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ASUS Z170-A, "Boot device" LED on and crashing on boot


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#1 chaosrealm93

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Posted 10 December 2016 - 10:32 PM

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 (compatibility 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 =(



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#2 ranchhand_

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Posted 10 December 2016 - 11:22 PM

Since this is a newbuild, I assume that you have no data on it yet. Start from scratch and do a bench build. If I were to have your computer on my workbench, I would remove all components and follow this procedure and you will find your problem. The method that I use with problems like these is to test all components 1X1 until you find the problem, and it takes a lot of time posting back and forth. Doing a bench build is the fastest way to locate the problem, especially if it is the CPU, motherboard, or power supply which are very difficult to diagnose.

[EDIT]: afterthought.....these components are still under warranty, and most retailers allow a certain number of days and will return/exchange bad parts; if you wait too long that will expire and you will have to deal with the manufacturer and that can be a very frustrating experience. Just a thought.


Edited by ranchhand_, 10 December 2016 - 11:26 PM.

Help Requests: If there is no reply after 3 days I remove the thread from my answer list. For further help PM me.


#3 dc3

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Posted 11 December 2016 - 12:02 PM

Try running the Startup repair from the System Recovery Options using the installation media.

 


Repair Installation Instructions
 
Attention:  In order to boot from the installation disc you may need to change the boot order in the BIOS so that the optical driver is the first device in the boot order, and the HDD/SSD is the second devcice.
 
1.  Place the installation disc in the tray of the CD/DVD drive, close the tray and restart the computer.
 
2.  You will be prompted to press any key to start the installation, do so.
 
At this point the setup process will load files, this will take several minutes.
 
3.  You will now need to choose the  Language, Time and currency format, and Keyboard or input method that you'd like to use.
 
After this is done click on Next.
 
w71_zps6dbda47e.png
 
4.  Click on the Repair your computer link at the bottom-left of the Install Windows window.
 
This link will begin the Windows 7 System Recovery Options.
 
w72_zps2a656a0c.png
 
5.  System Recovery Options will now search your hard drive(s) for any Windows 7 installations.  This will take several minutes.
 
No participation is required on your part at this time, wait till it has finished and the next window opens.
 
w73_zpsd5483f05.png
 
6.  Choose the Windows 7 installation that you'd like to perform the Startup Repair on, then click on Next
 
w74_zps490f9a17.png
 
7.  Click on the Startup Repair link from list of recovery tools in System Recovery Options.
 
w75_zps9941e858.png
 
For a future reference, there are several other diagnostic and recovery tools available in the Windows 7 System Recovery Options including System Restore, System Image Recovery, Windows Memory Diagnostic, and Command Prompt.
 
8.  The Startup Repair tool will now search for problems in the system files.
 
If Startup Repair finds a problem with any system files the tool may suggest a solution which you will need to confirm, or may solve the problem automatically.
 
w76_zps3dd75d83.png
 
9.  Startup Repair will now attempt to repair whatever problems it found with system files.  
 
Note:  If Startup Repair did not find any problems with system files you won't see this step.
 
w77_zpsd8be95eb.png
 
Important: Your computer may or may not restart several times during this repair process.  This is normal, you should allow it to continue until you see the Restart your computer to complete the repairs window. 
 
10.  Click on Finish, this will restart your computer.
 
w78_zpsd49257fb.png
 
It is possible that the Startup Repair will not be able to fix the problem.  If the Startup Repair tool determines this, it may automatically run the the repair after your computer restarts.  If it does not automatically run the repair but you are still having problems with Windows 7 repeat these steps to run Startup Repair again manually.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Edited by dc3, 11 December 2016 - 12:03 PM.

Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 


#4 shadow_647

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Posted 11 December 2016 - 03:03 PM

i cannot flash the BIOS anymore, any version i try to load comes back with the message "selected file is not a proper BIOS"

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

 

 

That cant be good, and yes their is.

All most got a EEProm reprogramer my self at one point and their cheap, sadly doing that kind of thing is hardcore and you really need to know what your doing, from the pics of seen of your mobo it seems the bios chip is removable so it should be possible, don't know how many computer stores can do it though.

 

Btw how did you flash your bios ? not in windows i hope.

 

http://www.ebay.com/bhp/eprom-programmer



#5 dc3

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Posted 11 December 2016 - 04:14 PM

 

i cannot flash the BIOS anymore, any version i try to load comes back with the message "selected file is not a proper BIOS"

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

 

 

That cant be good, and yes their is.

