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My pc suddenly gone slow and laggy, Help!!! 11/7/2015 [Solved]

every thing was perfect. I had a strong pc that worked perfectly and really fast, i could play games like CS:GO,Starcraft 2 and dota 2 on highest graphics withought a single lag when one day it just got frozen and i restarted it then everything got aweful.
the programs start up for too long, everything is working bad, the games are now all slow and laggy some are kind of slo-mo, the context menu with right click on the desktop loads for like 5 seconds yet strange because i have a good computer.
programs often crash as if there is no more ram for them but i checked the ram and it works just fine in full power. I think it can also be a video card problem.
System Name: DELL
Processor Name: Intel(R) Core(TM) i5-3230M CPU @ 2.60GHz
Memory Installed: 3,953.72 MB
Operating System
Name Value Advanced
Windows Version: Microsoft Windows 8.1 Pro
License Information: Admin
Windows version: ?????????? Windows 8.1 ????????????????


Language: English (United States)
Common Devices
Name Value Advanced
System Name: Inspiron 7720
Processor Name: Intel(R) Core(TM) i5-3230M CPU @ 2.60GHz
BIOS Name: Default System BIOS
Video card Name: NVIDIA GeForce GT 650M
Video card Name: Intel(R) HD Graphics 4000
Installed Memory: 4.00 GB
Installed Programs
Name Value Advanced
Number of Installed Programs: 70
Number of Running Processes: 86
Internet Explorer Version: 11.0.9600.17031
DirectX Version: DirectX 11
.NET Framework Version: 4.0
MS Office Version: 15.0.4420.1017
CPU Properties
Name Value Advanced
Physical Processors: 1
Logical Processors: 4
Name: Intel(R) Core(TM) i5-3230M CPU @ 2.60GHz
Description: Intel64 Family 6 Model 58 Stepping 9
Manufacturer: GenuineIntel
Frequency: 2594 MHz
External Clock Frequency: 100 MHz
Processor ID: BFEBFBFF - 000306A9

I was trying to find this problem in the internet but i didnt seem to find it and im starting to fear this is a Hard disk problem and what might be even much much worse is the Motherboard. im really wonder if it is acctually possible to corrupt the motherboard of the pc just by (quick)restarting it and i really need some help now. please i really need to know if atleast it is or not the problem with the motherboard.
thank you
8 answers Last reply Best Answer
More about suddenly slow laggy
  1. You should try reinstalling windows and drivers
  2. Thanks!i had it in plans but it will be the last thing i hope there are other ways to find the source of the problem.
  3. So did you try a system restore to a few days before your pc crashed its a laptop probably got hot gaming thus rebooted.
  4. Best answer
    hard disk space? some forget and fill thier hard drives up to where they have no room to work with.
    you can check your hard drive health with Hard Disk Sentinel and do a short self test

    Honestly i think you should upgrade to 8 GB of ram.

    you should test your memory- memtest is usually used.

    Update all your drivers or reset your graphics driver to an earlier one; they don't always work well when the new ones first come out.

    virus scan/rootkit scan- viruses do some nasty stuff; many have to do reinstalls of windows because of virus damage.

    a new OS install would fix your issues if its a software issue. It be a nice time to switch over to SSD.

    You can verify your PSU health by buying a cheap PSU tester from like amazon.

    If its the graphics card going bad you can uninstall it and run the onboard graphics; and compare if its having problems. or you can install your card in another system and see if it has the same issues.
  5. What do you mean you checked your ram and it was fine under full power?

    Did you ran memtest more than a few minutes? Do it for at least 6 hours or two passes.

    Did you ran furmark for your gpu? Do it for at least half an hour with everything set on max.
  6. Ok i found solution acctually it was some kind of and error or a bug in the system witch was slowing the pc down and the solution was simple - just Run the Error checking (im a dumass bec i forgot to make this only check). soo yeah... thnx alot for your attention guys, i yet i will continue with cleaning my computer up and reinstalling some drivers but still thanks alot guys and yes i did memtest and as i said it works perfect. Thank you!
  7. UFOsDEN said:
    Ok i found solution acctually it was some kind of and error or a bug in the system witch was slowing the pc down and the solution was simple - just Run the Error checking (im a dumass bec i forgot to make this only check). soo yeah... thnx alot for your attention guys, i yet i will continue with cleaning my computer up and reinstalling some drivers but still thanks alot guys and yes i did memtest and as i said it works perfect. Thank you!


    Hi, I too suddenly have a slow PC, and I'm browsing for solutions. What Error Checking did you do that solved your issue? Thanks!
  8. About 3 days ago, my computer (DELL, XPS 13 9360, x64-based PC, 8 GB Ram, Microsoft Windows 10 Pro, SSD 125 GB, Intel i5-7200U CPU @ 2.50GHz, BIOS Dell Inc. 1.3.2, Date 18/1/2017) suddenly becomes a turtle.

    Follow some instructions I found in the Internet:

    1) Reboot the system several times. (On - Off)
    2) Run McAfee Antivirus.
    3) Find everything install since the day before the problem (Control Panel, Uninstall a Program) and uninstall it.
    McAfee
    Dropbox
    Adobe Acrobat Reader
    Dell Supportassist 1.3.6855.72
    4) Remember every change I made in the systems and restore the original settings:
    Set off all the apps or functions find in Gmail, Configuration, Lab.
    Uninstall Google Chrome and Google Drive.
    5) After each step I reboot the system.
    6) Install back Gmail and Google Chrome (I work with them).

    And… everything is ok again.

    I’ll be glad if this information helps somebody.
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