PC Display & Sleep Wake Problems

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  1. Posts : 22
    Windows 10 64-bit
       #1

    PC Display & Sleep Wake Problems


    Hi,

    I have an HP EliteDesk 800 G3 tower model Y1B39AV that I bought in 2017. I'm running Windows 10 Professional 64 bit 10.0.19045.3086 and boot from a SanDisk 256 GB SSD. The CPU is an Intel Core i5-6500 3.20 GHZ with 16 GB of DDR4-2400 RAM.

    Recently it started behaving strangely in two ways. Last week I woke my sleeping PC and saw that the display was behaving bizarrely. It was continuously cycling through a pattern where on the left and right sides of the display it looked like vertical blinds were opening and closing revealing the portion of the desktop from the other side. It took 4 to 7 seconds per cycle. It's impossible to describe adequately but you can see photos here: Dropbox - Toms Hardware - Simplify your life. Halfway through I clicked on the desktop so the image changed from the login screen to my desktop. I hide my task bar so not seeing that is normal. When the desktop appeared the pointer moved as it should and the task bar popped up but clicking had no effect on anything. I finally rebooted by tapping the power switch. This problem is not 100% new. Since sometime last year I've occasionally seen the same effect. It looked like this but it only persisted for a fraction of a cycle and then didn't recur for several days to a week.

    Additionally I've seen an occasional problem where when I wake from sleep there's a long delay before the display changes at all. I see the blank screen, then HP Sure Start, then an OS boot selection screen, then a blank screen again, then the login screen, then the unresponsive desktop with the background only, then the regular desktop unresponsive, and finally the desktop becomes responsive. The whole thing can take 5 to 10 min. with long wait times between each step. This has happened maybe 5 times in as many months.

    In Oct 2022 I replaced the PSU with an HP replacement to try and fix a different problem: at boot time the screen would black and not come on until the login screen displayed. Sometimes it would start working part way through the boot process and occasionally the screen would never come on. I would have liked to upgrade the PSU so I could buy a more powerful display card but the only one that will fit is the HP-unique 250 W PSU. After replacing the PSU the problem stopped.

    Two months ago I replaced my old display card with a GeForce GTX 1050 Ti (best I could find that would work with the 250 W PSU) because I wanted to speed up my DxO PhotoLab raw processing. I got a huge 22x speed increase and was very happy with the result. Other than that there have been no recent hardware or software changes.

    I looked at the System Log and didn't see anything red or see anything that caught my attention but I have no idea what I should be looking for. I entered the UEFI and ran the long versions of the system test, memory test, and drive test for C: that took over 6 hrs. total time. I ran CrystalDiskInfo for the C: drive which looked fine, but I'm not familiar with the screen so I've copied the screenshot into the DropBox folder I linked to above for the other images. I scanned for malware with ESET and found no problems.

    I've exhausted my ideas for fixing these problems and don't know what else to try. I'm concerned things could go downhill from here which worries me because this is my main PC and I need it to work reliably.

    Any help would be appreciated.

    Thanks,
    Mike
      My Computer


  2. Posts : 1,628
    win10 home
       #2

    If your Power Supply Unit,[ PSU ] is as given,250w,then you are indeed fortunate anything functions.
    The specification for your model is 500w.
      My Computer


  3. Posts : 22
    Windows 10 64-bit
    Thread Starter
       #3

    This model normally came with a 250 W PSU and a 500 W PSU & chassis was optionally available. Regrettably I have the 250 W model.
      My Computer


  4. Posts : 41,704
    windows 10 professional version 1607 build 14393.969 64 bit
       #4

    Please run the V2 log collector and post a share link into this thread using one drive, drop box, or google drive.

    BSOD - Posting Instructions
      My Computer


  5. Posts : 22
    Windows 10 64-bit
    Thread Starter
       #5

    Hi,

    I ran the V2 log collector and placed the results in Dropbox - Toms Hardware - Simplify your life which also contains the photos I provided in my original post.

