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Launch CSM disabled and boot hangs when USB is connected.

post #1 of 7
Thread Starter 
As title.
I disabled Launch CSM in bios for faster boot, boot is faster but it hangs if I connect the usb of my monitor.
My monitor is connected to GPU via DVI, USB is used only for monitor management software.

Rigs specs are in signature.

I have other peripherals connected on the USB like UPS and a webcam, with this two peripherals connected I have no problem but if I connect the monitor too the system hangs on boot.
The only way to boot properly when usb monitor is connected is to enable launch csm.

Is there a workaroung to connect my monitor and boot with csm disabled?
Edited by sblantipodi - 11/11/15 at 3:10am
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post #2 of 7
Get a real monitor with dvi or dp hdmi unless you dont have a gpu capable. Iv only ever used usb monitor whwn clients pcs were dropped off with no gpu or lame igpus. Could also boot comp wait 20-30 seconds connect monitor.
post #3 of 7
Thread Starter 
Quote:
Originally Posted by Shadowarez View Post

Get a real monitor with dvi or dp hdmi unless you dont have a gpu capable. Iv only ever used usb monitor whwn clients pcs were dropped off with no gpu or lame igpus. Could also boot comp wait 20-30 seconds connect monitor.

My monitor is connected to GPU via DVI, USB is used only for monitor management software.
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post #4 of 7
Ahh thought it was one of those usb monitors
I just reinstalled win 7 got sick of 10. I had some issues with booting win 7 from usb had to burn it to disk to see raided ssd's if csm is causing issue should be able to leave enabled but tweak settings.
post #5 of 7
Thread Starter 
at the end I re-enabled CSM, Asus X99 Deluxe is too crappy,
no way to boot without problems with full fast boot (CSM disabled, SATA hard drive only)
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post #6 of 7
Quote:
Originally Posted by sblantipodi View Post

at the end I re-enabled CSM, Asus X99 Deluxe is too crappy,
no way to boot without problems with full fast boot (CSM disabled, SATA hard drive only)

I re-enabled my CSM as well. I have 2 things connected to the USB port, my keyboard and mouse that is it. Still with CSM disabled it is really a lottery on whether or not the system boots. I would rather it take 50 seconds to boot than 4 20 second tries.
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Air 540 x99
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post #7 of 7
Thread Starter 
Quote:
Originally Posted by Vperez View Post

I re-enabled my CSM as well. I have 2 things connected to the USB port, my keyboard and mouse that is it. Still with CSM disabled it is really a lottery on whether or not the system boots. I would rather it take 50 seconds to boot than 4 20 second tries.

quite sad that asus doesn't invested on this board. this board is a complete mess, most of the features does not work as expected.
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Intel i7 5930K Asus X99 Deluxe EVGA GTX980 Ti SC+ ACX2.0+ SLI 4x4GB Corsair Vengeance LPX 2800@2666MHz 15-15-... 
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Samsung 950 PRO NVMe M.2 512GB Samsung 850 EVO 1TB Western Digital Black 2TB Corsair Force GT 240GB 
Optical DriveCoolingOSMonitor
Plextor PX-B320SA Blu-ray Corsair H80i AIO Windows 10, CentOS 7 EIZO S2433W 24.1" 1920x1200 60Hz 
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Corsair AX860i Lian-li PC7FNWX Gigabit Internet Cyberpower Smart UPS PR1500ELCD 1500VA/1350W Si... 
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DeskStar
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CPUMotherboardGraphicsRAM
Intel i7 5930K Asus X99 Deluxe EVGA GTX980 Ti SC+ ACX2.0+ SLI 4x4GB Corsair Vengeance LPX 2800@2666MHz 15-15-... 
Hard DriveHard DriveHard DriveHard Drive
Samsung 950 PRO NVMe M.2 512GB Samsung 850 EVO 1TB Western Digital Black 2TB Corsair Force GT 240GB 
Optical DriveCoolingOSMonitor
Plextor PX-B320SA Blu-ray Corsair H80i AIO Windows 10, CentOS 7 EIZO S2433W 24.1" 1920x1200 60Hz 
PowerCaseOtherOther
Corsair AX860i Lian-li PC7FNWX Gigabit Internet Cyberpower Smart UPS PR1500ELCD 1500VA/1350W Si... 
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