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How to guides from dhandev.in: plain-English explainers, buying advice and honest verdicts for readers in India.
REVIEWSRefurbished phones and laptops: smart buy or risky?
Refurbished devices can save a lot of money. The difference between a good deal and a headache is where you buy and what you check.
3 Nov 2026 · 1 min read
HARDWARELaptop overheating? Causes and fixes that actually work
A hot laptop slows itself down to protect the chip, so games stutter and apps lag. Most overheating comes from a few fixable causes.
3 Nov 2026 · 1 min read
AIHow to use ChatGPT for work emails without sounding like a robot
AI can draft emails in seconds, but readers notice stiff, overly formal text. A few prompts fix that.
3 Nov 2026 · 1 min read
HOW TOHow to tell if a product review online is fake
How to tell if a product review online is fake: a quick practical guide.
3 Nov 2026 · 1 min read
PHONESData saver tips: how to use less mobile data every month
Data saver tips: how to use less mobile data every month: a quick practical guide.
3 Nov 2026 · 1 min read
HARDWAREUSB-C explained: why not every cable is the same
USB-C describes the shape of the plug, not what the cable can do. Two cables that look identical can behave very differently.
3 Nov 2026 · 1 min read
HOW TOHow to clean your laptop and phone screen safely
How to clean your laptop and phone screen safely: a quick practical guide.
3 Nov 2026 · 1 min read
PHONESHow to find out what is slowing down your phone
Phones slow down for a few common reasons. Finding the right one saves you from buying a new phone too early.
3 Nov 2026 · 1 min read
PHONESHow to read a phone spec sheet without getting fooled
Phone ads lead with huge numbers. Many of them matter much less than they look.
3 Nov 2026 · 1 min read
SOFTWAREWhat is the cloud? A simple guide for non-tech people
The cloud just means files and apps stored on someone else's computers in large data centres, which you reach over the internet.
3 Nov 2026 · 1 min read
HOW TOHow to make your laptop webcam and mic sound better on calls
You do not need new gear to look and sound better on video calls. Light and position matter most.
3 Nov 2026 · 1 min read
HOW TOHow to check if a website is safe before you buy
Fake shopping sites copy real brands and run ads with impossible discounts. A two minute check avoids most of them.
3 Nov 2026 · 1 min read
HARDWAREMonitor buying guide: resolution, refresh rate and panel types explained
A monitor lasts longer than most PCs, so it is worth choosing carefully. Three specs matter most.
3 Nov 2026 · 1 min read
SOFTWAREKeyboard shortcuts every Mac and Chromebook user should know
The handful of Mac and Chromebook shortcuts that save real time every day, from instant search to quick screenshots and switching apps.
3 Nov 2026 · 1 min read
HOW TORunning out of Google Drive or iCloud space? What to delete first
Free cloud storage fills up fast because photos, email and backups all share the same space.
3 Nov 2026 · 1 min read
SOFTWAREHow to speed up a slow browser in five minutes
Six quick fixes for a slow Chrome, Edge or Firefox: tabs, extensions, updates, cache and the settings that quietly eat memory.
3 Nov 2026 · 1 min read
PHONESOld phone, new life: 7 useful things to do with it
Seven practical ways to reuse an old smartphone, from a home camera to a kid-safe device, plus how to wipe it safely before giving it away.
3 Nov 2026 · 1 min readHow to set up two-step verification on Gmail, WhatsApp and Instagram
Two-step verification means a stolen password alone is not enough to get into your account. It takes five minutes per app.
3 Nov 2026 · 2 min read
PHONESSpotting scam messages: UPI, delivery and job fraud tricks to watch for
Most scams in India now arrive by SMS, WhatsApp or a phone call. They look different but follow the same pattern: urgency, a link, and a request for money or a code.
3 Nov 2026 · 1 min readHow to keep your laptop battery healthy for years
Laptop batteries wear out with time and heat. A few habits slow that down noticeably.
3 Nov 2026 · 2 min read
AIHow to use Google Lens to make everyday life easier
Google Lens uses your camera to understand what you are looking at. It is free on most Android phones and in the Google app on iPhone.
3 Nov 2026 · 1 min read
HOW TOHow to back up your phone and laptop properly: the 3-2-1 rule
Phones get lost and laptops die. The only question is whether your photos and documents survive.
3 Nov 2026 · 1 min readLaptop buying checklist: 10 things to check before you pay
Shop specs can be confusing. This checklist keeps you focused on what you will notice every day.
3 Nov 2026 · 3 min readWriting better AI prompts: five habits that give you better answers
Most disappointing AI answers come from short, vague prompts. A few habits fix most of it.
3 Nov 2026 · 2 min readHow to create strong passwords you can actually remember
Reusing one password everywhere is the most common way accounts get hacked. When one website leaks it, attackers try it on your email and bank.
3 Nov 2026 · 2 min read
PHONESHow to check if a phone charger is safe
Cheap unbranded chargers can overheat and damage batteries. A few checks reduce the risk.
3 Nov 2026 · 1 min readHow to free up storage on your phone without deleting photos
A full phone gets slow and stops installing updates. Before deleting memories, clear the real space wasters.
3 Nov 2026 · 2 min read
AIUsing AI to study better without cheating yourself
AI can be a patient tutor or a shortcut that leaves you unprepared. How you use it decides which.
3 Nov 2026 · 1 min read
SOFTWAREWindows tips most people never use (but should)
Try one a day for a week and they become habits.
3 Nov 2026 · 1 min readSSD vs HDD: the cheapest upgrade that makes an old computer feel new
If your computer takes minutes to start and apps open slowly, the storage drive is often the problem. Older machines use hard disk drives (HDD) with spinning platters. Solid state drives (SSD) have no moving parts and are many times faster.
3 Nov 2026 · 3 min readWi-Fi slow at home? Fix these things before calling your provider
Most slow home Wi-Fi is caused inside the house, not by the internet plan.
3 Nov 2026 · 2 min readHow much RAM do you really need in 2026? A simple answer for every kind of user
RAM is the short-term memory your computer uses for open apps and browser tabs. Too little and everything slows down. Too much and you paid for memory that sits idle.
3 Nov 2026 · 3 min read
AICan you run a ChatGPT-style AI on your own laptop? A plain guide
Small open models now run on ordinary laptops. Whether yours can depends mostly on memory, not on the processor sticker.
3 Nov 2026 · 1 min read
PHONESTurn off the AI features you never asked for on your phone
New phones add AI assistants, summaries and suggestions everywhere. Some are useful, some just drain battery and attention.
3 Nov 2026 · 1 min read
HOW TOSpeed up an old Windows laptop without buying anything
Before you spend money, these free steps fix most slow laptops.
3 Nov 2026 · 1 min read