    Mike
      My Computer


  6. Posts : 41,704
    windows 10 professional version 1607 build 14393.969 64 bit
       #6

    1) Please run Tuneup plus and post a share link into this thread using one drive, drop box, or google drive

    https://www.tenforums.com/attachment...p_plus_log.bat



    2) Open administrative command prompt and copy and paste

    msdt.exe -id DeviceDiagnostic

    If available click view detailed information >post images or share links into this thread using one drive, drop box, or google drive




    3) The BIOS: Version/Date HP P01 Ver. 02.15, 1/30/2018

    (approximately 17 missed BIOS upgrades)

    Upgrade the BIOS: 2.15 > 2.46

    https://support.hp.com/us-en/drivers...-1?sku=Y1B39AV




    4) Upgrade each

    HP UEFI hardware diagnostics 7.2.2.0 > 9.1.0.0

    HP Window hardware diagnostics 1.5.7.0 > 2.2.0.0




    https://support.hp.com/us-en/help/hp...re-diagnostics



    Plan to run the HP UEFI hardware diagnostics overnight while sleeping.

    5) Power on the computer > repetitively click F2 or F10 > run the HP UEFI hardware diagnostics > system > extensive > loop until error > the next day if it has made two or more loops > click esc > take pictures > post images or share links into this thread using one drive, drop box, or google drive




    Code:
    - Enhancement ability to update Intel Management Engine firmware.
    - Enhancement to address security vulnerabilities CVE-2022-3602, CVE-2022-3786.
    - Enhancement to address security vulnerabilities CVE-2022-33894, CVE-2022-38087
    - Updates the Intel silicon MCU for compatibility enhancement
    
    - Includes the following firmware:
    Intel Management Engine Corporate v11.8.70.3626
    Super IO F/W 6.2.29
    Intel VBIOS 9.0.1051
    Intel GOP 9.0.1056
    USB Type-C PD Firmware 6.4.0

    Code:
     Version: 02.45 Rev.A
    
    Fixed in this release: - Fixes issue where BIOS Administrator password/Power on password can be accepted when the password length is less than Password Minimum Length. This BIOS upgrade package also includes the following firmware versions:
    Intel Management Engine Corporate v11.8.70.3626
    Super IO F/W 6.2.29
    Intel VBIOS 9.0.1051
    Intel GOP 9.0.1056
    USB Type-C PD Firmware 6.4.0
    
    - Enhancement to address security vulnerabilities CVE-2022-33894
    - Enhancement to address security vulnerabilities CVE-2022-43777
    - Enhancement to address security vulnerabilities CVE-2022-27541
    - Enhancement to address security vulnerabilities CVE-2022-27539
    
    Version: 02.44 Rev.A
    
    Fixed in this release: This BIOS upgrade package also includes the following firmware versions: Intel Management Engine Corporate v11.8.70.3626 Super IO F/W 6.2.29 Intel VBIOS 9.0.1051 Intel GOP 9.0.1056 USB Type-C PD Firmware 6.4.0 - Updates the Intel silicon reference code for compatibility enhancement - Enhancement to address security vulnerabilities CVE-2022-37018. - Enhancement to address security vulnerabilities CVE-2022-27538.
    
    Version: 02.43 Rev.A
    
    Fixed in this release: This BIOS upgrade package also includes the following firmware versions: (only list appropriate ones)
    Intel Management Engine Corporate v11.8.70.3626
    Super IO F/W 6.2.29
    Intel VBIOS 9.0.1051
    Intel GOP 9.0.1056
    USB Type-C PD Firmware 6.4.0
    
    - Enhancement to address security vulnerabilities CVE-2022-31635, CVE-2022-31636, CVE-2022-31637, CVE-2022-31638, CVE-2022-31639.
    - Enhancement to address security vulnerabilities CVE-2022-31641.
    
    Version: 00.02.40 Rev.A
    
    Fixed in this release: This BIOS upgrade package also includes the following firmware versions: (only list appropriate ones)
    Intel Management Engine Corporate v11.8.70.3626
    Super IO F/W 6.2.29
    Intel VBIOS 9.0.1051
    Intel GOP 9.0.1056
    USB Type-C PD Firmware 6.4.0
    
    - Enhancement to address security vulnerabilities CVE-2022-23924, CVE-2022-23925, CVE-2022-23926, CVE-2022-23927, CVE-2022-23928, CVE-2022-23929, CVE-2022-23930, CVE-2022-23931, CVE-2022-23932, CVE-2022-23933, CVE-2022-23934.
    - Enhancement to address security vulnerabilities CVE-2022-23953, CVE-2022-23954, CVE-2022-23955, CVE-2022-23956, CVE-2022-23957, CVE-2022-23958.
    - Enhancement to address security vulnerabilities CVE-2021-3808, CVE-2021-3809.
    - Enhancement to address security vulnerabilities CVE-2022-21166, CVE-2022-21125, CVE-2022-21123, CVE-2022-21127, CVE-2022-21151, CVE-2022-0005.
    - Enhancement to address security vulnerabilities CVE-2021-39299, CVE-2021-39300.
    
