Nvidea optimus t430 windows 8

Hello, 
I upgraded my system to windows 8, I made use of the promo offer of upgrading for €15,00, the first time, just after the installation, it booted normally and worked perfectly, but after my first restart, after showing the windows logo indicating that windows was starting, the computer would only show a black screen flashing on and off, about each second, when I moved the mouse while the screen was on, I could see the cursor.
After a little thought, I restarted in the BIOS and chose for the integrated graphics option and after this the laptop worked as it should, except for the video card so I downloaded the nvidea optimus driver and installed the optimus driver for windows 8, the installation went smoothly, so I decided to turn optimus back on, I restarted and went into the bios, and switched it on and got stuck with a flashing black screen again. So now I restarted and tried to see if the "discrete graphics" option works, it did but in very low resolution and in device manager it still didn't show my nvidea graphics card installed, nor did the nvidea settings program detect it, so now I'm back working with the integrated graphics. 
Is there a solution to my problem? did i do something wrong during the upgrade? I already tried installing the driver again but that didn't work.
thanks in advance

Ok, I just went ahead and installed the bios version I mentioned in the post above, and it went smoothly, so after the pc restarted, i decided to restart the pc to see if there was someway to change the setting to UEFI, I saw a setting called UEFI/legacy boot and it was set to "both", I changed it into UEFI and saved and exited the BIOS. but the computer wouldn't load windows, so I shut it down using the power button, restarted into the BIOS and changed the settings back, now windows loaded properly.
After this I tried to restart and change the display settins to optimus, now the windows logo appeared, indicating that windows was starting and shortly after I got the following message: "pc ran into an error at start, collecting error info, when this was completed the computer restarted and boot up again showing just a black screen, not even the flashing I had before the bios flash, I waited a few minutes and decided it wasn't doing anything so i went ahead and pushed the button again to shut it down, after this I changed the bios settings to integrated graphics again, so now windows did a repair at start up, which scared the **** out of me, I thought I had wrecked my computer but after ten minutes or so it started normally.
it still doesn't show the GPU in device manager but i guess that's because of the integrated graphics setting in the BIOS, everything works now but still no GPU, did I do something wrong? what's my next step to try and get it working? or did I shut down the computer too fast when I saw the black screen?
please help me, I really like windows 8 but if I don't get it to work properly I revert back to windows 7 using my recovery disks!
erceve

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    When asking for help, post your question in the forum. Remember to include your system type, model number and OS. Do not post your serial number.
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    If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help others with the same question in the future.
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    Andy  ______________________________________
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    Did you find a post helpfull? You can thank the member by clicking on the star to the left awarding them Kudos Please add your type, model number and OS to your signature, it helps to help you. Forum Search Option T430 2347-G7U W8 x64, Yoga 10 HD+, Tablet 1838-2BG, T61p 6460-67G W7 x64, T43p 2668-G2G XP, T23 2647-9LG XP, plus a few more. FYI Unsolicited Personal Messages will be ignored.
