Slow pace of my operation system - Microsoft Community

good morning everyone,

my notebook windows 8.1 operational system , has such powerful configurations. but, since few months ago, losing performance without using neither half of potential. evidences displayed my pc taking long for shutting down , switching on. i have scanned with avast antivirus many times and no virus existence has been come up. should do in order recover pc original features?    

hi,

i suggest read comments about avast @ google.

https://www.google.com.au/#q=avast+slowing+windows+8.1+down

microsoft built windows defender 8.1 os default anti-virus , there many reports using it, including myself.

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see if assists improve performance.

scan malware free version of program.

and not accept "pay version" trial option during installation

download, install, update , scan system free version of malwarebytes antimalware::

http://www.malwarebytes.org/products/malwarebytes_free

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you can clean hard drive using these 2 methods.

"delete files using disk cleanup"

http://windows.microsoft.com/en-us/windows/delete-files-using-disk-cleanup#delete-files-using-disk-cleanup=windows-8

using free ccleaner program:

http://www.piriform.com/ccleaner

under no condition use registry cleaning option in ccleaner

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make sure have latest updated drivers:

go computer or hardware manufacture's website > driver , software support section > computer or hardware model number > operating system > locate correct drivers > download , install them.

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"how optimize performance of windows 8 , 8.1"

http://www.eightforums.com/tutorials/37511-optimize-performance-windows-8-a.html

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this worthwhile reading too:

"how optimize windows 8.1 desktop pc"

http://www.howtogeek.com/167013/how-to-optimize-windows-8.1-for-a-desktop-pc/

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"performance & maintenance"

http://windows.microsoft.com/en-us/windows/performance-maintenance-help#performance-maintenance-help=windows-8&v1h=win8tab1&v2h=win7tab1&v3h=winvistatab1

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and check see if there corrupted system files.

each method/step below progresses next if first not fix corrupted files found, etc.

"use system file checker tool repair missing or corrupted system files"

https://support.microsoft.com/en-us/kb/929833

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and these eightforums.com tutorials very detailed for problems resulting sfc scan:

"how run "sfc /scannow" command @ boot or in windows 8 , 8.1"

http://www.eightforums.com/tutorials/3047-sfc-scannow-command-run-windows-8-a.html

read section there in conjunction rest of information give in above link.

   note

if sfc not fix something, run command again see if may able next time. may take running sfc /scannow command 3 times restarting pc after each time fix it's able to.

if not, run dism /online /cleanup-image /restorehealth command repair component store corruption, restart pc afterwards, , try sfc /scannow command again.

if still not, try using option one above run sfc /scannow command @ boot

if still not, refresh of windows 8, or run system restore using restore point dated before bad file occured fix it. may need repeat doing system restore until find older restore point may work.

if still not, can use steps in tip box in option three section to manually replace files sfc not fix.

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"how refresh windows 8 , windows 8.1"

http://www.eightforums.com/tutorials/2293-refresh-windows-8-a.html

refreshing pc goes this:

• the pc boots windows re (recovery environment).
• windows re scans hard drive data, settings, , apps, , puts them aside (on same drive).
• windows re installs fresh copy of windows.
• windows re restores data, settings, , apps has set aside newly installed copy of windows.
• the pc restarts newly installed copy of windows.

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"how reset windows 8 , windows 8.1"

http://www.eightforums.com/tutorials/2302-reset-windows-8-a.html

"when reset pc, drive reset, , apps , files removed it. windows 8 reinstalled, , you'll need change settings , reinstall apps want after resetting. if know if files don't want lose, should files before starting reset"

cheers.

Windows / Windows 8.1 / Performance & system failures