    Version: 00.02.39 Rev.A
    
    Fixed in this release: - Fixes issue where an error message pops up (0x8007054F) while enable Power-On Authentication if user account name longer than 11 characters. This BIOS upgrade package also includes the following firmware versions: (only list appropriate ones)
    Intel Management Engine Corporate v11.8.70.3626
    Super IO F/W 6.2.29
    Intel VBIOS 9.0.1051
    Intel GOP 9.0.1056
    USB Type-C PD Firmware 6.4.0
    - Enhancement to address security vulnerabilities CVE-2021-0156, CVE-2021-0157.
    - Enhancement to address security vulnerabilities CVE-2021-0127.
    - Enhancement to address security vulnerabilities CVE-2021-33107.
    
    Version: 02.38 Rev.A
    
    Fixed in this release: This BIOS upgrade package also includes the following firmware versions: (only list appropriate ones)
    Intel Management Engine Corporate v11.8.70.3626
    Super IO F/W 6.2.29
    Intel VBIOS 9.0.1051
    Intel GOP 9.0.1056
    USB Type-C PD Firmware 6.4.0
    - Enhancement to address security vulnerabilities CVE-2020-24512.
    - Enhancement to address security vulnerabilities CVE-2020-8670.
    
    Version: 02.37 Rev.A
    
    Fixed in this release: - Fixes issue where Secure Erase cannot be executed when Display Language is changed to non-English. - Enhancement to address security vulnerabilities CVE-2020-8696, CVE-2020-8695, CVE-2020-8694.
    - Critical Security Update.
    - Updates the Intel silicon reference code to 3.8.1.
    
    Version: 02.35 Rev.A
    
    Fixed in this release: Enhancement to address security vulnerabilities CVE-2020-0543, CVE-2020-0548, CVE-2020-0549, CVE-2020-8672.
    Updates the Intel silicon reference code to 3.8.0.
    
    Version: 02.34 Rev.A
    
    Fixed in this release: - Fixes an issue where system fails(a required device isn't connected or can't be accessed, Error code: 0xc000000f) when upgrading to Windows 10 RS3 after encrypting and setting BCDBOOT This BIOS upgrade package also includes the following firmware versions: (only list appropriate ones)
    Super I/O (SIO) 6.2.29
    Intel VBIOS 9.0.1051
    Intel GOP 9.0.1056
    USB Type-C PD firmware FW 6.4.0
    Intel/Realtek PXE rom IBS GE v0.1.12
    Intel/Realtek UEFI PXE rom Efi v0.0.18
    - Enhancement to address security vulnerabilities CVE-2020-0528, CVE-2020-0529.
    
    Version: 02.32 Rev.A
    
    Fixed in this release: - Fixes issue where system BIOS fails to be updated and reported "Failed to determine if new BIOS is available" without setting Proxy Server in F10 setup interface. This BIOS upgrade package also includes the following firmware versions: (only list appropriate ones)
    Super I/O (SIO) 6.2.29
    Intel VBIOS 9.0.1051
    Intel GOP 9.0.1056
    USB Type-C PD firmware FW 6.4.0
    Intel/Realtek PXE rom IBS GE v0.1.12
    Intel/Realtek UEFI PXE rom Efi v0.0.18
    
    - Updates the Intel silicon reference code to 3.7.5 for compatibility enhancement.
    - Updates the CPU microcode for Intel processors to 0xCA.
    