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    STACK_TEXT:  fffff801`dcd05e08 fffff801`dda4b853 : 00000000`00000133 00000000`00000000 00000000`00000281 00000000`00000280 : nt!KeBugCheckEx fffff801`dcd05e10 fffff801`dd91ce51 : 00000000`00000000 fffff801`ddb6d180 fffff801`dcd05fc0 fffff780`00000320 : nt! ?? ::FNODOBFM::`string'+0x13c4c fffff801`dcd05e90 fffff801`dd91dcd8 : ffffffff`ffd0ec08 fffff801`dd857502 fffff801`dcd05fc0 fffffa80`039fb010 : nt!KeUpdateRunTime+0x51 fffff801`dcd05ec0 fffff801`dd82deca : ffffffff`ffd0ec08 fffff801`dd857502 fffffa80`0732f098 00000000`00000000 : nt!KeUpdateTime+0x3f9 fffff801`dcd060b0 fffff801`dd8eab2e : 00000009`dcae355d 00000000`6ca2e81e fffff801`dd857580 fffffa80`0732f098 : hal!HalpTimerClockInterrupt+0x86 fffff801`dcd060e0 fffff801`dd8e1643 : fffffa80`07332700 fffff880`05aff06b fffffa80`0af52cd8 fffff801`dcd06309 : nt!KiInterruptDispatchLBControl+0x1ce fffff801`dcd06270 fffff801`dd91e025 : 00000000`00000002 fffff880`05d1aa24 fffff801`dcd06370 fffffa80`0af57990 : nt!KxWaitForSpinLockAndAcquire+0x23 fffff801`dcd062a0 fffff880`05d10d44 : fffffa80`0c166230 00000000`c0000001 fffff801`dcd06440 fffff880`05a9f3a3 : nt!KeAcquireSpinLockRaiseToDpc+0x35 fffff801`dcd062d0 fffff880`05ce3dd6 : fffffa80`0af7a1e0 fffff880`05ce3db0 fffffa80`075fca90 fffffa80`0af6cab0 : NETwew00+0x28cd44 fffff801`dcd06330 fffff880`05ab3304 : fffffa80`00000009 00000000`00000000 00000000`000000e2 fffff880`00000009 : NETwew00+0x25fdd6 fffff801`dcd06370 fffff880`05aab28f : 00000000`00000010 fffffa80`0af28e28 fffffa80`0af6cab0 fffffa80`075fcd70 : NETwew00+0x2f304 fffff801`dcd063c0 fffff880`05ad0d3f : 00000000`c0000001 fffff880`05b08c00 fffffa80`0b55a850 fffffa80`0af52c80 : NETwew00+0x2728f fffff801`dcd06410 fffff880`05aecc69 : 00000000`00000000 00000000`00000000 00000000`00000000 fffff880`00000000 : NETwew00+0x4cd3f fffff801`dcd06460 fffff880`05b08c30 : 00000000`00000000 fffffa80`0af7f168 fffffa80`0af694a0 fffffa80`07a0d000 : NETwew00+0x68c69 fffff801`dcd06490 fffff880`05ab3304 : 00000000`00000000 fffff880`05b08040 fffffa80`0b55a850 00000000`00000001 : NETwew00+0x84c30 fffff801`dcd064d0 fffff880`05aab28f : 00000000`00000040 fffffa80`0af69408 fffffa80`0af694a0 fffffa80`075db2b0 : NETwew00+0x2f304 fffff801`dcd06520 fffff880`05aecde9 : 00000000`ff000401 fffff801`dcd06638 00000000`00000004 fffffa80`075db2b0 : NETwew00+0x2728f fffff801`dcd06570 fffff880`05afb3f2 : fffffa80`000000c7 fffffa80`07332700 00000000`00000000 00000000`00000000 : NETwew00+0x68de9 fffff801`dcd065f0 fffff880`05d17981 : fffffa80`075e2c00 00000000`00000000 00000000`00000000 fffff880`05d17870 : NETwew00+0x773f2 fffff801`dcd06630 fffff880`05bced9f : fffffa80`0732f320 00000000`00000000 fffffa80`0732f000 00000000`00000000 : NETwew00+0x293981 