. Here's what the numbers in a speed test mean, how to test your internet so you can trust the result, and when low speed is a reason to call your provider.
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The plan is 500 Mbit/s, yet in the game your character teleports and shots don't register. Here's where high ping comes from, why internet speed barely affects it and which measures really reduce lag in online games.
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