    Version: 02.31 Rev.A
    
    Fixed in this release: -Fixes issue where specific SanDisk USB drive is not listed in F9 Boot Menu. This BIOS upgrade package also includes the following firmware versions: (only list appropriate ones)
    Super I/O (SIO) 6.2.29
    Intel VBIOS 9.0.1046
    Intel GOP 9.0.1056
    USB Type-C PD firmware FW 6.4.0
    Intel/Realtek PXE rom IBS GE v0.1.12
    Intel/Realtek UEFI PXE rom Efi v0.0.18
    
    -Adds a feature to support Enhanced Secure Erase command for ATA drive in F10 setup interface.
    -Enhancement to address security vulnerabilities CVE-2019-0123, CVE-2019-0117, CVE-2019-11135, CVE-2019-11139.
    -Updates SuperIO firmware to v6.2.29 for stability enhancement.
    -Enhancement to address security vulnerabilities CVE-2019-0124.
    -Enhancement to address security vulnerabilities CVE-2019-0154.
    -Enhancement to address security vulnerabilities CVE-2019-0185.
    
    Version: 02.29 Rev.A
    
    Fixed in this release: - Fixes issue where user cannot exit MEBx (F6) by pressing Y or N key when setting language to Russian/Deutsch in F10.
    - Fixes issue where Absolute Computrace does not work when HP Sure Start BIOS settings protection is enabled.
    - Fixes issue where system cannot update BIOS from F10 setup when static IP is set in Network Configurations Settings.
    - Fixes issue where "Authentication Failed" screen displayed when enabling BIOS password under F10 and Power-on Authentication in HPCSM, then unchecking "BIOS Administrator visible at Power-on Authentication" under F10 setup interface. - Updates the Intel silicon reference code to 3.1.0.
    
    Version: 02.27 Rev.A
    
    Fixed in this release: - Fixed issue where keyboard drop-down menu still shows as English at Power-On Authentication page after changing the keyboard layout to non-English and selecting the standard user with the new password at the Power-On Authentication page.
    - Fixed issue where legacy bootable option is not listed in F9 when powering on unit with "USB to RJ45 dongle" and "USB flash disk" attached
    - Fixed issue where system hangs in POST when plug in the Apple USB-C HDMI/VGA Multiport Adapter. - Enhancement to address security vulnerabilities CVE-2018-12126, CVE-2018-12127, CVE-2018-12130.
    - Locks power button function during TPM firmware update process to avoid firmware corruption.
    
    Version: 02.25 Rev.A
    
    Fixed in this release: - Fixed issue where Russian language is unlisted in SMBIOS Type13 (BIOS Language Information).
    - Fixed issue where Win7 OS cannot be successfully installed after executing "Secure Erase" on Toshiba SSD KBG30ZMV256G.
    - Fixed issue where system cannot enter the Startup menu when restarting Windows to the firmware UI.
    - Fixed issue where no bootable device is found (3F0) on the first boot after swapping the bootable drives.
    - Fixed issue where changes made in BIOS Setup (F10) after a failed PXE boot would not be saved.
    - Fixed issue where BIOS update triggered by Windows Update does not occur after inputting the incorrect Admin password then inputting correct password.
    - Fixed issue where function keys in POST stop working after deploying system via SCCM.
    - Fixed issue where system does not automatically auto power on with "After Power Loss" set to "On" when system resumes from sleep and then abnormally shuts downs.
    - Fixed issue where system still pops out Physical Presence Interface when disabling Intel SGX in BIOS setup (F10) with Physical Presence Interface setting disabled.
    - Fixed issue where the stereo headset connected to the headset jack does not work when systems shuts down and AC adapter is removed. - Adds a feature to hide BIOS administrator account in Power-On Authentication screen.
    - Increases PXE IP time-to-live (TTL) value to improve compatibility with diverse end-user network environments.
    - Improves Japanese touch keyboard layout.
    - Enhancement to address security vulnerabilities CVE-2018-12201, CVE-2018- 12202, CVE-2018-12203, CVE-2018-12204, CVE-2018-12205.
    