fffff801`dcd06680 fffff880`05cded45 : fffffa80`075e2c00 fffffa80`0732f000 fffffa80`0af6efb0 00000000`00000000 : NETwew00+0x14ad9f fffff801`dcd066f0 fffff880`05d534de : fffffa80`0732f1a0 fffff880`05ab7bdb fffff880`05d884b0 fffff880`05d746f0 : NETwew00+0x25ad45 fffff801`dcd06720 fffff880`05bcf40d : fffffa80`0732f000 00000000`00000000 fffffa80`0af6efb0 00000000`00000000 : NETwew00+0x2cf4de fffff801`dcd06770 fffff880`05ab3304 : 00000000`00000000 fffff880`05bcf3a0 fffffa80`075fca90 fffff880`05ab2e63 : NETwew00+0x14b40d fffff801`dcd067d0 fffff880`05aab28f : 00000000`00000000 00000000`00000000 fffffa80`0af6efb0 fffffa80`075fcd70 : NETwew00+0x2f304 fffff801`dcd06820 fffff880`05ad10fc : 00000000`00000000 fffff880`05bd93b0 fffffa80`0b55a850 fffffa80`0b550900 : NETwew00+0x2728f fffff801`dcd06870 fffff880`05ab3304 : fffffa80`0af6c0a0 fffff880`05c91690 fffffa80`0b55a850 fffffa80`0af6f260 : NETwew00+0x4d0fc fffff801`dcd068b0 fffff880`05aab28f : 00000000`00000010 fffffa80`0af6ca48 fffffa80`0af7f6e0 fffffa80`075db2b0 : NETwew00+0x2f304 fffff801`dcd06900 fffff880`05b350bf : fffffa80`0b56b4e8 fffffa80`07324cf0 fffffa80`0b56b4e0 00000000`00000001 : NETwew00+0x2728f fffff801`dcd06950 fffff880`05ac9a6e : 00000000`00000000 fffff880`00000000 ffff193d`b0ee837f fffff880`05cf08f1 : NETwew00+0xb10bf fffff801`dcd069a0 fffff880`05acc3b7 : fffffa80`07324cf0 00000000`000000ff 00000000`00000000 fffffa80`0afe0190 : NETwew00+0x45a6e fffff801`dcd069f0 fffff880`05ac76f6 : fffffa80`0afe0190 fffffa80`07324cf0 00000000`000000ff fffff880`05ab7b3d : NETwew00+0x483b7 fffff801`dcd06a20 fffff880`05ac7fd1 : 00000002`00000001 fffffa80`0b532df0 00000000`00000000 fffffa80`07324cff : NETwew00+0x436f6 fffff801`dcd06ab0 fffff880`05ac25e7 : fffffa80`0b55aa01 fffffa80`0b55ab90 fffff801`dcd06bff fffff801`dcd06b70 : NETwew00+0x43fd1 fffff801`dcd06b50 fffff880`01c83e2e : 00000000`00000000 fffffa80`0b55ab90 00000000`00000000 00000000`00000000 : NETwew00+0x3e5e7 fffff801`dcd06bd0 fffff880`01c83f3e : fffffa80`0b55ae78 00000000`ffffffff fffffa80`0b55ab90 00000424`9431ba34 : ndis!ndisMiniportDpc+0xfe fffff801`dcd06c70 fffff801`dd918fd8 : fffff801`ddb6ff00 fffff801`00001000 fffff801`dcd06e80 fffff801`dcd00f44 : ndis!ndisInterruptDpc+0x9e fffff801`dcd06d00 fffff801`dd9185d0 : fffff801`ddb6d180 fffff880`03a9f7d0 fffffa80`04d4cb00 00000000`00000004 : nt!KiExecuteAllDpcs+0x198 fffff801`dcd06e40 fffff801`dd917fc5 : 00000000`00000000 fffff801`ddb6d180 fffff880`1ab7d740 fffff880`03343840 : nt!KiRetireDpcList+0xd0 fffff801`dcd06fb0 fffff801`dd917dc9 : fffff880`1ab7d650 00000000`00000010 ffffcd41`5a2d6bb7 fffff801`ddb08bc0 : nt!KxRetireDpcList+0x5 fffff880`1ab7d680 fffff801`dd9b3415 : fffffbdb`6bce4263 fffff801`dd8ea823 fffff880`1ab7d740 fffff880`1ab7d900 : nt!KiDispatchInterruptContinue