Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: ASUS Z170-A, red LED near southbridge on and crashing on boot

10 Dec 2016   #1
chaosrealm93

Windows 7 Pro 64 bit
 
 
ASUS Z170-A, red LED near southbridge on and crashing on boot

This is a new build and I have windows 7 freshly installed. There are 3 main issues im having
  1. computer would get stuck and display a black screen after showing the ASUS logo and the red "Boot Device" LED below the southbridge would stay lit (normally the LED sequence would be CPU LED > RAM LED > PCIe LED > SB LED > then turn off and enter boot)
  2. computer would crash while trying to boot into win 7 and come back with a request to go into windows startup repair. using startup repair would also crash the machine
  3. the computer wouldn't recognize USB devices. i know win 7 doesn't have native support for USB 3, but the problem exists even when i plug it into the 2 USB 2.0 ports
  4. i cannot flash the BIOS anymore, any version i try to load comes back with the message "selected file is not a proper BIOS"

i searched online and found CSM (compatability support module) could be the problem, but i've tried all 3 modes (auto, enabled, disabled) and yielded similar results

i also tried reinstalling win 7 on the same SSD, thinking it might be a bad install, but the problems continue

is there any way to flash an older BIOS onto the board?

parts:
6700k
ASUS Z170-A
Kingston 2x8 16GB 2133mhz

*the BIOS is updated to the latest version

please help =(


My System SpecsSystem Spec
.
11 Dec 2016   #2
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Hello chaos mate I don't know about going back a BIOS version but have you got the RAM sticks in the first to use slots? as some boards use 2&4 for the first two instead of the usual 1&3.

Now I don't know what you have setup in the BIOS as my Asus board in the Ivy Bridge had to have certain settings to run properly or whether you have the drivers for those USB ports installed correctly by that I mean from the Asus site not some other source.

So could you let us know if you have set anything in the BIOS yet??
My System SpecsSystem Spec
11 Dec 2016   #3
chaosrealm93

Windows 7 Pro 64 bit
 
 

first off, thank you for the reply!! i was desperate for some sort of response from anyone

yup, this is one of those boards, it uses the 2&4 DIMMS as defaults

i dont have anything set in the BIOS. i read on the web that the board's CSM (compatability support module) could be the problem, so i toggled the settings between the 3 available, but they all yielded pretty much the same results (crashing/failing to boot) or hanging and displaying the "Boot Device" LED, which according to the manual, means theres something wrong in that general section

i dont have any USB drivers installed yet, because i cant get far enough into windows to install them LOL

i know win 7 doesnt support USB 3 natively and so far ive been using the 2 USB 2.0 ports to do everything, but funny enough, even those ports wont pick up my external hard drive (thats where the drivers are). the drive is USB 3.0, but the drive is backwards compatible (right?)

i could try resetting the BIOS again and see if thats any different, but i highly doubt it (as ive done it before). also the BIOS isnt letting me update (or downgrade) it. im currently at the most recent ver, but any version i load, it says the "file isnt a proper BIOS". i upgraded my BIOS right after i unboxed it, and i think it might have just bricked it...
My System SpecsSystem Spec
.

11 Dec 2016   #4
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Ok mate if you have bricked the BIOS / board then you will not be able to get to the BIOS unless I am terribly mistaken. Now my Asus boards use F2 to get into the BIOS while powering up you just tap that key. Now you should end up seeing a screen something like in my pic it might not be exactly the same but very much like it. In there the Advanced settings are for overclocking setting the boot order the ACHI secure boot or not etc etc
There are lots of settings and they do take a bit of getting used to.

Your drivers are here Access Denied now how you get them updated is going to be a problem if the USB's are not working because I usually load them onto a stick and then run them from it - particularly the LAN and WLAN so that you can get onto the net.

Now you say you cannot get a proper BIOS so just where did you get the BIOS from?? it should have been from the link above - anywhere else is not an option - for me at least.

