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Very slow behavior in Personal Computer solved

By on October 8, 2013

The PC with the following features was having a very very slow behavior; in short it was almost impossible to operate:

  • Motherboard INTEL DG35EC.
  • 1GB of RAM memory (DDR2/800MHz).
  • INTEL(R) Pentium(R) Dual CPU E2180 @2.00GHz
  • Two HDDs: SAMSUNG HD161HJ (160GB) and SAMSUNG HD502HJ (500GB)
  • Two optical units: LITE-ON DVDRW LH-18A1P and CD Drive LG 52x.

The Operating System Windows XP Professional SP3 had been already installed and the trouble persisted yet, therefore, the PC was opened by its side and the job began.


From now on, it will be described the different steps (step by step) taken into consideration:

  • The RAM memory (only one module) was cleaned and checked.
  • The Microprocessor was cleaned and checked.
  • The fan and its radiator (it was free of dust) of the Microprocessor were checked too.
  • Both optical units were disconnected from data and voltage.
  • Both Hard Disk Drives were unplugged from data and voltage.
  • The Floppy Disk Drive was unplugged from data and voltage too.
  • The internal DC Power Supply was checked.
  • The Motherboard was inspected, and not any component burst, nor overheated neither anything abnormal.

So far, everything kept the same situation.

At the end the Multi Flash USB Card Reader was unplugged from data and voltage signals, and when the PC was turned on again, what a surprise! The slow behavior had disappeared completely. Here are some photos of this out of order device.


This device was disarmed to find out the cause of the abnormal operation of the PC, and a photo is shown.

computer repair

The pins were put at their original position as you can see from the photo below:

computer repairings

The Device was armed again and not connected into the Motherboard, because it was completely out of order, but never mind, the principal trouble which caused the slow behavior had been detected: a malfunction of the Multi Flash USB Card Reader, which is a very cheap appliance in the market.

At the end of the job the hole which had let the broken device in the front of the PC chassis was covered with a plastic cap to protect all the system.



This article was prepared for you by Mr Humberto Rodriguez from Cuba. Please give a support by clicking  on the social buttons below. Your feedback on the post is welcome. Please leave it in the comments.

By the way if you have any good repair article that you want me to publish in this blog please do contact me HERE.



  1. Br123

    October 10, 2013 at 8:24 pm

    Thanks for sharing Humberto! I will keep an eye out for similar problems.

  2. corriete

    October 12, 2013 at 4:42 am

    really? thanks sir you are doing a fantastic job in helping us.great one

  3. charles

    October 12, 2013 at 12:08 pm

    Thanks mr.humberto for sharing your very kind!

  4. raymundo saura

    October 19, 2013 at 4:59 pm

    great thanks for this i learn a lot thanks and GOD bless

  5. Sebastian Christian

    November 3, 2013 at 5:11 am

    Thanks for sharing Humberto, I bought one of those and found then not to work, so I just threw it out.

  6. mark rauch

    March 26, 2014 at 12:12 am

    Humberto, thank you for your generous sharing of repair. It always looks much easier after seeing your photographs and stories.


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