fffff880`1ab7d6b0 fffff801`dd8ea823 : fffff880`1ab7d740 fffff880`1ab7d900 fffff880`1ab7d740 fffff880`00000000 : nt!KiDpcInterruptBypass+0x25 fffff880`1ab7d6c0 fffff801`dd836be2 : fffff801`dd8290e0 00000000`00000013 fffff880`05efe4a0 00000000`00000014 : nt!KiInterruptDispatch+0x273 fffff880`1ab7d858 fffff801`dd8290e0 : 00000000`00000013 fffff880`05efe4a0 00000000`00000014 fffff880`05f0a320 : hal!HalpTscQueryCounter+0x2 fffff880`1ab7d860 fffff880`05f00c0f : 00000000`000007b1 00000000`000007b1 fffff880`1ab7d9c9 00000000`00000000 : hal!HalpTimerStallExecutionProcessor+0x131 fffff880`1ab7d8f0 fffff880`05f12cd3 : 00000000`00000001 00000000`00000000 00000000`00042065 00000000`000000ff : i8042prt!I8xGetBytePolled+0xef fffff880`1ab7d930 fffff880`05f151fd : 00000000`00030001 00000000`00030001 00000000`00000064 00000000`00000064 : i8042prt!I8xInitializeKeyboard+0x143 fffff880`1ab7da30 fffff880`05f0f008 : fffffa80`0483ba20 fffffa80`072e5b40 fffffa80`073618b0 fffffa80`072e5b40 : i8042prt! ?? ::NNGAKEGL::`string'+0x1ea fffff880`1ab7da90 fffff801`dd8dd49b : fffffa80`04c0ba50 fffff880`c0000001 fffff880`c0000001 fffffa80`0d565940 : i8042prt!I8xReinitializeHardware+0x108 fffff880`1ab7db10 fffff801`dd92a641 : fffff801`ddafb110 fffffa80`0d7686c0 fffff801`dd8dd43c fffff801`00000000 : nt!IopProcessWorkItem+0x5f fffff880`1ab7db80 fffff801`dd899625 : fffffa80`03f89b80 00000000`00000080 fffff801`dd92a500 fffffa80`0d7686c0 : nt!ExpWorkerThread+0x142 fffff880`1ab7dc10 fffff801`dd8d7e56 : fffff880`00996180 fffffa80`0d7686c0 fffffa80`03699040 fffffa80`03629040 : nt!PspSystemThreadStartup+0x59 fffff880`1ab7dc60 00000000`00000000 : fffff880`1ab7e000 fffff880`1ab78000 00000000`00000000 00000000`00000000 : nt!KiStartSystemThread+0x16
    STACK_COMMAND:  kb
    FOLLOWUP_IP: NETwew00+28cd44 fffff880`05d10d44 83bc2480000000ff cmp     dword ptr [rsp+80h],0FFFFFFFFh
    SYMBOL_STACK_INDEX:  8
    SYMBOL_NAME:  NETwew00+28cd44
    FOLLOWUP_NAME:  MachineOwner
    MODULE_NAME: NETwew00
    IMAGE_NAME:  NETwew00.sys
    DEBUG_FLR_IMAGE_TIMESTAMP:  5051de6a
    FAILURE_BUCKET_ID:  0x133_DPC_NETwew00+28cd44
    BUCKET_ID:  0x133_DPC_NETwew00+28cd44
    Followup: MachineOwner ---------
    (From W530 machine) 
    0: kd> !analyze -v ******************************************************************************* *                                                                             * *                        Bugcheck Analysis                                    * *                                                                             * *******************************************************************************
