Professor Messer’s 220-701 and 220-702 CompTIA A+ Training Course

Professor Messer's CompTIA A+ Training Course This is the complete index to our series of 220-701 and 220-702 (2009) CompTIA A+ training course videos. All of our CompTIA A+ training videos are completely free; there’s nothing to buy when you watch all of our videos online.

The 220-701 and 220-702 exams were retired on August 31, 2013.
The videos on this page are no longer current for CompTIA A+ certification exam study.
You should be watching the 220-801 and 220-802 exam videos instead.


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90 Videos – Total Running Time: 22 hours, 31 minutes

Have you downloaded the exam objectives yet? Click here to get them now.

Who is Professor Messer? Are all of these videos really free? Read our frequently asked questions here..

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CompTIA A+ Frequently Asked Questions


CompTIA 220-701 A+ Essentials

Section 1: Hardware









1.0 – Free A+ Training Course Overview (19:55)
1.0 – Introduction to Personal Computers (25:46)


1.1 – Storage Devices (20:33)
1.2 – Motherboard Form Factors (15:22)
1.2 – I/O Interfaces (16:43)
1.2 – Memory Slots (9:19)
1.2 – Processor Sockets (7:39)
1.2 – Bus Architectures and Expansion Slots (20:47)
1.2 – PATA and SATA (15:05)
1.2 – RAID (13:16)
1.2 – Chipsets (10:57)
1.2 – BIOS and CMOS (24:32)
1.3 – Computer Power (21:33)
1.4 – CPU Technologies (15:15)
1.5 – Cooling Systems (12:04)
1.6 – An Overview of Memory (13:32)
1.6 – Identifying Memory Types (19:47)
1.7 – Display Devices (13:20)
1.8 – Input Devices (15:27)
1.9 – Adapter Cards (13:07)
1.10 – Laptop Expansion Devices (9:10)
1.10 – Laptop Communications (9:05)
1.10 – Laptop Power Technologies (9:13)
1.10 – Laptop Input Devices (5:46)
1.11 – Printer Types (14:22)
1.11 – Printer Components, Consumables, and Interfaces (13:54)


Section 2: Troubleshooting, Repair and Maintenance


Section 3: Operating Systems and Software




Section 4: Networking




Section 5: Security


Section 6: Operational Procedures



CompTIA 220-702 Practical Application
Section 1: Hardware





1.1 – Installing and Configuring Storage Devices (12:30)
1.1 – Installing and Configuring Motherboards (14:29)
1.1 – Installing and Configuring Power Supplies (7:10)
1.1 – Installing and Configuring Processors (6:46)
1.1 – Installing and Configuring Memory (9:41)
1.1 – Installing and Configuring Adapter Cards (7:33)
1.1 – Installing and Configuring Cooling Systems (10:50)
1.2 – Troubleshooting Storage Devices (7:42)
1.2 – Troubleshooting Motherboards (11:22)
1.2 – Troubleshooting Power Supplies (9:59)
1.2 – Troubleshooting Processors (8:21)
1.2 – Troubleshooting Memory (8:59)
1.2 – Troubleshooting Adapter Cards (6:21)
1.2 – Troubleshooting Cooling Systems (5:25)
1.3 – Installing and Troubleshooting Laptop Components (10:22)
1.4 – The A+ Toolbag (9:30)
1.5 – Troubleshooting Printer Problems (12:49)


Section 2: Operating Systems




Section 3: Networking




Section 4: Security


Additional Study: Professor Messer’s A+ Study Group

A+ Study Group Replays


Filed Under: CompTIA A+ 220-701CompTIA A+ 220-702

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  • Joel

    I passed both of my A+ exams a couple of weeks ago with ease. Thank you for your videos, found them to be very helpful. I combined an A+ study guide with watching your videos and then used a test simulator for review. That seems to be a winning strategy for me and I plan on doing the same w/ studying for the net+ exam.

    • rachel

      What simulator did you use and how much it cost. Do you have any A+ Exam Cram question and answer book.

  • michael

    i have just passed my 220-701 today and the only study material i used was your videos, thankyou proffesor messer

  • Andy

    I also passed both of my A+ exams with ease. Your videos were an integral part of my study regimen. Thank you for your videos!

  • Daniel

    Professor Messer I will like to thank you for the outstanding help that you gave me in passing the Net+ and A+. You are a great person in providing this training for free. I wish you and your family a great success in life. Looking forward for new training and next book. LL&P

    “The only online training course that goes to “To infinity … and beyond!”

  • john

    just passed my practical application test. Your videos were very helpful. Thank you!

  • john

    just passed my practical application test. Your videos were very helpful. Thank you!

  • http://www.ProfessorMesser.com Professor Messer

    This course includes the requirements from CompTIA’s A+ exam objectives, and I intentionally do not include topics that are outside of that scope.

  • Meraj KHAN

    I am studying compTIA A+. My teacher recommend us your web site. I find it very helpful. Thanks a lot for your effort and hard work.

  • Armando Ruiz

    Honestly we can all agree that Professor Messer is the best thing next to Electricity, Car and our Parents. u00a0We can not live without it, and our lives changed because of these great inputs. u00a0You help us all achieved something that most “Instructors”u00a0couldn’t. u00a0You were on point and I nailed the A+. u00a0Because of you, and dedication. u00a0I’m now A+ Certified. u00a0Thanks a bunch Professor MessernnP.S. Now pursuing the N + Cert, as I hear you talking aboutu00a0nCommon Networking ProtocolsRegards,Armando

    • Jo

      I agree totally! As we say in New Zealand, ‘he is the Bomb!’ (thats a huge compliment by the way, Professor Messer!!)

