Computer Randomly Slows Down to a Grinding Halt Then Continues Normal Speed
These symptoms usually come when either the CPU is very very busy and so it causes extreme slowness. To see if your CPU is busy, type Ctrl+Shift+Escape and look at the performance tab.
It could also be that your hard drive is failing, with is likely since you are getting I/O errors. Make sure you have backups of all files you care about,, it's likely that the hard drive will fail entirely very soon. Average lifespan is 5.2 years, but that's the middle-average: half of the drives in the world die younger than 5 years.
Shawn "Cmdr" Keene | Microsoft MVP - Windows Insider | CmdrKeene.com | tweet: @CmdrKeene
Microsoft MVPs are independent experts offering real-world answers. Learn more at mvp.microsoft.com.
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Hi Shawn,
that seemed to be the case, I booted it up this morning and the desktop and toolbar didn't load so now I'm left with a black screen and the "copy not authentic" message in the bottom corner. Thankfully I had already backed up all my files, I'm just disappointed that it happened so randomly since I've never really had a problem with this laptop before; then again I bought it in 2011 so its lifespan fits your description. I guess it's time to buy a new one...thanks for the help though!
- EDIT -
The desktop icons and toolbar seem to be loading now; they're just ridiculously slow (laptop has been on for 70 minutes or so). It's still very likely that the hard drive will fail soon though, so I'm gonna get a new one as soon as I can.
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Hi,
Thank you for the update.
This issue might have occurred due to some third party application conflicts.
Let's try the following methods and check if it helps:
Method 1:
Step 1:
I suggest you to try to boot the computer in safe mode and check, Please refer to the below Microsoft article and check if it helps.
http://windows.microsoft.com/en-us/windows/start-computer-safe-mode#start-computer-safe-mode=windows-7
Step 2:
I suggest you to perform clean boot and check, using this Microsoft Article because may be a third party application is causing this issue.
https://support.microsoft.com/en-us/kb/929135
NOTE:
A clean boot is performed to start Windows by using a minimal set of drivers and startup programs. This helps eliminate software conflicts that occur when you install a program or an update or when you run a program in Windows. You may also troubleshoot or determine what conflict is causing the problem by performing a clean boot. You must log on to the computer as an administrator to be able to perform a clean boot. Your computer may temporarily lose some functionality when you perform a clean boot. When you start the computer normally, the functionality returns. However, you may receive the original error message, or experience the original behavior if the problem still exists. If the computer is connected to a network, network policy settings may prevent you from following these steps.
https://support.microsoft.com/kb/929135
Once you perform clean boot do refer to the section "How to reset the computer to start normally after clean boot troubleshooting" to boot the computer in normal mode.
Method 2:
I would suggest you to perform a SFC Scan and check if it helps.
Refer to the following link given below.
https://support.microsoft.com/en-us/kb/929833
Note: While performing SFC Scan I would recommend you to make sure that there are no applications or programs running on the back ground.
Hope this information helps. Please let us know if you need any other assistance with Windows in future. We will be happy to assist you.
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It would still be a good idea to rule out software causes. I'd try safe mode, and if it works there, the culprit could actually be a virus, malware, or just misbehaving software. You could also try using the Disk Check function to check the drive for errors. But before you proceed with anything, I'd recommend being confident that you have a good backup of what you need. Running scans and using the drive could just wear it out faster, if it is a drive problem.
Shawn "Cmdr" Keene | Microsoft MVP - Windows Insider | CmdrKeene.com | tweet: @CmdrKeene
Microsoft MVPs are independent experts offering real-world answers. Learn more at mvp.microsoft.com.
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Hi, and sorry for the slow update; here's what happened. I've tried safe mode and there the computer is significantly faster, while it's still extremely slow in clean boot. I uninstalled the most recent programs to see if they were conflicting with the system but nothing changed. I've also tried performing an SFC scan, but unfortunately it never went beyond 22% because after about two hours of scanning the pc randomly rebooted itself - twice. This is something that happens quite frequently lately: the pc is taking its time performing a task and suddenly reboots itself, sometimes briefly showing a blue screen with an explanation along the lines of "the system was rebooted to prevent damage, some recently installed program might be causing this". I honestly don't know what else I could try at this point...
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Source: https://answers.microsoft.com/en-us/windows/forum/all/windows-slows-down-and-freezes-randomly/f1cba2d7-1c2a-4673-acb8-929fd018bb8c
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