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System Maintenance Courses & Coupons | Comidoc

System Maintenance

System Maintenance

System Maintenance

Essential maintenance routines to keep your hardware and software running at their absolute peak.

PC Maintenance

System Care

Hardware Maintenance

Paid courses are visible

70-462: SQL Server Database Administration (DBA)

Phillip Burton • o

70-462: SQL Server Database Administration (DBA)

70-462: SQL Server Database Administration (DBA)

(4.57 with 6.8K reviews)

34.7K

students

9.9 hours

content

Feb 2026

updated

$17.99

Montagem e Manutenção de Computador do ZERO

Grupo Happy Hardwa

Montagem e Manutenção de Computador do ZERO

Montagem e Manutenção de Computador do ZERO

(4.72 with 3.5K reviews)

8.0K

students

8.2 hours

content

Jul 2025

updated

$14.99

Mantenimiento y Reparación de Equipos de Cómputo desde Cero

Mantenimiento y Reparación de Equipos de Cómputo desde Cero

Mantenimiento y Reparación de Equipos de Cómputo desde Cero

(4.58 with 1.8K reviews)

5.0K

students

12 hours

content

Sep 2024

updated

$14.99

Prep for the LPIC-1 Exam 102-500: Linux System Administrator

Christine Bresnaha

Prep for the LPIC-1 Exam 102-500: Linux System Administrator

Prep for the LPIC-1 Exam 102-500: Linux System Administrator

(4.69 with 319 reviews)

4.2K

students

11 hours

content

Aug 2024

updated

$19.99

Curso Técnico em TI completo: manutenção, formatação...

Curso Técnico em TI completo: manutenção, formatação...

Curso Técnico em TI completo: manutenção, formatação...

(4.72 with 1.2K reviews)

2.7K

students

8.2 hours

content

May 2026

updated

$14.99

Mantenimiento de PC para Principiantes

Mantenimiento de PC para Principiantes

Mantenimiento de PC para Principiantes

(4.62 with 154 reviews)

1.9K

students

1.4 hours

content

Aug 2024

updated

$14.99

Everything You Need To Know About RS485

Emile Ackbarali

Everything You Need To Know About RS485

Everything You Need To Know About RS485

(4.58 with 604 reviews)

1.9K

students

1.9 hours

content

May 2026

updated

$14.99

Quelques recommandations pour un technicien informatique

Quelques recommandations pour un technicien informatique

Quelques recommandations pour un technicien informatique

(4.07 with 103 reviews)

1.5K

students

42 minutes

content

Mar 2023

updated

FREE

Curso conserto de fontes ATX - fontes de computador

João Luis Negrele

Curso conserto de fontes ATX - fontes de computador

Curso conserto de fontes ATX - fontes de computador

(4.90 with 229 reviews)

980

students

23 hours

content

May 2026

updated

$14.99

Aprenda Impressão 3D + Manutenção: 2 cursos COMPLETOS!

Carlinzim • +30.00

Aprenda Impressão 3D + Manutenção: 2 cursos COMPLETOS!

Aprenda Impressão 3D + Manutenção: 2 cursos COMPLETOS!

(4.57 with 245 reviews)

940

students

6.1 hours

content

Jul 2024

updated

$14.99

Técnico em informática

Técnico em informática

Técnico em informática

(4.61 with 360 reviews)

809

students

3.4 hours

content

Aug 2023

updated

$14.99

IT Fundamentals & Troubleshooting for Computer Technicians

James Bernstein

IT Fundamentals & Troubleshooting for Computer Technicians

IT Fundamentals & Troubleshooting for Computer Technicians

(4.38 with 122 reviews)

763

students

8.2 hours

content

Jan 2026

updated

$14.99

Siemens Sinamics S120 Service and Commissioning

Siemens Sinamics S120 Service and Commissioning

Siemens Sinamics S120 Service and Commissioning

(3.46 with 103 reviews)

658

students

9.4 hours

content

Nov 2021

updated

$14.99

Ab sofort Windows10/11 als Profi beherrschen und nutzen!

Volker Buntrock

Ab sofort Windows10/11 als Profi beherrschen und nutzen!

Ab sofort Windows10/11 als Profi beherrschen und nutzen!

(4.27 with 32 reviews)

221

students

18 hours

content

Dec 2023

updated

$14.99

Энциклопедия по ремонту ПК

Павел Басманов

Энциклопедия по ремонту ПК

Энциклопедия по ремонту ПК

(4.32 with 72 reviews)

197

students

5.9 hours

content

Dec 2017

updated

$14.99

Guía completa para actualizar Laravel hasta la versión 12

Guía completa para actualizar Laravel hasta la versión 12

Guía completa para actualizar Laravel hasta la versión 12

(4.66 with 31 reviews)

175

students

22 hours

content

Dec 2025

updated

$14.99

Técnico em Hardware Jr

Allan Almeida de A

Técnico em Hardware Jr

Técnico em Hardware Jr

(4.39 with 33 reviews)

178

students

3.1 hours

content

Aug 2020

updated

$14.99

Manutenção de PC e Notebook com Windows 10

Adriano de Souza

Manutenção de PC e Notebook com Windows 10

Manutenção de PC e Notebook com Windows 10

(4.62 with 37 reviews)

110

students

4.3 hours

content

Jun 2026

updated

$14.99

Curso de formatação profissional de notebooks e PC's

Otavino Lopes Alme

Curso de formatação profissional de notebooks e PC's

Curso de formatação profissional de notebooks e PC's

(4.77 with 42 reviews)

85

students

2.6 hours

content

Dec 2022

updated

$64.99

Montagem, Manutenção de PC e Windows 11 (COMBO especial)

Luiz Carlos Morais

Montagem, Manutenção de PC e Windows 11 (COMBO especial)

Montagem, Manutenção de PC e Windows 11 (COMBO especial)

(4.47 with 34 reviews)

88

students

21 hours

content

Apr 2026

updated

$14.99

Hardware 2.0 para iniciantes

Anysson Germano

Hardware 2.0 para iniciantes

Hardware 2.0 para iniciantes

(4.43 with 29 reviews)

68

students

2.2 hours

content

May 2021

updated

$14.99

Maintenance et Réparation de PC Portable: Pannes Matérielles

Maintenance et Réparation de PC Portable: Pannes Matérielles

Maintenance et Réparation de PC Portable: Pannes Matérielles

(3.46 with 14 reviews)

61

students

1.0 hour

content

Dec 2024

updated

$17.99

How to Disassemble a Laptop: The Ultimate Disassembly Guide

How to Disassemble a Laptop: The Ultimate Disassembly Guide

How to Disassemble a Laptop: The Ultimate Disassembly Guide

(3.90 with 5 reviews)

20

students

43 minutes

content

Dec 2025

updated

$14.99

Solar Fencing Systems: Design, Installation & Maintenance

Solar Fencing Systems: Design, Installation & Maintenance

Solar Fencing Systems: Design, Installation & Maintenance

(4.83 with 3 reviews)

7

students

1.4 hours

content

Sep 2025

updated

$14.99

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