  • Mehlski

    I was reading the text and not understanding anything, then I signed up to a forum and someone mentioned these video’s. thank God for them, I am actually starting to get it. These are awesome and I am even more thankful that they are free.nnThanks

  • Keith Ried

    Thank you so much Professor Messer.u00a0 I just got home from taking my 701 Essentials test.u00a0 I passed and was overwhelmed with joy.u00a0 I have been out of school for over 20 years and it has taken a lot for me to get my brain to learn again.u00a0 Thank you for your videos and daily pop quizzes..Now its time to start studying for the 702 test.

  • Kemar1014

    passed my A+ last week. both exams. thank to you i no have confidence to open and operate on a computer. I also passed my Windows & exam the week before. i hope to start the security+ soon. Thank much. your the best in explanation and real world applications. I so love your presentations on tools and how to use them.

  • Kemar1014

    passed my A+ last week. both exams. thank to you i no have confidence to open and operate on a computer. I also passed my Windows & exam the week before. i hope to start the security+ soon. Thank much. your the best in explanation and real world applications. I so love your presentations on tools and how to use them.

  • Devans4

    Professor Messer is brilliant, i passed my first A+ exam by watching his videos and using Certblaster, so now i got to pass the next A+ exam and i will be Comptia A+ qualified, all thanks to Professor Messer three cheers for Professor Messer

  • http://www.facebook.com/people/Marc-Julian-Jackson/1477310986 Marc Julian Jackson

    Professor Messor is the greatest. I am attending ITT-Tech and one of my classes is Intro. to Personal Computers. Let me just say thank you professor. Without your videos, I would have gotten a bad grade on my exam, but thanks to you I was able to score a 84(B) on my test. Also thank you for taking the time out to web conference with me and walk me step by step on how to correctly deal with that buggy Windows2000 problem. You really have a gift of explaining things in simple terms.

  • Chandlercaleb

    You are so awesome man

  • keith504

    Plan on taking the A+ certification this summer, so needless to say that I received  many recommendations to this website. you must be doing a good job!

  • http://www.facebook.com/people/Legrand-Davis/100001137698056 Legrand Davis

     professor you are great, I’m from a little country called Mauritius very far away and I’m studying A+. I found you course very helpful and I think I’m one person who discovered your website in mauritus.

  • Ronildogm

    I just passed the 701 couple of days ago. After watch all your videos I had a better understanding of all the detais in every topic. Thank you for your dedicated work!!!!!

  • http://www.facebook.com/Hassan20110 Hassan Mohamud

    I am pleased to say, I have passed the 701 the other week and the 702 yesterday with scores of 770 and 900 severally, and I just want to say a million thanks to you “Professor Messer.” Your video training did help a lot (More than you can achieve in colleges) on top the A+ Group Study as well. I also read the Exam Cram Pearson’s book just to focus the exam Q&As for a few days before the exam. And now I am off to Network+. It was a really excellent piece of training package, and You were very helpful with everything. Professor Messer- thanks a million!

  • http://twitter.com/Legendary_Toast Jason

    Just passed the practical applications. There’s just too much to read with text books and I’m glad I found this site at the last moment. Watched every video in the practical applications and it helped me a lot. Questions coming up on the test were so familiar, and it’s all thanks to this amazing site and Professor Messer. Thanks Professor!

  • http://www.facebook.com/gates78 Said Maroc

    thank you so much Professor
    I keep sharing your website all day in Lehman college NY. everybody loves you

  • Guest

    Thanks Professor Messer. I am already a computer technician and your videos are all that is needed to PASS the exam. I passed. You made it look so easy. I was not sure if I wanted to pass the Network+ and Security but I now have the felling that I cannot go wrong if I stick with your videos. Thanks again for your great Job !!! :D

  • http://www.facebook.com/fidohou Franck Idohou

    Thanks Professor Messer. I am already a computer technician and your videos are all that is needed to PASS the exam. I passed. You made it look so easy. I was not sure if I wanted to pass the Network+ and Security but I now have the felling that I cannot go wrong if I stick with your videos. Thanks again for your great Job !!! :D

  • Rob L.

    Just passed both the 701 and 702!! Thank you Prof Messer for all of your FREE study videos, as they were a huge complementary to my reading. Your website was recommended to me, and I will certainly recommend it to others! God bless!

  • http://www.facebook.com/brian.givens.54 Brian Givens

    I have to agree with the sentiment of all the others, Professor. I will never be able to thank you enough for the hard work you’ve done to help all of us future IT people. I faithfully used your videos to supplement my classroom “instruction”. I was the only one who used your site, and scored the highest grade (758) of all the people in my class (including an IT guy who has been in the field for a long time) on the 701 test. I take the 702 exam in 3 days, and hope to continue my A+ domination. Thanks again, Brian From Shelbyville, Ky

  • Milan

    I love this site.tnx professor.

  • Chaim

    Yes I passed my 701 exam and I’m going on to 702

  • http://www.facebook.com/ryan.fiorentino.3 Ryan Fiorentino

    Dear prof Messer, thanks to your videos i manage to pass the a+ today ,so i here by thank you for your time and effort into doing these videos,

    Regards Ryan

    network+ here we gooooo!!!

  • http://www.facebook.com/MilliAnony Milli Makaveli

    Professor Messer i just wanna say THANK YOU!!!! for your free tutorials and helped me to passed both A+ !!!

  • Enrique Reyes

    I just want to said thank you professor,I pass my first exam for A+ certification yesterday, your videos are very helpful and I think in 2 or 3 more weeks I will doing the second one, Thank You again, you are the best!!

  • Mohamad

    Professor Messer, just wrote my A+ exam yesterday and I Passed it. Thank you from the bottom of my heart. Without your mentoring and helpful videos, would’ve never got there. Will keep following your videos and refer friends to your site.
    Thank You!

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