    DPC_WATCHDOG_VIOLATION (133) The DPC watchdog detected a prolonged run time at an IRQL of DISPATCH_LEVEL or above. Arguments: Arg1: 0000000000000000, A single DPC or ISR exceeded its time allotment. The offending  component can usually be identified with a stack trace. Arg2: 0000000000000281, The DPC time count (in ticks). Arg3: 0000000000000280, The DPC time allotment (in ticks). Arg4: 0000000000000000
    Debugging Details: ------------------
    DPC_TIMEOUT_TYPE:  SINGLE_DPC_TIMEOUT_EXCEEDED
    DEFAULT_BUCKET_ID:  WIN8_DRIVER_FAULT
    BUGCHECK_STR:  0x133
    PROCESS_NAME:  netsh.exe
    CURRENT_IRQL:  d
    LAST_CONTROL_TRANSFER:  from fffff801c0dd9853 to fffff801c0c7f740
    STACK_TEXT:  fffff801`bfd78e08 fffff801`c0dd9853 : 00000000`00000133 00000000`00000000 00000000`00000281 00000000`00000280 : nt!KeBugCheckEx fffff801`bfd78e10 fffff801`c0caae51 : 00000000`00000000 fffff801`c0efb180 fffff801`bfd78fc0 fffff780`00000320 : nt! ?? ::FNODOBFM::`string'+0x13c4c fffff801`bfd78e90 fffff801`c0cabcd8 : ffffffff`ffd0ec08 fffff801`c139a502 fffff801`bfd78fc0 fffff880`00000000 : nt!KeUpdateRunTime+0x51 fffff801`bfd78ec0 fffff801`c1370eca : ffffffff`ffd0ec08 fffff801`c139a502 00000000`4dedc032 00000000`00000000 : nt!KeUpdateTime+0x3f9 fffff801`bfd790b0 fffff801`c0c78b2e : 00000130`eb958f54 00000000`56005d8e fffff801`c139a580 fffff880`033326c0 : hal!HalpTimerClockInterrupt+0x86 fffff801`bfd790e0 fffff801`c0c6f643 : fffffa80`159f0d40 fffff880`06acb06b fffffa80`1596f598 fffff801`bfd79309 : nt!KiInterruptDispatchLBControl+0x1ce fffff801`bfd79270 fffff801`c0cac025 : 00000000`00000002 fffff880`06ce6a24 fffff801`bfd79370 fffffa80`1596f310 : nt!KxWaitForSpinLockAndAcquire+0x23 fffff801`bfd792a0 fffff880`06cdcd44 : fffffa80`169fd0d0 00000000`c0000001 fffff801`bfd79440 fffff880`06a6b3a3 : nt!KeAcquireSpinLockRaiseToDpc+0x35 fffff801`bfd792d0 fffff880`06cafdd6 : fffffa80`1598a1e0 fffff880`06cafdb0 fffffa80`159c19b0 fffffa80`159654d0 : NETwew00+0x28cd44 fffff801`bfd79330 fffff880`06a7f304 : fffffa80`00000006 00000000`00000000 00000000`000000e2 fffff880`00000006 : NETwew00+0x25fdd6 fffff801`bfd79370 fffff880`06a7728f : 00000000`00000010 fffffa80`15972508 fffffa80`159654d0 fffffa80`159c1d70 : NETwew00+0x2f304 fffff801`bfd793c0 fffff880`06a9cd3f : 00000000`c0000001 fffff880`06ad4c00 fffffa80`15ba3e70 fffffa80`1596f540 : NETwew00+0x2728f fffff801`bfd79410 fffff880`06ab8c69 : 00000000`00000000 00000000`00000000 00000000`00000000 fffff880`00000000 : NETwew00+0x4cd3f fffff801`bfd79460 fffff880`06ad4c30 : 00000000`00000000 fffffa80`15978cd8 fffffa80`1597cab0 fffffa80`0ba2f000 : NETwew00+0x68c69 fffff801`bfd79490 fffff880`06a7f304 : 00000000`00000000 fffff880`06ad4040 fffffa80`15ba3e70 00000000`00000001 : NETwew00+0x84c30 fffff801`bfd794d0 fffff880`06a7728f : 00000000`00000040 fffffa80`15979408 fffffa80`1597cab0 fffffa80`0bbed010 : NETwew00+0x2f304 