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System Diagnostics & Repair Courses & Coupons | Comidoc

System Diagnostics & Repair

System Diagnostics & Repair

System Diagnostics & Repair

Learn advanced diagnostic tools and techniques to identify root causes of system failures, performance bottlenecks, and software conflicts.

System Repair

Performance Tuning

PC Health Check

Paid courses are visible

Build Your Own Custom Computer!

Joseph Delgadillo

Build Your Own Custom Computer!

Build Your Own Custom Computer!

(4.42 with 562 reviews)

52.4K

students

4.2 hours

content

Nov 2024

updated

$14.99

Advanced IT Troubleshooting for Helpdesk Support Technicians

Advanced IT Troubleshooting for Helpdesk Support Technicians

Advanced IT Troubleshooting for Helpdesk Support Technicians

(4.52 with 1.3K reviews)

47.4K

students

32 minutes

content

Dec 2025

updated

$17.99

SQL Server Crashes and Critical Failures

SQL Server Crashes and Critical Failures

SQL Server Crashes and Critical Failures

(4.49 with 663 reviews)

24.2K

students

1.1 hours

content

Oct 2015

updated

FREE

Complete Linux Troubleshooting Course (Practical Examples)

Complete Linux Troubleshooting Course (Practical Examples)

Complete Linux Troubleshooting Course (Practical Examples)

(4.64 with 2.2K reviews)

19.0K

students

17 hours

content

Jun 2026

updated

$14.99

Curso de Reparación de Computadoras Desde Cero

Curso de Reparación de Computadoras Desde Cero

Curso de Reparación de Computadoras Desde Cero

(4.72 with 4.1K reviews)

10.6K

students

8.4 hours

content

Dec 2025

updated

$14.99

Linux Diagnostics And Troubleshooting

Linux Diagnostics And Troubleshooting

Linux Diagnostics And Troubleshooting

(4.40 with 1.4K reviews)

9.3K

students

10 hours

content

Jul 2023

updated

$17.99

Windows 10 Troubleshooting

Intellezy Trainers

Windows 10 Troubleshooting

Windows 10 Troubleshooting

(4.59 with 2.4K reviews)

7.6K

students

4.4 hours

content

Jun 2017

updated

$14.99

Learn Phone Repairing Hardware + Software

Learn Phone Repairing Hardware + Software

Learn Phone Repairing Hardware + Software

(4.24 with 244 reviews)

6.6K

students

2.5 hours

content

May 2024

updated

FREE

Garnett Cross Training in the Maintenance of Oil Hydraulics

Garnett Cross Training in the Maintenance of Oil Hydraulics

Garnett Cross Training in the Maintenance of Oil Hydraulics

(4.39 with 1.2K reviews)

4.5K

students

8.6 hours

content

Jan 2022

updated

$17.99

Server Administration Fundamentals 2017 (Server+ SK0-004)

Server Administration Fundamentals 2017 (Server+ SK0-004)

Server Administration Fundamentals 2017 (Server+ SK0-004)

(4.56 with 400 reviews)

2.0K

students

10 hours

content

May 2017

updated

$219.99

Electronics in Biomedical Engineering: Theory & Repair

Electronics Zone

Electronics in Biomedical Engineering: Theory & Repair

Electronics in Biomedical Engineering: Theory & Repair

(4.60 with 327 reviews)

1.8K

students

23 hours

content

Jun 2025

updated

$14.99

Laptop Repair : Bring Your Laptop Back to Life & Speed It Up

Laptop Repair : Bring Your Laptop Back to Life & Speed It Up

Laptop Repair : Bring Your Laptop Back to Life & Speed It Up

(4.41 with 164 reviews)

1.6K

students

2.2 hours

content

Sep 2025

updated

$14.99

Laptop Repairs Using Schematics Diagrams

Chaz Sserunjoji

Laptop Repairs Using Schematics Diagrams

Laptop Repairs Using Schematics Diagrams

(4.37 with 184 reviews)

914

students

3.3 hours

content

Sep 2024

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

Learn Biomedical Maintenance Troubleshooting Art

Learn Biomedical Maintenance Troubleshooting Art

Learn Biomedical Maintenance Troubleshooting Art

(4.08 with 64 reviews)

680

students

34 minutes

content

Dec 2024

updated

FREE

Cell Phone Motherboard Repair course for beginners - mobile

ISMAIL OULBAIAD

Cell Phone Motherboard Repair course for beginners - mobile

Cell Phone Motherboard Repair course for beginners - mobile

(3.98 with 103 reviews)

446

students

1.3 hours

content

Feb 2022

updated

$14.99

Aprende a reparar TV LCD - La Fuente Stand By

Aprende a reparar TV LCD - La Fuente Stand By

Aprende a reparar TV LCD - La Fuente Stand By

(4.52 with 132 reviews)

391

students

5.4 hours

content

Apr 2018

updated

$14.99

How To Troubleshoot & Repair Failed Laptop, Practical Course

ISMAIL OULBAIAD

How To Troubleshoot & Repair Failed Laptop, Practical Course

How To Troubleshoot & Repair Failed Laptop, Practical Course

(4.15 with 53 reviews)

386

students

1.3 hours

content

Mar 2023

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

Learn Laptop repairing component level

Madhusoodanan MK

Learn Laptop repairing component level

Learn Laptop repairing component level

(3.78 with 36 reviews)

191

students

1.0 hour

content

Aug 2020

updated

$14.99

Mini Course - iPhone Face ID Repair Course

Mini Course - iPhone Face ID Repair Course

Mini Course - iPhone Face ID Repair Course

(4.50 with 12 reviews)

57

students

1.2 hours

content

Jan 2022

updated

$19.99

أحترف صيانة الطابعات والات نسخ المستندات

رامي حداد

أحترف صيانة الطابعات والات نسخ المستندات

أحترف صيانة الطابعات والات نسخ المستندات

(3.38 with 4 reviews)

9

students

32 hours

content

Jul 2021

updated

$219.99

Soporte Técnico PC´s (CompTIA A+)

Cesar Augusto Quis

Soporte Técnico PC´s (CompTIA A+)

Soporte Técnico PC´s (CompTIA A+)

3

students

42 hours

content

Jan 2025

updated

$54.99

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