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  1.    16 Jun 2017 #51
    Join Date : Jun 2017
    Berkshire
    Posts : 34
    Windows 10
    Thread Starter

    This is the one with the yield sign, the properties say (obviously) the device is disabled:
    Click image for larger version. 

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    This is the "copy", according to the properties, this device is not connected:
    Click image for larger version. 

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      My ComputerSystem Spec
  2.    20 Jun 2017 #52
    Join Date : Jun 2017
    Berkshire
    Posts : 34
    Windows 10
    Thread Starter

    Some more information regarding the splash screen issue:
    I have noticed that, when I hold the "Volume Up" control (in my case "Fn+F8") while I press the power button (I read this somewhere online, can't remember where), the laptop boots up immediately.
    However, the Samsung splash screen stays there for quite a while.

    I also noticed that, when the machine refuses to boot up, it seems to be the HDD that does not start right away (that is what I assume when I watch the lights).

    Does any of that make any sense to the more knowledgeable among you?
      My ComputerSystem Spec
  3.    22 Jun 2017 #53
    Join Date : Apr 2017
    Posts : 8,639
    windows 10 professional version 1607 build 14393.969 64 bit

    dalchina please find solutions for mrfdes
      My ComputerSystem Spec
  4.    24 Jun 2017 #54
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,957
    Win 10 Pro (1703)

    Hi, two simple ideas coming from a different direction:

    First, let's separate the screen flicker/driver issues from your existing Windows installation.

    Please download and create Kyhi's boot disk/DVD from the top of the Software and Apps section. (This is a very handy tool to have).
    Please boot from it, and see if you have any sort of display quirk or oddity as you have been describing.

    Second, do you have a spare hard drive you could use in your laptop?
    I also noticed that, when the machine refuses to boot up, it seems to be the HDD that does not start right away (that is what I assume when I watch the lights).
    It would be useful to know if, having clean installed Win 10 to a different drive, whether you still have any boot issues.

    These steps would help to identify a possible hardware issue, or whether it's a problem with your OS installation/drivers etc

    It is a little difficult to imagine this being a driver problem, as you have experienced these problems both in the AU & now the CU (with a new set of drivers).

    This sounds so much like a hardware problem: (MBO or PSU)
    For a while now, whenever I switch my laptop on in the morning, it starts up with a black screen, and after a while it just switches off.

    However, I found a way round this and I take the battery out and unplug it for a little while,
      My ComputerSystem Spec
  5.    24 Jun 2017 #55
    Join Date : Jun 2017
    Berkshire
    Posts : 34
    Windows 10
    Thread Starter

    Hi,
    thank you for your input.

    I have downloaded th ISO and put it onto a DVD.

    I set the boot order to boot from DVD, but apart from the fact the machine booted up much slower than usual, it booted up in Windows like it always does.
    I did not see anything different happen, unless I missed something, of course.

    Anyway, thank you for this.
      My ComputerSystem Spec
  6.    24 Jun 2017 #56
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,957
    Win 10 Pro (1703)

    Did you see this when you booted from your DVD?
    Click image for larger version. 

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    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums

    Did you burn the iso to your DVD or simply copy the file to it as a data disk?
    You need to do the first. The second does not create a bootable DVD.

    it booted up in Windows like it always does.
    - means you didn't boot from the DVD, but from your hard disk- exactly what we're trying not to do.

    Or have you not changed the boot order in BIOS (as is always required and has been required for many years) so the PC looks at your DVD drive before the hard disk?

    e.g.
    How To Change the Boot Order (Boot Sequence) in BIOS


    Again:
    Second, do you have a spare hard drive you could use in your laptop?
    Last edited by dalchina; 25 Jun 2017 at 00:58.
      My ComputerSystem Spec
  7.    25 Jun 2017 #57
    Join Date : Jun 2017
    Berkshire
    Posts : 34
    Windows 10
    Thread Starter

    Quote Originally Posted by dalchina View Post
    Did you see this when you booted from your DVD?
    Click image for larger version. 

Name:	1.jpg 
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ID:	141047
    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums
    No, unfortunately I saw my usual normal desktop.
    Did you burn the iso to your DVD or simply copy the file to it as a data disk?
    You need to do the first. The second does not create a bootable DVD.
    Yes, I used the first method and have a bootable disk.