    Version: 02.22 Rev.A
    
    Fixed in this release: -Fixes issue where system hangs after executing Secure Erase with Toshiba NVMe SSD.
    -Fixes issue where system hangs during POST after connecting EMDEP USB analyzer.
    -Fixes issue where BIOS cannot rollback to previous version with security vulnerability issue in non-delay mode.
    -Fixes issue where system fails to boot after enabling "Physical Presence Interface" and "SureStart Settings Protection" setting at the same time.
    -Fixes issue where system hangs during booting process after connecting mechanical keyboards(Abko K6000).
    -Fixes issue where system cannot enter F10 setup menu and Power on Password feature does not work if 3rd party PCIE serial port card is installed.
    -Fixes issue where password cannot be cleared when setting Clear Password Jumper to Honor. -Adds Russian Language Support in F10 setup interface.
    -Improves on-screen touch keyboard.
    -Adds a feature to allow user to enter F10 setup interface by double-clicking the power button.
    -Adds a feature in F10 setup interface to enable/disable HP Elite Slice Module Firmware Update through Windows Update.
    -Enhances power consumption by enabling S5 Maximum Power Savings when using Wake on LAN
    -Updates PXE to v0.0.18 to fix intermittent Network Link failure after UEFI PXE boot timeout.
    
    Version: 02.19 Rev.A
    
    Fixed in this release: -Security update with new MCU version.
    
    Version: 02.16 Rev.A
    
    Fixed in this release: -Fixes issue where network boot order is changed when PXE ROM version is updated.
    -Fixes issue where BSOD (a required device isn't connected or can't be accessed, Error code: 0xc000000f) when upgrading to Windows 10 RS3 after encrypting and setting BCDBOOT.
    -Fixes issue where BIOS update by Windows Update fails if Administrator Password is set.
    -Fixes issue where 1st keystroke is lost in some EFI applications.
    -Fixes issue where "Physical Presence Interface" cannot be configured by BCU.
    -Fixes issue where Seagate 2TB HDD has a beep sound when exiting from BIOS F10 Setup menu.
    -Fixes issue where Smart Cover password is unexpectedly bypassed.
    -Fixes issue where serial port is not working.
    -Fixes issue where Media Card Reader / SD_RDR USB would not list in F10 Setup Menu if device is not connected. -Bypasses the WinMagic SecureDoc Logon Screen when F9 & F10 keys get pressed.
    -Updates Intel Reference Code to 2.6.0.
    -Improves security of Intel MEBx protected by Administrator password.
    
    NOTE: Due to the security changes in this release, attempts to install older BIOS versions will require the user to be physically present to accept the older version.

    Code:
    Event[6585]:
      Log Name: System
      Source: EventLog
      Date: 2023-07-03T04:26:44.8410000Z
      Event ID: 6008
      Task: N/A
      Level: Error
      Opcode: N/A
      Keyword: Classic
      User: N/A
      User Name: N/A
      Computer: HP36x4mike
      Description: 
    The previous system shutdown at 12:19:13 AM on ?7/?3/?2023 was unexpected.

    Code:
    Event[6637]:
      Log Name: System
      Source: Microsoft-Windows-Kernel-Power
      Date: 2023-07-03T04:26:20.2190000Z
      Event ID: 41
      Task: N/A
      Level: Critical
      Opcode: Info
      Keyword: N/A
      User: S-1-5-18
      User Name: NT AUTHORITY\SYSTEM
      Computer: HP36x4mike
      Description: 
    The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.


    07/06
    Code:
    LiveKernelEvent  144
    C:\WINDOWS\LiveKernelReports\USBHUB3
    Last edited by zbook; 14 Jul 2023 at 00:14.
      My Computer


  7. Posts : 22
    Windows 10 64-bit
    Thread Starter
       #7

    I ran the Tuneup Plus script and msdt.exe. I updated the BIOS, HP UEFI, and HP Windows diagnostics. I ran the HP UEFI hardware diagnostics from around 5:30 pm last night until 8:20 am. I captured all the results and put them in the Dropbox folder with the previous results.
      My Computer


  8. Posts : 41,704
    windows 10 professional version 1607 build 14393.969 64 bit
       #8

    Indicate any performance changes with the BIOS upgrades.

    If there are still problems please comment into this thread.

    Post a new V2 share link into the newest post.

    (Please post new results into the newest post.)


