Occasional PC freeze

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  1. Posts : 227
    Win 10 Pro 21H2 (OS Build 19044.1766)

    Occasional PC freeze

    In the past 2 days my PC has frozen a couple of times each day.

    Brief system spec.:
    • Windows 10 Pro V.1909 (Build 18363.900). Reverted from 2004 10 days ago, suspected Macrium Reflect problem (not the case)
    • AV: Kaspersky Free
    • Motherboard: Gigabyte P55-USB3 (Socket 1156)
    • RAM: 8GB Corsair Vengeance Ram
    • CPU: Intel i5 760 2.80GHz
    • Graphice: NVIDIA GeForce GT 430
    • C: drive - Samsung SSD 850 PRO 512GB ATA
    • D: drive - Western Digital 2TB black
    • E: drive - (USB) Western Digital 2TB My Passport

    • Some 20 minutes after booting it froze. Mouse LED went out, screen stayed showing whatever it had been. No keyboard response (forgot to see if keyboard lights were on).
    • Restarted. After 10 minutes or so the same again.
    • Restarted. No problems for the several hours it was on. I kept Speccy running to keep an eye on various temperatures, nothing out of the ordinary.


    • Some 8-10 minutes after booting it froze. Same signs & symptoms as yesterday.
    • Restarted. Part way through booting, may have still been in BIOS it stopped and restarted.
    • No problems in the >6 hours since.

    Speccy continues to show no unusual temperatures.

    Running Crystal Disk Info appears to be all ok
    Occasional PC freeze-crystaldiskinfo_20200621142927.pngOccasional PC freeze-crystaldiskinfo_20200621142942.pngOccasional PC freeze-crystaldiskinfo_20200621142951.png

    Crystal Disk Mark also show no problems for the D: drive
    CrystalDiskMark 7.0.0 x64 (C) 2007-2019 hiyohiyo
    Crystal Dew World: Crystal Dew World
    * MB/s = 1,000,000 bytes/s [SATA/600 = 600,000,000 bytes/s]
    * KB = 1000 bytes, KiB = 1024 bytes
    Sequential 1MiB (Q= 8, T= 1): 174.927 MB/s [ 166.8 IOPS] < 47698.76 us>
    Sequential 1MiB (Q= 1, T= 1): 171.960 MB/s [ 164.0 IOPS] < 6094.14 us>
    Random 4KiB (Q= 32, T=16): 0.876 MB/s [ 213.9 IOPS] <644905.04 us>
    Random 4KiB (Q= 1, T= 1): 0.747 MB/s [ 182.4 IOPS] < 5464.75 us>

    Sequential 1MiB (Q= 8, T= 1): 169.451 MB/s [ 161.6 IOPS] < 49138.10 us>
    Sequential 1MiB (Q= 1, T= 1): 169.462 MB/s [ 161.6 IOPS] < 6180.67 us>
    Random 4KiB (Q= 32, T=16): 2.166 MB/s [ 528.8 IOPS] <399412.65 us>
    Random 4KiB (Q= 1, T= 1): 2.153 MB/s [ 525.6 IOPS] < 1899.61 us>

    Profile: Default
    Test: 1 GiB (x5) [Interval: 5 sec] <DefaultAffinity=DISABLED>
    Date: 2020/06/21 14:29:59 OS: Windows 10 Professional [10.0 Build 18363] (x64)
    Nothing showing in the Event Log apart from during restart a message that the system had closed down unexpectedly, no other information.

    One other thing I noticed when digging around I ran msinfo32. It showed
    Installed Physical Memory (RAM) 8.00 GBTotal Physical Memory 3.99 GB

    Wondering if this suggested a RAM issue I rebooted into BIOS setup to see if there was anything odd. All looked ok so exited without saving any inadvertent changes. On restarting the Total Physical Memory is showing 7.99GB. While the Available Physical Memory will fluctuate depending on system activity, I wouldn't have expected the Total Physical Memory to be anything other than 8GB (near enough).
    It occurs to me that seeing that on both days the freezes occurred soon after the morning boot whether there's some system activity that is causing the problem.

    I'm not sure where to look further. Any ideas?
      My Computers

  2. Posts : 1,564
    11, 10, 8.1 and 7 all Professional versions, and Linux Mint

    The first suspect, although you may find it hard to believe is
    AV: Kaspersky Free
    open the gui of Kaspersky close it down
    uninstall it, using settings and apps
    as here BUT DO NOT use control panel use Settings - apps - scroll down on main pane to Kaspersky and uninstall
    ensuring you select to uninstall ALL as on the link
    shut down the computer completely
    Step 1: Open Start menu, select Power button.

    Step 2: Press and hold the Shift key on keyboard, while clicking on Shut down, and then release the Shift key to perform a full shutdown.

    Power on again and check in settings - update and security -windows security on left pane and then on main window that all checks are ticked green for entries as shown on screenshot.

