Responsibility and versatility at the client's service.

Hardware Upgrades · Luxembourg & Northern France

RAM and SSD
Upgrades

Give your old computer a new lease on life. Installation of high-speed SSDs up to 10x faster and RAM expansion.

✔ Free diagnosis ✔ No data loss ✔ Windows 10 & 11
RAM / SSD Upgrades
13+ Years of Experience

BOOST YOUR OLD COMPUTER

Old mechanical hard disk drives (HDDs) are the main bottleneck in older computers, taking minutes to boot the system.

By replacing your old drive with a modern high-speed solid-state drive (SSD), your computer boots in seconds and loads programs instantly.

Increasing RAM memory allows your computer to handle more browser tabs and run demanding applications smoothly.

We perform an exact sector-by-sector cloning of your original drive to the new SSD so you don't lose any files or settings.

Services

  • 💻SATA SSD Installation
  • 💻M.2/NVMe SSD Setup
  • 💻DDR3/DDR4 RAM Upgrade
  • 💻Drive Cloning
CALL NOW: +352 691 97 59 26
Simple and transparent

WHAT WE UPGRADE

Our hardware upgrade services cover the following actions:

SSD Upgrade

SSD Upgrade

Replacing the slow mechanical HDD with a blazing-fast SATA or NVMe SSD.

RAM Expansion

RAM Expansion

Increasing system memory (RAM) for better multitasking and general response speeds.

Secure Disk Cloning

Secure Disk Cloning

Cloning your old drive onto the new SSD, keeping all applications and files intact.

Internal Dusting

Internal Dusting

Cleaning out internal dust from cooling fans during disassembly for the hardware upgrade.

SSD Optimization

SSD Optimization

Configuring correct system settings (like TRIM support) to prolong SSD lifespan.

Performance Test

Performance Test

Running disk speed tests to verify and show the actual performance boost.

WHY CHOOSE CALISTECH

24h Response

We handle emergencies in under 24 hours — because your productivity cannot stop.

🔒
100% Safe Data

Mandatory backup before any intervention. Your files are never at risk.

💳
Clear Quotes

No surprises. We present the total cost before starting any job.

🏠
On-Site Support

We travel to your home or company in Luxembourg and northern France.

Result Guarantee

Guaranteed work. If the problem returns, we fix it at no extra cost.

🌐
Bilingual PT / FR

Support in Portuguese and French for your total convenience.

PC taking too long to boot?

We will reply in less than 24h. Thank you for contacting us.

📞 +352 691 97 59 26 SEND MESSAGE

✉ info@calistech.lu

📍 Luxembourg & France

🕐 Mon–Sat, 8am–8pm

COMPREHENSIVE MULTI-BRAND SERVICES

Calistech provides technical support for all major brands — Dell, HP, Lenovo, ASUS, Acer, Apple, Samsung, Toshiba, and many others. Our technicians are ready to resolve any issue.

01
💿

OS Formatting & Installation

Formatting resolves extreme slowness, blue screens of death (BSOD), system file corruption, or boot failures.

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02
🛡️

Virus & Malware Removal

Calistech utilizes advanced deep analysis software to detect hidden threats that common antivirus programs miss.

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03

Performance Optimization

The system optimization performed by Calistech diagnoses all performance bottlenecks in your OS.

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04
🌡️

Internal Cleaning & Thermal Paste

Constant high heat degrades original thermal paste, causing the system to throttle CPU speeds or shut down to prevent damage.

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05
🔧

Driver & Software Installation

Calistech diagnoses hardware issues and installs the latest stable official device drivers.

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06
🔩

Hardware Repair

Calistech repairs laptops of all brands, replacing damaged parts with fresh, warrantied components.

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07
🖨️

Printers & Peripherals

Calistech configures network printers, allowing you to print from multiple computers, tablets, or smartphones.

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08
🏠

Home Technical Assistance

With Calistech's home technical assistance service, a qualified technician travels directly to your home or office.

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Brands we repair

Dell HP Lenovo ASUS Acer Apple Samsung Toshiba MSI Sony Packard Bell Fujitsu
Técnico Calistech

OUR DIFFERENCES

TRUST AND
PROFESSIONALISM

Every intervention is treated with maximum rigor and transparency. Free diagnosis, clear quote — we only proceed with your consent.

HOW IT WORKS

01

Free diagnosis

We analyze your device and present the best options.

02

Data backup

We perform a full backup of your data before any work begins.

03

Formatting & Setup

Clean install of the chosen OS, activation and full configuration.

04

Delivery & Warranty

We deliver the tested equipment with all essential software installed.

FREQUENTLY ASKED QUESTIONS

Didn't find the answer? Contact us.

How long does a Windows installation take?
Will my files be safe during the intervention?
Do I need a Windows license for the formatting?
Does Calistech offer home assistance in Luxembourg?
What is the difference between Windows 10 and Windows 11?
13+ Years of Experience
Especialista Calistech
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TODAY

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