Hard drive slowed to 1/10000 speed after logging into windows 10 pro

arthurh88
arthurh88 used Ask the Experts™
Suddenly, my PC is unusable.  It boots quick, right to the startup screen, then once I log on, it goes south.   The hard drive will literally stop...completely...and then every 3.5 seconds, it will "Ka-chunk"....as if it just read a few bytes.  

this is what the hard drive sounds like after logging on to windows:
ka-chunk  (one....two....three....)
ka-chunk (one...two...three)

It takes literally 8 seconds for me once I type a single character into the search bar for the character to appear.  This is how slow the computer is.  After about 12 minutes, the icons finally fill my desktop.

safe mode with networking repeats the problem.  but safe mode without networking works great.  but i have no idea how to troubleshoot this :(

Scandisk was fine.  Hard drive works great (boots to windows fast).

Anyone have an idea what might cause this?
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Dr. KlahnPrincipal Software Engineer
Normally I'd say "click of death" but in this case the drive appears to be operating normally when not booted to full Windows.

a) Unplug the Ethernet cable and see if the system boots normally.

b) Without further evidence this is speculation, but it sounds like you have something in your system eating the CPU in kernel mode.  Bring up Task Manager ... if you can ... and see what the CPU loading is.  This may take a good long time if it takes 12 minutes to populate the screen.  CPU loading should be zero or close to that once the system is up and running.

c) If the CPU loading is indeed excessive, then download a copy of Microsoft Autoruns (you'll have to get it on another machine and bring it to the afflicted one by USB stick).  Boot the system to Safe Mode, install Autoruns, and see what is running at boot time.

Let us know what you discover.
NoahHardware Tester and Debugger
Hi there! :)

The fact that you described it as 1/10000 of the original start up speed is pretty slow to say the least.. I believe that there is also the possibility of some serious hard drive issues that caused the hard drive to function so slowly.  You probably need a hard drive diagnostic software as a start. You may refer to the following link for one that I myself personally use. It includes useful tools such as Disk Cleanup and Optimization.

Reference: https://www.easeus.com/partition-manager/epm-free.html
Information Services Manager
Troubleshooting issues like these can be extremely time consuming, frustrating, and in the end you may end up with a less than perfect system.

If your boot is fast but your OS is slow, it’s likely a driver or hardware without the proper driver, or some software or service killing your performance.  If possible and feasible..and it’s not a “server”, I would backup the important stuff using the boot disk/usb of your choice and go with a clean install, install all updates for windows and drivers, and move everything back.  It may be less work overall.
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Top Expert 2013
to me it looks like a disk with bad sectors, so i suggest to run the manyfacturer's disk diag; eg WD lifeguard or seatools
you find the disk model in device manager - disk drives
you find all these on the UBCD :
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!
direct download :  http://www.memtest.org/
 
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/      

**  you can make a bootable cd - or bootable usb stick
*** note *** for SSD drives  use the tool from the manufacturer, like intel 's toolbox :
https://downloadcenter.intel.com/download/18455/Intel-Solid-State-Drive-Toolbox

for completeness -here's how i handle disk problems : http://www.experts-exchange.com/Storage/Hard_Drives/A_3000-The-bad-hard-disk-problem.html

==>>****in order to be able to  boot from CD or usb - you may have to disable secure boot in the bios
John TsioumprisSoftware & Systems Engineer
If you here any metal like sound....then rush out and get 2 HDDs....right now...pull out the drive...install windows (1st drive)...plug back the drive ....copy what ever you can (2nd drive)....
It is so painful to diagnose, I just bought a new computer at Dell being delivered on Friday.  I tried guys, I really did....I just couldn't navigate through the absolute catastrophic muck of OS tedium.  All i know is that it isn't hardware.  I ran a command line NOD32 virus scan in safe mode and it checked fine.  I also ran a sfc /scannow and a chkdisk-r all passed.  

The system is utterly unusable, makes me think I have some kind of very low level trojan or virus.  I am able to copy out all my data from safe mode, and with that, I just bought a new machine :)   Thanks so much for helping
Top Expert 2013
did you run the suggested diags?  the only way to know where the problem lies = testing, and eliminating causes

i also don't understand the selected answer - since it does not offer a specific cause...

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