    Code:
    Name	NVIDIA GeForce GTX 1050 Ti
    PNP Device ID	PCI\VEN_10DE&DEV_1C82&SUBSYS_8C961462&REV_A1\4&1C6D92BF&0&0008
    Adapter Type	NVIDIA GeForce GTX 1050 Ti, NVIDIA compatible
    Adapter Description	NVIDIA GeForce GTX 1050 Ti
    Adapter RAM	(1,048,576) bytes
    Installed Drivers	C:\WINDOWS\System32\DriverStore\FileRepository\nvmdsig.inf_amd64_776ddcbf66092a56\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvmdsig.inf_amd64_776ddcbf66092a56\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvmdsig.inf_amd64_776ddcbf66092a56\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvmdsig.inf_amd64_776ddcbf66092a56\nvldumdx.dll
    Driver Version	31.0.15.3161
    INF File	oem148.inf (Section008 section)
    Color Planes	Not Available
    Color Table Entries	4294967296
    Resolution	2560 x 1440 x 59 hertz
    Bits/Pixel	32
    Memory Address	0xD2000000-0xD30FFFFF
    Memory Address	0xC0000000-0xD1FFFFFF
    Memory Address	0xD0000000-0xD1FFFFFF
    I/O Port	0x00003000-0x00003FFF
    IRQ Channel	IRQ 16
    Driver	C:\WINDOWS\SYSTEM32\DRIVERSTORE\FILEREPOSITORY\NVMDSIG.INF_AMD64_776DDCBF66092A56\NVLDDMKM.SYS (31.0.15.3161, 55.55 MB (58,245,600 bytes), 5/12/2023 10:20 AM)
    	
    Name	Intel(R) HD Graphics 530
    PNP Device ID	PCI\VEN_8086&DEV_1912&SUBSYS_8298103C&REV_06\3&11583659&1&10
    Adapter Type	Intel(R) HD Graphics Family, Intel Corporation compatible
    Adapter Description	Intel(R) HD Graphics 530
    Adapter RAM	1.00 GB (1,073,741,824 bytes)
    Installed Drivers	C:\WINDOWS\System32\DriverStore\FileRepository\igdlh64.inf_amd64_9671054d3bbcb1b5\igdumdim64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\igdlh64.inf_amd64_9671054d3bbcb1b5\igd10iumd64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\igdlh64.inf_amd64_9671054d3bbcb1b5\igd10iumd64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\igdlh64.inf_amd64_9671054d3bbcb1b5\igd12umd64.dll
    Driver Version	30.0.101.1339
    INF File	oem136.inf (iSKLD_w10_DS section)
    Color Planes	Not Available
    Color Table Entries	Not Available
    Resolution	Not Available
    Bits/Pixel	Not Available
    Memory Address	0xF0000000-0xF0FFFFFF
    Memory Address	0xE0000000-0xEFFFFFFF
    I/O Port	0x0000FF80-0x0000FFBF
    IRQ Channel	IRQ 4294967290
    Driver	C:\WINDOWS\SYSTEM32\DRIVERSTORE\FILEREPOSITORY\IGDLH64.INF_AMD64_9671054D3BBCB1B5\IGDKMD64.SYS (30.0.101.1339, 38.18 MB (40,032,336 bytes), 7/14/2022 12:32 PM)
      My Computer


  9. Posts : 22
    Windows 10 64-bit
    Thread Starter
       #9

    Hi zbook,

    Since the BIOS updates the problems have not recurred, but since they're intermittent that indicates nothing. I've seen no other performance changes.

    I ran the V2 log collector again and placed the results in Dropbox - Toms Hardware - Simplify your life with everything else.

    Based on what you've seen in my diagnostics do have any idea what happened? Do you have any sense as to whether the problems will recur? Anything else I should know to help me decide if this system should be replaced?

    Thanks,
    Mike
      My Computer


  10. Posts : 41,704
    windows 10 professional version 1607 build 14393.969 64 bit
       #10

    The HP UEFI hardware diagnostic had a test for GPU video memory and it displayed pass.

    There are more GPU tests in the component section.

    Launch the HP Windows hardware diagnostics and run the component tests for GPU.

    The laptop has Nvidia Optimus.

    Check each of these locations for GPU menu options
    BIOS
    device manager
    Nvidia control panel

    View each of these locations for options to turn on / off Nvidia Optimus.

    Then see if Furmark can be used to test each GPU independently
    Intel GPU
    Nvidia GPU


    Optimus | Technology | GeForce


    FurMark - GPU Stress Test
      My Computer


 

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