    Then check that crashes have stopped.
    NOTE PLEASE if I am correct there is more work to do, regarding Kaspersky and we will deal with that when you respond
    Attached Thumbnails Attached Thumbnails Occasional PC freeze-untitled.png  
      My Computer

  3. Posts : 227
    Win 10 Pro 21H2 (OS Build 19044.1766)
    Thread Starter

    Thanks for that. I had tentatively wondered about the AV as it seemed to be a soon after boot event.

    I'll follow it up tomorrow and see what happens. Windows Defender will take on the AV role for the time being.

    I'll also be curious to see if I get any freezes tomorrow.

    A quick question. I use Classic Start menu so don't have the Power button you refer to, the Start menu has Shut Down which is what I normally use. Is that equivalent to your method?
      My Computers

  4. Posts : 1,564
    11, 10, 8.1 and 7 all Professional versions, and Linux Mint

    Shutdown on 10 using that is not a full shutdown
    When I said power button I apologise for confusing you right click microsoft flag left of taskbar
    hold mouse on shutdown and proceed from there
    as per screenshot
    or wherever your shutdown is on classic start.
    RESTART is also shut down
    whereas confusing as it seems - shutdown is windows sleep mode, or at least it is by default

    As an aside - nice part of the country Cheshire - live in Wales now, but very familiar with Cheshire.
    especially Knutsford, Plumley, Bostock and that general part of Cheshire
    Attached Thumbnails Attached Thumbnails Occasional PC freeze-using-shift-key-1-.png  
      My Computer

  5. Posts : 227
    Win 10 Pro 21H2 (OS Build 19044.1766)
    Thread Starter

    I think... my Shut Down option is the same as you're talking about. These are my settings and what I see from Start menu for the Shut Down option...
    Occasional PC freeze-screenshot-28-.png

    I co-lead a walking group and we're often in central Cheshire, Plumley, Nantwich, Budworth, etc. But we're in eastern Cheshire so also have the Peak District very near, we have a great variety of walks available

    - - - Updated - - -

    Sorry, excessively cropped my screen grab for the Power settings, here's the whole window

    Occasional PC freeze-screenshot-29-.png
      My Computers

  6. Posts : 1,564
    11, 10, 8.1 and 7 all Professional versions, and Linux Mint

    Just click restart, as I said that is full shutdown.
    Gritstone - Cage to Rushton Spencer - three times
    RS to Cage about 3 I think
    Also full Cheshire Ring - on foot -6 days
    Middlewich to LLangollen (appreciate slightly out of County)
    and more miles than I care to think of in the Derbyshire peaks - Kinder Bleaklow area
    plus most of the cheshire to derbyshire and manchester canals on foot after my bad knees forced me off the peaks.
    OK going up, no good coming down.
      My Computer

  7. Posts : 227
    Win 10 Pro 21H2 (OS Build 19044.1766)
    Thread Starter

    Thanks for all the things to progress, I won't be able to follow this up for a few days - though PC has been a good boy today! - as I have some walks to do in the next few days

    Have also done Kinder, Bleaklow - with its aircraft wrecks, etc. Fabulous countryside.
      My Computers

  8. Posts : 1,564
    11, 10, 8.1 and 7 all Professional versions, and Linux Mint

    Good luck with it
      My Computer

  9. Posts : 1,169
    win10 home

    Does Reliability History give any information regarding the freeze events?
    In the search box,bottom left,type in ---dxdiag---and check to see if you are using DirectX 12,on the System page.I think the gt430 might only support DirectX 11,but the maker's site should tell you.
    Also go to the Display page and note all the driver information,then check for a possible update.
    Freezing is often caused by the display adapter and can be found in Device manager,normally flagged if it is the cause.
    The gt 430 may be getting a bit long in the tooth,from around 2005 or thereabouts.
    If you need to uninstall the present driver,then Display Driver Uninstaller,[DDU],used in Safe Mode,is a good choice.
      My Computer

  10. Posts : 227
    Win 10 Pro 21H2 (OS Build 19044.1766)
    Thread Starter

    Although no chance at the moment to progress the various suggestions in depth a couple of quick points.

    dxdiag shows using DirectX 12 (the PC hasn't had any hardware changes for a few years). The GT430 was introduced in October 2010 (PC was built March 2011) and, according to NVIDIA GeForce GT 430 Specs | TechPowerUp GPU Database "the card supports DirectX 12. Even though it supports DirectX 12, the feature level is only 11_0, which can be problematic with newer DirectX 12 titles".

    Not sure of the implications of the latter comment as far as freezing BIOS is concerned, I'd have though it referred to some newer apps/games/etc.

    Reliability history only shows that "the previous shut down was unexpected". So nothing logged.

    Perhaps more significantly, as well as a freeze 10-30 minutes into initial use, I've had some freezes during BIOS, e.g. after displaying memory and before drives; after drives just as starting to load OS.

    This morning, once it got going after the initial freezes of the day, it's been fine now for 3 hours.

    Smells hardware but what?

    A further thought. Could a dying CMOS battery cause this sort of problem?
    Last edited by tpriest; 24 Jun 2020 at 04:20.
      My Computers


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