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Problems with my new Build

So recently I build A new computer, which is giving me some problems.

Compontents are:

Case: Aerocool P7-C1
Motherboard: Asus z170-Deluxe
CPU: Intel I7-7700K
Videocard: MSI GeForce GTX 970
RAM: Corsair DDR4 2x8GB 3000MHz
CPU Cooler: Thermaltake Water 3.0 Ultimate
PowerSuply: Corsair CX750M
2x 120 GB SSD
1x 1 TB HDD

So basically I build this pc yesterday, and I connected everything.
From the moment I wanted to turn it on I already had some problems; it was doing nothing when I pressed the button.

Now I DID double check everything and it should be connected the right way, because there was a way I found to make it work and install windows. This was pressing the CLR_CMOS button.

This made me go to my BIOS, where I could go to my harddrive and start my pc. But besides this, I can't make the pc power on through the power button from the case OR even the button on the motherboard (there is a reset and power button on the motherboard as well). Although even though it won't start that way, it will turn off that way! So basically the button is working.

Sometimes, if u press the button a couple of times it will start the front fans (cpu fans) but nothing more. I already replaced the BIOS battery, because this one was low. But the moment I replaced it, it worked once, as it was supposed to do! But once I turned the pc off, and tried turning it on again I was back at the start.

The moment I start the pc through resetting it, it will say the code A2 on the display, IDE connected.

And I also wanted to check if it was a faulty case, so I hooked the button of my old case onto the motherboard, but this button reacted the same way as that one from the case.

And I'm making this thread from my pc, so the pc DOES work, it's the power on that's giving me problems.

So I really hope someone can help me with this?
Or have more solutions, because I'm kinda of out of ideas.
9 answers Last reply Best Answer
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  1. Best answer
    Here's the most probably cause, your motherboard is Z170, supports only Skylake.
    You need to update BIOS with a Skylake CPU.
    There is a small chance that it was updated for Kaby Lake.
    In that case, the problem lies somewhere else.
    Solve it by eliminating the causes, most probable to least.

    EDIT: Code A2 is shown when there's an error reading connected drives, usually happens when more drives are connected before OS is installed. I just read this on another thread.
  2. lakimens said:
    Here's the most probably cause, your motherboard is Z170, supports only Skylake.
    You need to update BIOS with a Skylake CPU.
    There is a small chance that it was updated for Kaby Lake.
    In that case, the problem lies somewhere else.
    Solve it by eliminating the causes, most probable to least.

    EDIT: Code A2 is shown when there's an error reading connected drives, usually happens when more drives are connected before OS is installed. I just read this on another thread.


    And how exactly do I do this? I'm no IT man, I know my way around it, but not in dept. Is it a bois update I can do by downloading the file on a USB drive? Or is it something else?
  3. Download BIOS from here: https://www.asus.com/us/Motherboards/Z170-DELUXE/HelpDesk_Download/
    Put it on an empty USB.
    Here's a tutorial: https://www.asus.com/us/support/FAQ/1012815/
    You will not need a new CPU, your motherboard supports EZ-FLASH.
  4. lakimens said:
    Download BIOS from here: https://www.asus.com/us/Motherboards/Z170-DELUXE/HelpDesk_Download/
    Put it on an empty USB.
    Here's a tutorial: https://www.asus.com/us/support/FAQ/1012815/
    You will not need a new CPU, your motherboard supports EZ-FLASH.


    Okay I just updated the BIOS with a usb to the latest update. And I even installed the latest update for the Intel Chipset (just in windows itself). And I'm still having problems with it, so I don't think this fixed it. Or did I download the wrong one?

    I downloaded:
    Z170-DELUXE BIOS 3401

    And:
    Intel_chipset_10.1.1.38

    If I should add more info, or pictures or anything please say so, because I REALLY want this problem solved
  5. As I read the PC didn't​ start and now it starts.
  6. lakimens said:
    As I read the PC didn't​ start and now it starts.


    No it won't start when I press the power button. Only when I press CLR_CMOS, what resets everything, let me go to my BIOS so I can select to start my SSD. From here I can start to Windows and everything runs as normal.
    But the moment I turn off my pc, I can't start it again with the power button (maybe 1 /100 times it does start with the power button). Only with that CLR button.

    If it would help I could make a video of what it does and doesn't do to make it a bit more clear.
  7. When you select SSD, do you go Force boot from. SSD or you go into boot options and select the SSD as the primary.
    Might help to plug it in another port on the motherboard. Just found a pic of the motherboard and one is marked as OS DRIVE.
  8. lakimens said:
    When you select SSD, do you go Force boot from. SSD or you go into boot options and select the SSD as the primary.
    Might help to plug it in another port on the motherboard. Just found a pic of the motherboard and one is marked as OS DRIVE.


    I just select the SSD as primary, I don't force it.
    And I will try to do so! Because It's not in that particulair slot. But can that cause the whole pc to not even wanna start? (so the LED's won't light or anything, no BIOS that starts).
    To me it sounded like the Motherboard is sort of having problems with my power button. But since I tried the button from my old case, which gave the same results, it's probably not a faulty case.
  9. If that's not the problem, I don't know what it can be, maybe RMA is the solution after this.
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