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CANNOT ENTER BIOS

post #1 of 21
Thread Starter 
Motherboard Asus Maximus VI Formula.
I have just finished my new Build.
I did a test start a few weeks ago( no OS) and I could enter the BIOS all components working everything fine. Since then I have installed a comprehensive Watercooling Loop and add Fans, LED lights, and another SSD
( all checked before installation). Now my PC will not start.
It fires up for about 10 seconds with all fans, lights and water pump working. then it shuts down, I have double check all my connections( as I thought they may have got dislodged while installing the watercooling components ) .Fans and lighting , water pump are all fine, having check them on a external power supply.
My PSU is a Corsair AX 860i and it was working fine in my first test. Checked again all connections both previous and new to Fans etc.
Can you help?
Obivously 10 seconds is not even long enough to get into the Bios.
Monitor and Keyboard were also working on my first Test ( all my components are new)
PS. I did a USB Bios flashback before my first test and it updated to the most recent, work fine then.
Edited by Megabit - 4/17/14 at 1:05pm
post #2 of 21
if you installed a waterblock there is a slight chance you cracked your mobo.. just saying. I did it before. sounds familiar.

have you tried to take the battery out and reset bios just in case
post #3 of 21
What motherboard?

And to do a bios reset you have to also unplug the PSU from the wall.
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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post #4 of 21
...if unplugging the PSU fails, an additional step would be to take the mobo battery out for a few moments as well when the PSU is unplugged, forcing a complete reset of all settings...this will only help if the issue is not 'mechanical', ie damaged cables, board, PSU etc but worth a try
post #5 of 21
Quote:
Originally Posted by Joa3d43 View Post

...if unplugging the PSU fails, an additional step would be to take the mobo battery out for a few moments as well when the PSU is unplugged, forcing a complete reset of all settings...this will only help if the issue is not 'mechanical', ie damaged cables, board, PSU etc but worth a try
You have to do both.
All power to the bios chip must be turned off to get it to reset.
It is powered both by the bios battery and the PSU -- even when the PSU is turned off. That;s why you have to unplug it.
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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post #6 of 21
^ I dont think you need to unplug the psu but you might as well do it anyways

switching it off should be fine.
I don't even think thats necessary honestly


and it says in OP "Motherboard Asus Maximus VI Formula."
so you just hold the circle arrow button on the usbheaders area of the mobo in for 5-10seconds(thats how my rive does it atleast)

if that doesn't work you can try to reseat the ram or/and cpu if you took those out during installation
Edited by tatmMRKIV - 4/17/14 at 4:50pm
post #7 of 21
All ATX12V 2.0 power supplies power the bios chip when turned off.
Also it helps (ie speedup draining the power, if you move the CTRL jumper too.

And, you can run a computer with the bios battery removed!
Edited by billbartuska - 4/17/14 at 4:59pm
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
Reply
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
Reply
post #8 of 21
Quote:
Originally Posted by tatmMRKIV View Post

^ I dont think you need to unplug the psu but you might as well do it anyways

switching it off should be fine.
I don't even think thats necessary honestly


and it says in OP "Motherboard Asus Maximus VI Formula."
so you just hold the circle arrow button on the usbheaders area of the mobo in for 5-10seconds(thats how my rive does it atleast)

if that doesn't work you can try to reseat the ram or/and cpu if you took those out during installation

Not only you need to unplug the psu but you also need to hold the power button for 15 second to drain all the power left. Also try unplugging the new ssd you just put in, and try 1 stick of ram. There no fast way around it. Start unplugging one item at a time until it works.
My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k 4.5GHZ 1.33Vcore Asus P8P67 Deluxe B3 GIGABYTE 570 GTX 13I Rev2 G Skill 1600 2x2 set 
Hard DriveCoolingOSMonitor
kingston hyperx 3k  xspc rs 240 kit windows 7 64bit 22" viewsomic hd led 
Power
Seasonic x750 
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My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k 4.5GHZ 1.33Vcore Asus P8P67 Deluxe B3 GIGABYTE 570 GTX 13I Rev2 G Skill 1600 2x2 set 
Hard DriveCoolingOSMonitor
kingston hyperx 3k  xspc rs 240 kit windows 7 64bit 22" viewsomic hd led 
Power
Seasonic x750 
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post #9 of 21
just to reset the bios?



takes 5 seconds on my rive

5 seconds on my asrock z87m ocf



if you unplug the psu how will the bios reset button work even?
post #10 of 21
Quote:
Originally Posted by tatmMRKIV View Post

if you unplug the psu how will the bios reset button work even?

I've never had a motherboard with a bios reset button.
On my last three I just added a switch for the bios battery.



My current Asus M5A99x EVO R2 has a bios reflash button (That will reflash the bios from a USB stick), but nothing to do a bios reset.

What motherboard and what button?
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
Reply
My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
  hide details  
Reply
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