Field notes

Field case

Oct 11, 2026Field case · 5 min

Alienware Aurora R10: from dead PC to "small but dangerous"

Overvolting PSU with no PG signal, corroded RX 5700 XT and random restarts with no blue screen. Diagnosis, replacements and migration to a new case.

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Field case

Jun 29, 2026Field case · 9 min

Windows 10 without TPM 2.0: rescued with LTSC IoT (support until 2032)

Client with a PC that doesn't support TPM 2.0 and Win 10 past EOL. ESU via MAS vs Windows 10 IoT Enterprise LTSC, plus an in-place upgrade preserving files, apps and settings.

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Builds

Jun 27, 2026Gallery · 5 min

PC builds that passed through my workbench

An honest gallery of the PCs I've built over the last few years — gaming, workstation and office. Real photos, no renders, no retouching.

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Case study

Jun 27, 2026Field case · 7 min

Linking two HOMAGs between sites with VPN

How we bridged a German industrial woodworking machine with the design office at a different site — Ethernet on the floor, site-to-site VPN over the wire.

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Hardware

Jun 27, 2026Comparison · 9 min

Consumer SSD vs Enterprise SSD: why they cost 5× more

TBW, DWPD, power-loss protection and why putting a Samsung 870 EVO into a 24/7 server ends in tears. Comparison table and use cases where the premium is justified.

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Hardware

Jun 27, 2026Comparison · 8 min

Mechanical drive vs SSD: real reliability and use cases

A well-treated HDD lasts 8–10 years; an SSD can die overnight with no warning. When to choose each, why NAS units still use mechanical drives, and when SSD is the only option.

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Hardware

Jun 27, 2026Comparison · 10 min

Consumer laptop vs business: what the sales rep won't tell you

Why a ThinkPad T-series costs double an IdeaPad with nearly identical specs. MIL-STD, Intel vPro, chassis durability and real-life office lifespan.

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Hardware

Jun 27, 2026Comparison · 8 min

The ATX PSU you chose decides how long your PC lives

The most underestimated component when building a PC. Why a generic $30 unit can fry your board, what "80 Plus Gold" actually means and how to size wattage without overpaying.

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Opinion

Jun 27, 2026Opinion · 6 min

What people think IT support does vs reality

"Aren't you the printer guy?" Sure. And also the one monitoring servers, patching, and containing ransomware. With an infographic.

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Security

Jun 27, 2026Guide · 11 min

Backups, ransomware and business continuity

Why 60% of SMBs that suffer ransomware close within 6 months. 3-2-1 rule, RTO/RPO, immutable backups and recovery planning.

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Consulting

Jun 27, 2026Consulting · 9 min

IT advisor and project supervisor: the bridge between client and vendor

How an independent advisor translates business needs, evaluates vendor proposals and supervises projects to avoid overcosts and failures.

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Infrastructure

Jun 27, 2026Decision · 10 min

On-premise vs cloud: differences, costs and when each one wins

CAPEX vs OPEX, latency, data sovereignty and real SMB cases. Why many companies are repatriating workloads from cloud — and when migration does pay off.

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Repair

Jun 27, 2026Field case · 8 min

Hinge and top case repair on HP 15-dw1053la

Real case, how to hold a laptop correctly to avoid this common damage, models most prone and which ones hold up better.

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Networking

Jun 27, 2026Comparison · 9 min

Residential vs dedicated internet: differences and use cases

Contention, SLA, symmetric vs asymmetric, static IP. Why 50 Mbps dedicated can beat 500 Mbps residential — and when residential is enough.

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Networking

Jun 27, 2026Guide · 10 min

Access points and business WiFi: best practices and comparison

Why your ISP router isn't enough, what really makes a good AP, how to design coverage, and a comparison of Ubiquiti, TP-Link Omada, Aruba, MikroTik and Mercusys.

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Security

Jun 27, 2026Guide · 11 min

IT security for SMBs: best practices that actually work

MFA, password management, patching, segmentation, least-privilege, training and the 10 controls that prevent 90% of incidents.

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Hardware

Jun 27, 2026Guide · 9 min

Printer types: which to buy by budget and need

Inkjet, EcoTank, mono laser, color laser, dot-matrix, thermal, multifunction. Which fits home, office, school or industry — without falling for the cost-per-page trick.

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Opinion

Jun 27, 2026Opinion · 11 min

Free software, open source and GNU/Linux: the silent engine

What free software gives society, comparison vs closed software and patents, how the world would look if everything were proprietary, and real use cases.

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Software

Jun 27, 2026Guide · 12 min

Operating systems: comparison, use cases and recommendations

Windows, macOS, Linux (Ubuntu, Mint, Debian, Fedora, Arch), BSD, ChromeOS. Pros, cons and clear recommendation by user profile.

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Storage

Jun 27, 2026Guide · 9 min

USB flash drives: why they're not for storing important data

Common bad practices, when they do work, which brands to buy and how to detect fake USBs with inflated capacity before losing your data.

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Hardware

Jun 28, 2026Guide · 18 min

PC build hardware guide: what to choose by need and budget

How to pick CPU, GPU, RAM, SSD, motherboard, PSU and case. 6 budget tiers (office, student, gaming 1080p/1440p/4K, workstation, enthusiast), cross-compatibilities and common mistakes.

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VoIP

Jun 27, 2026Comparison · 14 min

VoIP: Asterisk server or hardware SIP PBX?

Asterisk/FreePBX/Issabel vs hardware SIP PBX (Yealink, Grandstream, Cisco) vs cloud PBX (3CX, RingCentral). Use cases by company size, real CapEx vs OpEx costs, and common mistakes.

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Recovery

Jun 27, 2026Guide · 13 min

Data recovery: what to do when you've lost your data

What NOT to do when a drive fails, how to tell logical from physical failure, real tools (TestDisk, PhotoRec, R-Studio), when to send the drive to a clean-room lab and cost ranges.

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Biography

Jun 27, 2026Biography · 14 min

My personal story: from curiosity to a career in technology

From a clone PC with 8 MB of RAM in 1998 to providing IT support, development and automation for the notarial, marine-port, construction and other sectors. With forums, overclocking, ransomware, notary offices, catamarans and a lot of curiosity.

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