    - means you didn't boot from the DVD, but from your hard disk- exactly what we're trying not to do.

    Or have you not changed the boot order in BIOS (as is always required and has been required for many years) so the PC looks at your DVD drive before the hard disk?
    I did change the boot order, I also tried from a USB stick, it seems to be ignored by the laptop.
    And, I forgot to mention that, unfortunately I do not have a spare HDD at the moment.

    Thank you for your help so far.
      My ComputerSystem Spec
  8.    25 Jun 2017 #58
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,957
    Win 10 Pro (1703)

    You need to have a means of separating the issues. Presently you don't, alas.

    May I ask- does your PC boot from any Win 10 bootable media, or is failing to recognise bootable media perhaps part of your symptoms?

    Have you checked to see if there's a BIOS update available?
      My ComputerSystem Spec
  9.    25 Jun 2017 #59
    Join Date : Jun 2017
    Berkshire
    Posts : 34
    Windows 10
    Thread Starter

    I assume it must be part of my symptoms, if, in spite of having reversed the boot order and having bootable media in the laptop, it still boots up in the usual way.

    Furthermore, I have a USB DVD drive connected to my laptop, which shows up in the Device Manager, but not in the BIOS, same thing when I connect a USB stick.

    The first thing I thought about was looking for a newer BIOS version, at the moment I have American Megatrends P09ABE, 04/07/2013 on a Samsung NP350V5C motherboard, but neither the Samsung nor the AMI websites are very helpful nor user friendly.

    Here is what msinfo32 shows:
    OS Name Microsoft Windows 10 HomeVersion 10.0.15063 Build 15063Other OS Description Not AvailableOS Manufacturer Microsoft CorporationSystem Name ACHTLAPTOPSystem Manufacturer SAMSUNG ELECTRONICS CO., LTD.System Model 350V5C/351V5C/3540VC/3440VCSystem Type x64-based PCSystem SKU P09ABE.012.CPProcessor Intel(R) Pentium(R) CPU B970 @ 2.30GHz, 2300 Mhz, 2 Core(s), 2 Logical Processor(s)BIOS Version/Date American Megatrends Inc. P09ABE, 04/07/2013SMBIOS Version 2.7Embedded Controller Version 9.00BIOS Mode UEFIBaseBoard Manufacturer SAMSUNG ELECTRONICS CO., LTD.BaseBoard Model Not AvailableBaseBoard Name Base BoardPlatform Role MobileSecure Boot State OnPCR7 Configuration Binding Not PossibleWindows Directory C:\WINDOWSSystem Directory C:\WINDOWS\system32Boot Device \Device\HarddiskVolume2Locale United KingdomHardware Abstraction Layer Version = "10.0.15063.0"Username Achtlaptop\frank_000Time Zone GMT Summer TimeInstalled Physical Memory (RAM) 6.00 GBTotal Physical Memory 5.89 GBAvailable Physical Memory 3.06 GBTotal Virtual Memory 6.26 GBAvailable Virtual Memory 3.47 GBPage File Space 384 MBPage File C:\pagefile.sysDevice Encryption Support Reasons for failed automatic device encryption: TPM is not usable, PCR7 binding is not supported, Hardware Security Test Interface failed and the device is not InstantGo, Un-allowed DMA-capable bus/device(s) detected, TPM is not usableHyper-V - VM Monitor Mode Extensions NoHyper-V - Second Level Address Translation Extensions NoHyper-V - Virtualisation Enabled in Firmware NoHyper-V - Data Execution Protection Yes
    Especially the Device encryption support bothers me, that seems to be somewhat BIOS related.
    Hope I have given you some more clarity with this.

    Thank you for your help and advice.
      My ComputerSystem Spec
  10.    25 Jun 2017 #60
    Join Date : Jan 2015
    UK, Midlands
    Posts : 10,957
    Win 10 Pro (1703)

    Drivers here:
    Series 3 Windows Laptops NP350V5C | Owner Information & Support | Samsung US

    However it's not apparent that any BIOS firmware is listed. There's something called a Chipset driver....

    I also came across this reference:
    system bios update for samsung notebook - Microsoft Community

    I think it's time you asked someone to check your hardware, or made enquiries of Samsung and their forum as to your boot issues.

    Support | Samsung US
      My ComputerSystem Spec

 
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