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This question already has an answer here:

My computer is very slow. All the programs and Windows itself is slow. But strangely, all the games run without lag. They are not affected somehow.

I just reinstalled my computer for the 6th time this year, and it is not getting any better. It is always lagging. All the parts are new, bought around November 2013.

These are my specs:

  • CPU: Intel Core i5-3350P at 3.10 GHz
  • GPU: AMD Radeon HD7770
  • HDD: Toshiba 2TB, 7200 RPM
  • RAM: 4GB Kingston, DDR3 at 1333 MHz
  • Motherboard: Gigabyte Z77-HD3
  • Audio: M-Audio Firewire 410 (external audio card)

I am using this computer for recording music.


OTL reports

I read it can be usefull, so I ran the program and here they are:


One more thing! My computer can't sleep! When I hit the sleep button in Windows, it either restarts or sleeps, but then I cannot wake up the monitor.

If someone could tell me why my computer is so slow, I would be very grateful!

marked as duplicate by DavidPostill, fixer1234, mdpc, galacticninja, Jakuje Jul 31 '16 at 17:39

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • For the record, he has Windows 7 Ultimate with SP1 (6.1.7601). – Samir Sep 11 '14 at 21:37
  • Hitachi what? What motherboard? What speed are the RAM sticks? – Samir Sep 11 '14 at 21:38
  • Motherboard: Gigabyte Z77-HD3.Ram is DDR3 at 1333MHz.Harddrive is 7200RPM but I don't know the exact model. The harddrive cost me around 170BGN(110$) – MinasTirith Sep 11 '14 at 21:40
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    Can you elaborate more exactly whoe you mean by "slow"? How does it feel slow for you? – ap0 Sep 11 '14 at 21:42
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    follow this and give me the crated file and try to trace the slowness: pastebin.com/at7DyJxm – magicandre1981 Sep 19 '14 at 16:28
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As explained in this other answer:

These symptoms sound like a CPU throttling issue that I had. When my laptop overheated, the CPU would reduce its speed (throttle back) to reduce heat output... as a result my CPU % appeared to be low at around 15%, but in fact the CPU had cycled back to 16% of its max and so it was in fact running flat out.

You can diagnose this by using Resource Monitor instead of Task Manager. (Type "resmon" into the Start-Run prompt.) At the top of the CPU tab processes window there is a useful "Maximum frequency" which will reduce as the CPU throttles back.

If this is the problem then you can look at causes of the throttling. You can use free tools like Speedfan to monitor temperature and check on your fans.

In my case there was a definite correlation between throttling and temperature. My laptop was a Dell E6400 and I used a fan assisted cooling tray to assist with the overheating, and I also hit a known issue with this laptop model - see http://www.xtremesystems.org/forums/showthread.php?240717-Dell-Latitude-E6500-E6400-ThrottleGate-Fix

  1. Run Windows Memory Test: Start->Control Panel->type "memory"->Diagnose your computer's memory problems. That will run the Windows memory diagnostic and it's a good place to start.

  2. Run Command Prompt as administrator and then type "chkdsk /r" and hit enter. Follow instructions. That will check the integrity of your install.

If you had extra RAM lying around you could easily switch that out and see if it helped. It's possible that your video card is maybe acting up but that's just me trying to think of all the conceivable issues.

  • Thank you very much, running the tool chkdsk made my laptop very fast again! – trinity420 Jul 29 '18 at 22:18

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