fffff801`bfd79520 fffff880`06ab8de9 : 00000000`ff000401 fffff801`bfd79638 00000000`00000004 fffffa80`0bbed010 : NETwew00+0x2728f fffff801`bfd79570 fffff880`06ac73f2 : fffffa80`000000c7 fffffa80`159f0d40 00000000`00000000 00000000`00000000 : NETwew00+0x68de9 fffff801`bfd795f0 fffff880`06ce3981 : fffffa80`0b160bc0 00000000`00000000 00000000`00000000 fffff880`06ce3870 : NETwew00+0x773f2 fffff801`bfd79630 fffff880`06b9ad9f : fffffa80`159e8320 00000000`00000000 fffffa80`159e8000 00000000`00000000 : NETwew00+0x293981 fffff801`bfd79680 fffff880`06caad45 : fffffa80`0b160bc0 fffffa80`159e8000 fffffa80`159704f0 00000000`00000000 : NETwew00+0x14ad9f fffff801`bfd796f0 fffff880`06d1f4de : fffffa80`159e81a0 fffff880`06a83bdb fffff880`06d544b0 fffff880`06d406f0 : NETwew00+0x25ad45 fffff801`bfd79720 fffff880`06b9b40d : fffffa80`159e8000 00000000`00000000 fffffa80`159704f0 00000000`00000000 : NETwew00+0x2cf4de fffff801`bfd79770 fffff880`06a7f304 : 00000000`00000000 fffff880`06b9b3a0 fffffa80`159c19b0 fffff880`06a7ee63 : NETwew00+0x14b40d fffff801`bfd797d0 fffff880`06a7728f : 00000000`00000000 00000000`00000000 fffffa80`159704f0 fffffa80`159c1d70 : NETwew00+0x2f304 fffff801`bfd79820 fffff880`06a9d0fc : 00000000`00000000 fffff880`06ba53b0 fffffa80`15ba3e70 fffffa80`15ba3ba0 : NETwew00+0x2728f fffff801`bfd79870 fffff880`06a7f304 : fffffa80`15969790 fffff880`06c5d690 fffffa80`15ba3e70 fffffa80`1597f260 : NETwew00+0x4d0fc fffff801`bfd798b0 fffff880`06a7728f : 00000000`00000010 fffffa80`1596a138 fffffa80`15953b70 fffffa80`0bbed010 : NETwew00+0x2f304 fffff801`bfd79900 fffff880`06b010bf : fffffa80`0b0eb4e8 fffffa80`0bbed390 fffffa80`0b0eb4e0 00000000`00000001 : NETwew00+0x2728f fffff801`bfd79950 fffff880`06a95a6e : 00000000`00000000 00000000`00000f32 00000000`00400a02 fffff880`01a68d24 : NETwew00+0xb10bf fffff801`bfd799a0 fffff880`06a983b7 : fffffa80`0bbed390 00000000`000000ff 00000000`00000000 fffffa80`15b43400 : NETwew00+0x45a6e fffff801`bfd799f0 fffff880`06a936f6 : fffffa80`15b43400 fffffa80`0bbed390 00000000`000000ff fffff801`c0efdf00 : NETwew00+0x483b7 fffff801`bfd79a20 fffff880`06a93fd1 : fffffa80`00000001 fffffa80`15b5dbd0 fffffa80`0bbed700 fffffa80`0bbed3ff : NETwew00+0x436f6 fffff801`bfd79ab0 fffff880`06a8e5e7 : fffffa80`159fec01 fffffa80`15b85850 fffff801`bfd79bff fffffa80`06c89398 : NETwew00+0x43fd1 fffff801`bfd79b50 fffff880`01a68e2e : 00000000`00000000 fffffa80`15b85850 00000000`00000000 fffffa80`07760a70 : NETwew00+0x3e5e7 fffff801`bfd79bd0 fffff880`01a68f3e : fffffa80`15b85d38 00000000`ffffffff fffffa80`15b85850 0000240a`bb33711e : ndis!ndisMiniportDpc+0xfe fffff801`bfd79c70 fffff801`c0ca6fd8 : fffff801`c0efdf00 00000000`00001000 fffffa80`0b0870b8 fffff801`bfd70f44 : ndis!ndisInterruptDpc+0x9e fffff801`bfd79d00 