Posts by Dr Jan van Niekerk
POPIA-Compliant IT Asset Disposal for Healthcare
A practical guide for South African healthcare IT managers on POPIA-compliant IT asset disposal, data sanitisation standards, chain of custody, and ITAD vendor selection.
Read MoreHard Drive Destruction Methods Explained
Compare shredding, degaussing and wiping for hard drive destruction in South Africa. POPIA-aligned guidance for IT managers and CIOs managing asset disposal.
Read MoreReading XRP Charts: Volatility Traps and Key Levels
Learn how to read XRP price charts as a beginner. Understand volatility traps, key support and resistance levels, and chart signals for South African investors.
Read MoreTop Things to Look Out for When Buying a Used Laptop or PC in South Africa
Buying a used laptop or PC in South Africa? Use this practical checklist to inspect hardware, spot scams, and avoid costly mistakes before you pay.
Read MoreHow to Check If a Used Laptop Is in Good Condition Before You Buy
Buying a used laptop in South Africa? Use this beginner checklist to inspect hardware, test battery health, and spot red flags before you pay.
Read MoreBitcoin Merged Mining Explained
Learn what merged mining is, how AuxPoW works, which coins support it, and how to enable it on your pool. A practical guide for South African home miners.
Read MoreMining Safety Checklist for 2026
A practical mining safety checklist for 2026 covering electrical safety, heat management, and fire risk for home miners in South Africa. Print and use today.
Read MoreHow to Check Battery Health on a Used Laptop
Learn how to check laptop battery health before buying or selling a used laptop in South Africa. Windows and Mac steps, red flags, and pricing tips included.
Read MoreHow to Check HDD or SSD Health Before Selling Your PC
Learn how to check your HDD or SSD health before selling your laptop or PC in South Africa. Free tools, SMART data explained, and a pre-sale checklist.
Read MoreInland vs Coastal Mining: Cable and Plug Care in Humid Air
South African home miners face very different humidity risks by region. Learn how to protect your cables and plugs from corrosion, whether inland or coastal.
Read More