Anyway let us know if you do have the BIOS come up please.
.
My System SpecsSystem Spec
11 Dec 2016   #5
Megahertz07

Windows 7 HP 64
 
 

To install Win 7 on a Z170:
On BIOS
- Set OS to other
- Disable fast boot
- Disable secure boot
- On CSM set boot to UEFI

To have USB support you have to add the drivers to the Win 7 installation disk. To do so, Asus provide a program to do it.
I fond a way to do it: Create a Windows 7 USB flash installation with new drives for new MB's
My System SpecsSystem Spec
11 Dec 2016   #6
ThrashZone

Win-7-Pro64bit 7-H-Prem-64bit
 
 

Hi,
Yep as far as I've noticed cms would only need to be enabled
Other setting except for uefi should be as Mega... has stated
Using uefi when os type is supposed to be other os seems to me to be a conflict ?

Did you use the asus tool to create the media
Access Denied

Was the hdd or ssd formatted as gpt or normal mbr ?
Hard Drive - GPT or MBR

If the led light is on look through your mother board manual for the error possibilities it applies too.
Flashing bios well that is in it's self a risky thing to do
I've never done that personally a tad too chicken

But MS has released some pretty weird updates that do not apply to any version except Ultimate and enterprise that did effect pro and home premium for a feature we can not even use.
https://support.microsoft.com/en-us/kb/3133977

Access Denied
My System SpecsSystem Spec
11 Dec 2016   #7
chaosrealm93

Windows 7 Pro 64 bit
 
 

Quote   Quote: Originally Posted by ICIT2LOL View Post
Ok mate if you have bricked the BIOS / board then you will not be able to get to the BIOS unless I am terribly mistaken. Now my Asus boards use F2 to get into the BIOS while powering up you just tap that key. Now you should end up seeing a screen something like in my pic it might not be exactly the same but very much like it. In there the Advanced settings are for overclocking setting the boot order the ACHI secure boot or not etc etc
There are lots of settings and they do take a bit of getting used to.

Your drivers are here Access Denied now how you get them updated is going to be a problem if the USB's are not working because I usually load them onto a stick and then run them from it - particularly the LAN and WLAN so that you can get onto the net.

Now you say you cannot get a proper BIOS so just where did you get the BIOS from?? it should have been from the link above - anywhere else is not an option - for me at least.

Anyway let us know if you do have the BIOS come up please.
.
the BIOS comes up, but i cant upgrade or downgrade it. every version i load on my USB stick, including the current version will come back with "the selected file is not a proper BIOS!" when i try to flash it

i got the BIOS off the ASUS support website for the board (your link)
My System SpecsSystem Spec
11 Dec 2016   #8
chaosrealm93

Windows 7 Pro 64 bit
 
 

Quote   Quote: Originally Posted by Megahertz07 View Post
To install Win 7 on a Z170:
On BIOS
- Set OS to other
- Disable fast boot
- Disable secure boot
- On CSM set boot to UEFI

To have USB support you have to add the drivers to the Win 7 installation disk. To do so, Asus provide a program to do it.
I fond a way to do it: Create a Windows 7 USB flash installation with new drives for new MB's
win 7 is already installed on the SSD, i used a legit disc and a DVD drive. i know win 7 doesnt support USB 3.0 natively. you would only need the USB drivers preloaded if you plan to use USB to install win 7 right?

i disabled fast boot but i cant disable secure boot. it only gives me an option to change the OS type (windows UEFI mode OR other OS). it has been on "other OS" the whole time

for CSM, here are the current settings (in bold)
Launch CSM.......................................(Auto, Enabled, Disabled)
Boot Device Control.............................(UEFI and Legacy OPROM, Legacy OPROM only, UEFI Only)
Boot from Network Devices...................(Ignore, Legacy Only)
Boot from Storage Devices....................(Ignore, Legacy Only, UEFI Driver first)
Boot from PCIe/PCI Expansion Devices....(Legacy Only, UEFI driver first)
My System SpecsSystem Spec
11 Dec 2016   #9
chaosrealm93

Windows 7 Pro 64 bit
 
 

Quote   Quote: Originally Posted by ThrashZone View Post
Hi,
Yep as far as I've noticed cms would only need to be enabled
Other setting except for uefi should be as Mega... has stated
Using uefi when os type is supposed to be other os seems to me to be a conflict ?