fffff801`c0ca65d0 : fffff801`c0efb180 00000126`a2c54098 fffffa80`17125b00 00000000`00000025 : nt!KiExecuteAllDpcs+0x198 fffff801`bfd79e40 fffff801`c0ca5fc5 : 00000000`00000000 fffff801`c0efb180 fffff880`1f8532b0 fffffa80`2e5edba0 : nt!KiRetireDpcList+0xd0 fffff801`bfd79fb0 fffff801`c0ca5dc9 : ffffe9a6`00000005 00000000`00000000 fffffa80`1dde1b50 fffff880`03332780 : nt!KxRetireDpcList+0x5 fffff880`1f853200 fffff801`c0d412d8 : fffff880`1f8532b0 00000000`00000000 fffff880`1f8532b0 fffff880`00000000 : nt!KiDispatchInterruptContinue fffff880`1f853230 fffff801`c0cb9262 : fffffa80`1faa3f04 fffffa80`08de09e0 fffffa80`1faa3f20 fffff801`c0efb180 : nt!KiDpcInterrupt+0xc8 fffff880`1f8533c0 fffff801`c1064f13 : fffffa80`1faa3f20 00000000`00000000 00000000`00000000 fffff880`1f8538c0 : nt!IopQueueThreadIrp+0x82 fffff880`1f8533f0 fffff801`c104b6da : 00000000`00000000 fffffa80`08de09e0 fffff880`1f853751 00000000`00000001 : nt!IopCloseFile+0x123 fffff880`1f853480 fffff801`c1047c7d : fffff801`c0c05000 fffff801`c0c05000 00000000`00000000 fffffa80`08bc9c90 : nt!IopParseDevice+0xdda fffff880`1f853670 fffff801`c104d2d8 : 00000000`00000000 fffff880`1f853818 00000000`00000040 fffffa80`06ce55a0 : nt!ObpLookupObjectName+0x7a1 fffff880`1f8537a0 fffff801`c0ffce7c : 00000000`00000000 00000000`00f2df88 00000000`00000001 fffff801`c10196d8 : nt!ObOpenObjectByName+0x258 fffff880`1f853870 fffff801`c0c7e753 : 00000000`00000000 00000000`00000000 fffffa80`1dde1780 fffff880`c0000034 : nt!NtQueryAttributesFile+0x13b fffff880`1f853b00 000007fd`5c722fba : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13 00000000`00f2df48 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x000007fd`5c722fba
    STACK_COMMAND:  kb
    FOLLOWUP_IP: NETwew00+28cd44 fffff880`06cdcd44 83bc2480000000ff cmp     dword ptr [rsp+80h],0FFFFFFFFh
    SYMBOL_STACK_INDEX:  8
    SYMBOL_NAME:  NETwew00+28cd44
    FOLLOWUP_NAME:  MachineOwner
    MODULE_NAME: NETwew00
    IMAGE_NAME:  NETwew00.sys
    DEBUG_FLR_IMAGE_TIMESTAMP:  5051de6a
    FAILURE_BUCKET_ID:  0x133_DPC_NETwew00+28cd44
    BUCKET_ID:  0x133_DPC_NETwew00+28cd44
    Followup: MachineOwner ---------
    0: kd> lmvm netwew00 start             end                 module name fffff880`06a50000 fffff880`06ebc000   NETwew00   (no symbols)               Loaded symbol image file: NETwew00.sys     Image path: \SystemRoot\system32\DRIVERS\NETwew00.sys     Image name: NETwew00.sys     Timestamp:        Thu Sep 13 06:23:54 2012 (5051DE6A)     CheckSum:         00419EED     ImageSize:        0046C000     Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4

    NETwew00.sys version on my system: 15.5.4.45
    Latest driver version from Lenovo support site: 15.5.3.43

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