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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

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

Complete Linux Troubleshooting Course (Practical Examples)

Complete Linux Troubleshooting Course (Practical Examples)

Complete Linux Troubleshooting Course (Practical Examples)

(4.68 with 2.1K reviews)

18.4K

students

17 hours

content

Sep 2024

updated

$14.99

ComputerCavalry: Slow Computer Repair and PC Maintenance

ComputerCavalry: Slow Computer Repair and PC Maintenance

ComputerCavalry: Slow Computer Repair and PC Maintenance

(4.08 with 265 reviews)

4.5K

students

2.0 hours

content

Dec 2018

updated

$14.99

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

POTENCIA Y ACELERA TU COMPUTADORA AL MÁXIMO

José Contreras

POTENCIA Y ACELERA TU COMPUTADORA AL MÁXIMO

POTENCIA Y ACELERA TU COMPUTADORA AL MÁXIMO

(4.45 with 88 reviews)

1.7K

students

2.0 hours

content

Feb 2025

updated

FREE

Maintenir et Réparer un Système Informatique de A à Z

Maintenir et Réparer un Système Informatique de A à Z

Maintenir et Réparer un Système Informatique de A à Z

(4.29 with 468 reviews)

1.7K

students

7.0 hours

content

Apr 2022

updated

$19.99

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

(4.44 with 147 reviews)

1.5K

students

2.2 hours

content

Sep 2025

updated

$12.99

Steam Boilers, Steam & Condensate Systems 16hour Masterclass

WR Training Pro

Steam Boilers, Steam & Condensate Systems 16hour Masterclass

Steam Boilers, Steam & Condensate Systems 16hour Masterclass

(4.53 with 157 reviews)

1.0K

students

16 hours

content

Nov 2025

updated

$14.99

Wireshark | Network Traffic Analysis & Packet Capture Course

Wireshark | Network Traffic Analysis & Packet Capture Course

Wireshark | Network Traffic Analysis & Packet Capture Course

(4.29 with 21 reviews)

673

students

5.5 hours

content

Mar 2026

updated

$17.99

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

Installation et configuration de Windows 11

Fabrice Chrzanowsk

Installation et configuration de Windows 11

Installation et configuration de Windows 11

(4.40 with 10 reviews)

295

students

1.2 hours

content

May 2025

updated

FREE

Modern Embedded Architectures for Automotive E/E Systems

Educational Engine

Modern Embedded Architectures for Automotive E/E Systems

Modern Embedded Architectures for Automotive E/E Systems

(4.50 with 5 reviews)

219

students

1.9 hours

content

Feb 2026

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

Laptop Hardware & Repairing || Beginning to Advance In Hindi

Laptop Hardware & Repairing || Beginning to Advance In Hindi

Laptop Hardware & Repairing || Beginning to Advance In Hindi

(4.45 with 43 reviews)

207

students

4.2 hours

content

Apr 2025

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

Nettoyage PC - Désinfection & Sécurisation : Cours complet

Nettoyage PC - Désinfection & Sécurisation : Cours complet

Nettoyage PC - Désinfection & Sécurisation : Cours complet

(4.73 with 11 reviews)

76

students

4.1 hours

content

Jun 2024

updated

$17.99

EDC15 : Codes EGR, compteurs et checksums, WinOLS & Hex

Aleksey Seminozhen

EDC15 : Codes EGR, compteurs et checksums, WinOLS & Hex

EDC15 : Codes EGR, compteurs et checksums, WinOLS & Hex

(1.00 with 1 reviews)

93

students

38 minutes

content

Jan 2026

updated

FREE

Mobile Hardware & Repairing Master Course: in Hindi

Mobile Hardware & Repairing Master Course: in Hindi

Mobile Hardware & Repairing Master Course: in Hindi

(1.00 with 1 reviews)

8

students

55 minutes

content

Feb 2025

updated

$14.99

ASE A1-A9 & Advanced Specialty (2026) Exam Prep

ASE A1-A9 & Advanced Specialty (2026) Exam Prep

ASE A1-A9 & Advanced Specialty (2026) Exam Prep

61

students

N/A

content

May 2026

updated

$14.99

How To Speed Up Your Computer

How To Speed Up Your Computer

How To Speed Up Your Computer

0

students

41 minutes

content

Jul 2020

updated

$34.99

1500 Questions | CompTIA A+ Certification [NEW 2026]

Exams Practice Tes

1500 Questions | CompTIA A+ Certification [NEW 2026]

1500 Questions | CompTIA A+ Certification [NEW 2026]

1.0K

students

N/A

content

Feb 2026

updated

$14.99