All most got a EEProm reprogramer my self at one point and their cheap, sadly doing that kind of thing is hardcore and you really need to know what your doing, from the pics of seen of your mobo it seems the bios chip is removable so it should be possible, don't know how many computer stores can do it though.

 

Btw how did you flash your bios ? not in windows i hope.

 

http://www.ebay.com/bhp/eprom-programmer

 

This isn't "hardcore", but you would need to know what you are doing, have the EEPROM chip and the data and the burner.  But there is no reason to take that route.  There are websites which sell the programed chips for most all computer BIOS, like BIOSFLASH.   This is especially true if the IC is set in a chip socket.  If this was soldered to the motherboard this would create a whole different situation, one that I would not suggest a novice attempt.

 

We need to know what the op has attempted in order to understand why they can no longer flash the BIOS.


Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 


#6 dc3

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Posted 11 December 2016 - 04:20 PM

chaosrealm93

 

What website are you using to flash the BIOS?

 

I still believe you should run the startup repair.

 

The suggestion to replace the BIOS chip is a little overkill and may not even be needed.


Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 


#7 shadow_647

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Posted 11 December 2016 - 05:16 PM

Agreed on all counts, btw nice link and by hardcore i meant you need to know what your doing :P

Most of the people with no posts here don't seem to even know the basics sadly, but this place is here to help computer nubs so all good.

 

If you look close at the pics on this site for his mobo you can see a Zero insertion force socket with a 8 pin chip, im guessing that's the bios.

 

http://www.newegg.ca/Product/Product.aspx?Item=N82E16813132566

 

Edit: missing link


Edited by shadow_647, 12 December 2016 - 12:11 PM.


#8 chaosrealm93

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Posted 11 December 2016 - 06:42 PM

 

Try running the Startup repair from the System Recovery Options using the installation media.

 

 

 

 

last time i tried, the program said there was nothing wrong with my system


Edited by chaosrealm93, 11 December 2016 - 06:44 PM.


#9 chaosrealm93

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Posted 11 December 2016 - 06:44 PM

chaosrealm93

 

What website are you using to flash the BIOS?

 

I still believe you should run the startup repair.

 

The suggestion to replace the BIOS chip is a little overkill and may not even be needed.

 

i used the ASUS Z170-A support website to get my BIOS file, then onto a FAT32 USB drive and flashed it using the onboard EZ Flash 3 program

 

https://www.asus.com/ca-en/Motherboards/Z170-A/HelpDesk_Download/


 

i cannot flash the BIOS anymore, any version i try to load comes back with the message "selected file is not a proper BIOS"

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

 

 

That cant be good, and yes their is.

All most got a EEProm reprogramer my self at one point and their cheap, sadly doing that kind of thing is hardcore and you really need to know what your doing, from the pics of seen of your mobo it seems the bios chip is removable so it should be possible, don't know how many computer stores can do it though.

 

Btw how did you flash your bios ? not in windows i hope.

 

http://www.ebay.com/bhp/eprom-programmer

 

no, in BIOS via the EZ Flash 3 program



#10 shadow_647

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Posted 11 December 2016 - 06:55 PM

Funny it will only update from a USB,should be able to update for anyware relly hdd/floppy/usb/cd/dvd etc and i would never use the net for anything on that topic, seems you did it the right way.

Dousen't make sence that you can't flash anything anymore.

 

Could try something weard just for fun download linux mint and run the dvd and see if that boots

linux mint download link

 



#11 dc3

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Posted 12 December 2016 - 08:24 AM

Funny it will only update from a USB,should be able to update for anyware relly hdd/floppy/usb/cd/dvd etc and i would never use the net for anything on that topic, seems you did it the right way.

Dousen't make sence that you can't flash anything anymore.

 

Could try something weard just for fun download linux mint and run the dvd and see if that boots

linux mint download link

 

In order to boot from anything other than the ssd/hdd the boot order would have to be changed to reflect the type of media being used.


Family and loved ones will always be a priority in my daily life.  You never know when one will leave you.

 

 

 

 


#12 shadow_647

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Posted 12 December 2016 - 12:15 PM

True though i was talking about the "EZ Flash 3 program" it will only let you take the flash data from USB or internet, for booting computer yes your right.






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