Windows 10: Slow POST Time, Takes About 30sec

  1. Posts : 17
    Windows 10 SL x64
       22 Jun 2017 #1

    Slow POST Time, Takes About 30sec

    Hi, I have Ryzen 7 1700 paired with MSI X370 SLI Plus mainboard and I find time wasted to do POST is really annoying, it takes about 30 seconds before Windows logo appears.

    There's "EZ debug LED" on the mainboard and I noticed from power on, CPU LED lit about 10 seconds, then no LED lit for ~10 seconds and finally 10 seconds for GPU LED. Before using AM4 mainboard, I use AM3 mainboard with my current GPU (GTX 1070) and before POST, I saw some texts indicating my GPU is running (GPU POST? I don't know about this), somehow, on my current AM4 mainboard I don't see this texts. So after power on the monitor still on sleep, and after that wakes up after GPU on the debug LED finish.

    I already on the latest BIOS version (7A33v33), though it's indeed improving from the release BIOS (v3.0) that takes about 40 seconds to do POST. Please help.
      My ComputerSystem Spec

  2.    24 Jun 2017 #2

    First, try these things:
    • Go into the UEFI/BIOS and reset BIOS Defaults, then restart and test.

    If that doesn't work, try a ClearCMOS procedure
    • Turn off the PC, disconnect power cord
    • Find and remove the 3v battery on the motherboard
    • Find the ClearCMOS or CLRTC jumper on the motherboard (consult the manual for location)
    • Move the jumper from pins 1-2 to pins 2-3
    • Replace the jumper on pins 1-2, replace the battery, plug in the PC, power on, and test

    Simplify the system
    • Disconnect all but the essential parts of the PC, which are: Power supply, Motherboard, CPU, RAM, and Graphics Card.
    • Test the boot time in this simplified form. (You will only get to see the boot info here, which should end with a message telling you that no operating system is found)
    • If the boot time is good in simple form then the delay is with the hard drives and/or the OS.
    • If the boot time is still delayed then there is a problem with one of the core devices.

    There should be a setting in your UEFI/BIOS that toggles on/off the display of the boot info. This is often named "Fast Boot", or similar. Make sure this setting is disabled so you can see what is going on. Sometimes you can see where in the process the system hangs.

    There are 3 basic steps to a PC starting up:
    • The POST (Power On Self Test)
    • Enumeration
    • Hand over to the Operating System

    The POST is a simple test, it only checks that the motherboard is "alive", can read the BIOS, and is functioning within parameters.
    In the old days PCs came with a speaker attached to the motherboard that would beep when the POST was successful. This was reassuring because if you heard the simple beep you knew there was no problem with the motherboard or CMOS data.

    The Enumeration process is where the motherboard literally takes count of the devices attached to it and compares this list to the CMOS data to see if there are any changes. (If Fast Boot is disabled you can watch this process happen.)

    Once this process is completed the BIOS looks for a bootable device. Once found, it will hands over control of the system to the OS, which takes over from there.

    The POST should never take more than a few seconds. If the delay is in the POST you could have a problem with one of the core components.
    Enumeration is often where we see delay. Usually because one of the connected devices has a problem, or is not reporting correctly.
    The Hand Over can be delayed if there is a problem with a hard drive or in the Boot Manager.

    It is very important when dealing with a problem like yours to know where in the process the delay is taking place, because you would do very different things depending on where the problem lies.
    Sometimes when troubleshooting a problem system it becomes important to have some basic tools at your disposal for diagnostic work: a PC speaker, a cheap and simple graphics card, and a known good blank hard drive. If you can't clear up the problem using the simple techniques above, and you don't have the parts needed to do the testing, then it is recommended to bring it to a repair shop.
      My ComputerSystem Spec

  3.    25 Jun 2017 #3

    Good Post 2. Check you have no active partitions set on any connected drive other than your main boot drive since this can confuse / slow the boot process. Also, disconnect any non-essential USB devices at boot to see if these are causing problems.
      My ComputersSystem Spec

  4. Posts : 17
    Windows 10 SL x64
    Thread Starter
       29 Jun 2017 #4

    Hi, thanks for the detailed replies, I just got back from vacation so sorry I haven't replied it earlier :)

    - I have reset BIOS to default settings. still problem exists
    - I don't want to remove the battery from my mainboard, as it's sealed with warranty sticker
    - I did boot with essential parts only (plus my SSD). I will try to remove the SSD after I post this
    - Also I will remove any USB devices I have to see if it is the problem
    - Strangely, I can't find any fastboot option on my mainboard

    I also Googled my problems and it seems a few users of the same mainboard have the same problem. I have described my problem on MSI forum and they tell me to wait for the newer BIOS to solve this. Could it be that the problem lies on my current BIOS, and a newer, stable BIOS will fix this?
      My ComputerSystem Spec

  5.    29 Jun 2017 #5

    Yes, the problem could be solved by a BIOS upgrade. Problems like yours are often BIOS related and if the original BIOS was buggy then that would 'splain it.

    The warranty sticker gave me a chuckle. They must not sell to many self builders.
      My ComputerSystem Spec

  6. Posts : 17
    Windows 10 SL x64
    Thread Starter
       29 Jun 2017 #6

    I just flashed the latest BIOS available (beta V3.44) from MSI forum and it doesn't improve the boot/POST time. Guess I'll have to wait until they release stable version and hopefully it solves my problem.
    Thanks :)
      My ComputerSystem Spec

  7.    29 Jun 2017 #7

    The "Fast Boot" option is usually found under the BOOT Tab in the UEFI/BIOS Settings (Advanced Mode).

    There can also be a "POST Delay Time" option there too. You want to keep that a 2 or 3 seconds normally.

    It's importand to know where in the process your delay occurs.
      My ComputerSystem Spec


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