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windows 7 work slowly

hello experts
my windows 7 workstation works slowly.
i have installed a new OS a few month ago. there are no any important errors in event viewer,  my hardware is  
CPU   Intel Core i3-2130 3.4 GHz
RAM   4Gb
system type   64-bit operating system
in Windows Task Manager Performance tab I have 0-3% CPU load and 2Gb Ram load, but pc works slow.
please advice what can i do ?
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ameriaadmin
Asked:
ameriaadmin
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4 Solutions
 
Frosty555Commented:
What hard drive do you have?

What programs are running on your system at startup (e.g. your antivirus)?
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web_trackerCommented:
If you are not using much system resources such as cpu and memory, and yet your system is still running slowly then it may be a hardware issue that is causing your system to run slow. Delay writes to the hard drive as what happens sometime when the hard drive is starting to fail can cause this problem. Also if you have too much dust in the case of your computer may cause the computer to run hotter than usual, and to prevent the system from over heating the cpu will run at a lower speed. Use a can of air to blow out the dust to see if that makes any differnece.  I would run diagnostics on your computer uses a selfboot disc such as the Ultimate boot disc, you can use that disc to test the hard drive and the memory . Or you can run an self booting disc and run a program called Eurosoft that runs diagnosis on all the hard ware, such as the cpu, memory, harddrive, motherboard, video card etc. If this is a major manufacturer type of computer such as Dell the computer may have a hardware diagnostics tools built into the computer.
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web_trackerCommented:
I would run ccleaner, and with this tool you can do a number of things such as clean temp files, clean the registry, turn off startup items that run in the background, etc, it is a free program that you can download. I would run a windows defrag to see how fragmented the files are. The more fragmented the files are the slower the computer will run.
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ameriaadminAuthor Commented:
at start up  i have run  Symantec Endpoint Protection
on HDD Resource Monitor show up to 10% usage I/O
i will try to do diagnostic testes. thanks.
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nobusCommented:
run msconfig - select startup tab, click disable all
reboot and test; if still slow, run msconfig and select services tab, click "Hide MS services" and click disable all
reboot again to test

i suggest the UBCD  for running diags

Hardware diagnostic CD    UBCD

go to the download page, scroll down to the mirror section, and  click on a mirror to start the download
Download the UBCD and make the cd   <<==on a WORKING PC, and boot the problem PC from it
Here 2 links, one to the general site, and a direct link to the download

since the downloaded file is an ISO file, eg ubcd527.iso - so you need to use an ISO burning tool
if you don't have that software, install cdburnerXP : http://cdburnerxp.se/

If you want also the Ram tested - run memtest86+ at least 1 full pass,  - you should have NO errors!
 
For disk Diagnostics run the disk diag for your disk brand (eg seagate diag for seagate drive)  from the HDD section -  long or advanced diag !  (runs at least for30 minutes)

http://www.ultimatebootcd.com/                        ultimate boot cd
http://www.ultimatebootcd.com/download.html             download page
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Pramod UbheCommented:
there are four ways for you to go -

CPU
RAM
Disk
Network

out of which you already checked CPU and RAM. Also check for disk I/O or any network connections. Other than this local firewall or antivirus might be a culprit (you might want to disable them for some time and check the performance.)
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jcimarronCommented:
The following was written some time ago, so please forgive any duplication of suggestions already made.


1) Have you scanned the PC for viruses, spyware, etc.?  (Be sure to use programs with updated reference definition files.)  Delete whatever these programs recommend.  And if you did find such malware, you should also probably install and run MalwareBytes.  It may find bits and pieces which were left behind
http://www.malwarebytes.org/products/malwarebytes_free
2) Disk Cleanup. There are several ways to reach it. One is Start|All Programs|Accessories|System Tools|DiskCleanUp. That will start a scan of the PC to tell you what files might be deleted or compressed. (The scan takes a while.)  I would certainly delete Temporary Internet Files, Temp files, Downloaded Program Files. See http://support.microsoft.com/kb/310312 for details.
3) Then I would run ErrorChecking. ( Start|Computer|right click on C:\ drive icon (assuming that is your hard drive)|Tools|Error Checking. Check the box "Automatically fix file system errors". Click Start (within the error checking window). You will be told to reboot. Do so. Error checking will then run as part of the reboot. It can take a while.
4) Start|Run|type MSCONFIG|OK|Startup tab.  Windows actually needs very few thirdparty programs (the ones you see in msconfig) to run at start. Antivirus, Firewall, Antispyware, programs associated with wireless connections such as mouse, network, etc. would be among the few.  Uncheck the box to the left of any program you feel you do not need at startup.  Click Apply.  This site will help you make decisions what you do and do not need
http://www.pacs-portal.co.uk/startup_search.php
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ameriaadminAuthor Commented:
i have replaced the video card and all is ok now.
thank you all for your response.
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jcimarronCommented:
ameriaadmin--Glad to have helped.
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