Did you use the asus tool to create the media
Access Denied

Was the hdd or ssd formatted as gpt or normal mbr ?
Hard Drive - GPT or MBR

If the led light is on look through your mother board manual for the error possibilities it applies too.
Flashing bios well that is in it's self a risky thing to do
I've never done that personally a tad too chicken

But MS has released some pretty weird updates that do not apply to any version except Ultimate and enterprise that did effect pro and home premium for a feature we can not even use.
https://support.microsoft.com/en-us/kb/3133977

Access Denied
the OS type for secure boot was always set as "Other OS"

umm..... but everyone else said to disabled CSM

no, i didnt use the asus tool, i used a legit win 7 disc and a DVD drive

the SSD was formatted using the win 7 installer

the manual doesnt provide much info on why hte LED is on, is just says te LED will turn off when hte problem is solved
My System SpecsSystem Spec
11 Dec 2016   #10
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Ok mate do as megahertz and TZ have said to set in the BIOS any drivers mate you need to get from the Asus site because unless I am reading it wrong you are relying on Windows to install the drivers.
If you have access to another machine then download those drivers to a stick and just try installing from it it might just be that the ports may work doing it like that anyway that is what I would try.

Now the hard drive is that listed as GPT disk or a plain MBR one??
My System SpecsSystem Spec
Reply

 ASUS Z170-A, red LED near southbridge on and crashing on boot




Thread Tools




Similar help and support threads
Thread Forum
Asus Z170-A, Win 7 and USB 3 drivers
so i understand win 7 doesnt support USB 3.0 natively and requires drivers. i've heard people that ran into problems where the windows installer would go no further than the welcome screen because it cannot recognize the USB ports. however the asus z170-a board comes with 2x USB 2.0 ports... ...
Drivers
questionable ASUS Z170-A quality
hey all, after reading the owners' reviews of the Z170-A on newegg, i was shocked to find the amount of DOAs and reports of poor service form ASUS after having encountered a problem. how prevalent / true is this? it seems like poor and declining QC is a common thread among all the...
General Discussion
Windows 7 UEFI install motherboard ASUS Sabertooth Z170 Mark 1
Hi all, I have new mobo Asus Sabertooth Z170 Mark 1. I want to install Windows 7 Home in UEFI mode, but I'm still not successful. Bios settings - SATA Mode Selection - Raid - 2 SSD disks set up in Intel RST as Raid 1 Newest Bios update from 7.1.2016 Boot settings: Launch CSM - Enabled ...
Installation & Setup
Asus Z170-A Motherboard not showing external hard drives
I have a new custom build which I have built and have installed Windows on. The issue I'm having is that when I plug in an external drive, they are not appearing on the PC. They work on other laptops which I've tested and all the USB ports work on the new PC which I tested with the keyboard and...
PC Custom Builds and Overclocking
Asus Exhibits Glorious TUF Sabertooth Z170 Symbol 1 Motherboard
Together with its Z170 lineup, Asus unveiled its TUF Sabertooth Z170 Symbol 1 motherboard. Asus's TUF lineup of motherboards are built to be as tough as they can. "TUF" is a play to the word "tough, " but it surely actually stands for "The Quintessential Force, " with the plan behind the boards...
Hardware & Devices
AMD 890FX Southbridge Driver
I noticed that AMD released a new SB driver (v11.7) on 7-27-11, which I'm pretty sure that I need, but I wanted to check against what is already installed. However, I find nothing in the Device Manager that looks like it...where do I look?
Performance & Maintenance


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

Designer Media Ltd

All times are GMT -5. The time now is 09:24.
Twitter Facebook Google+ Seven Forums iOS App Seven Forums Android App