- Dec 2, 2015
- 2
- 0
- 4,510
I bought this new motherboard after I spilled some water on my computer about 6 months ago, and it worked over the first 4 months. However, I've been having this problem consistently for almost 2 months and I have been dealing with ASUS customer support for their RMA process. I would like to say that they have been professional and courteous, but they have not been able to solve the problem.
The Problem:
Upon startup, the motherboard will beep once (VGA detected, Quick Boot disabled, no keyboard detected) and the Boot Device LED will turn on and be consistently on. The screen will display "Please press DEL or F2 to enter UEFI BIOS setting" and then nothing will happen. The keyboard numlock will turn on, but pressing the delete or F2 key does nothing. The system will hang like this until the machine is turned off and it will happen every time the computer is turned on.
The System:
ASUS M5A99FX Pro R2.0 Motherboard
AMD FX-8120 CPU
16GB (4 x 4GB) KomputerBay DDR3 RAM
EVGA Geforce GTX 460SE GPU
Crucial MX100 256GB SSD (Boot with Windows 10 Pro)
Western Digital Caviar Black 1TB HDD
Samsung HD103SI 1TB HDD
Corsair GS600 600W PSU
The Attempts:
I tried rebuilding the system outside of the case with a single stick of RAM, just the boot drive, no extra stuff, no change.
I tried the keyboard on a different system, it worked fine.
I tried different keyboards, PS/2 and USB, no change.
I tried resetting the RAM with the MEMOK button, no change.
I tried every SATA port and every SATA cable with the boot drive, no change.
I tried using the same boot drive in my friend's computer, and it worked first try, every time.
I tried to update the BIOS using the BIOS Flashback USB method, the BIOS updated twice and would not update after that. No change.
I tried resetting the CMOS, both the RTC and the battery, no change.
I tried booting direct to BIOS with the "DirectKey" but it would first show the error, and never get to BIOS.
I tried booting from a USB, no port worked to boot from USB.
I tried removing power and unplugging everything to drain any excess power from the system for a week, no change.
I tried moving the CPU fan to a different plug, and this was the only thing that changed anything. Twice randomly, the CPU was detected as overheating, and it would pop up with a different error, which would make the keyboard work, and the error could be exited and then Windows could boot up. But the computer would randomly crash and the keyboard could not bring up task manager, which forced the computer to be reset, and the original error would remain.
I returned the motherboard to ASUS for the RMA, no change.
I returned the motherboard again for a second RMA, no change.
I contacted ASUS and did a "Cross-Ship" RMA where they gave me a new motherboard, and here's the weird thing, THE PROBLEM IS STILL HERE.
Moving Forward:
At this point, I don't know what it could be. When I got the new motherboard, the CPU fan did the same thing it had before and caused a different error. I checked the BIOS and only 8 GB of the RAM was detected. I tried a single stick in each slot individually, and the two slots closest to the CPU (DIMM_A1 and DIMM_A2) will not recognize any of my RAM. I was able to exit and boot to windows, and it said "16 GB ram, 8 GB usable" so I have no clue what's wrong with that. I think it could be the Processor or some strange problem in the system that I haven't accounted for yet, but I have no idea what to try now. Any help would be very much appreciated.
The Problem:
Upon startup, the motherboard will beep once (VGA detected, Quick Boot disabled, no keyboard detected) and the Boot Device LED will turn on and be consistently on. The screen will display "Please press DEL or F2 to enter UEFI BIOS setting" and then nothing will happen. The keyboard numlock will turn on, but pressing the delete or F2 key does nothing. The system will hang like this until the machine is turned off and it will happen every time the computer is turned on.
The System:
ASUS M5A99FX Pro R2.0 Motherboard
AMD FX-8120 CPU
16GB (4 x 4GB) KomputerBay DDR3 RAM
EVGA Geforce GTX 460SE GPU
Crucial MX100 256GB SSD (Boot with Windows 10 Pro)
Western Digital Caviar Black 1TB HDD
Samsung HD103SI 1TB HDD
Corsair GS600 600W PSU
The Attempts:
I tried rebuilding the system outside of the case with a single stick of RAM, just the boot drive, no extra stuff, no change.
I tried the keyboard on a different system, it worked fine.
I tried different keyboards, PS/2 and USB, no change.
I tried resetting the RAM with the MEMOK button, no change.
I tried every SATA port and every SATA cable with the boot drive, no change.
I tried using the same boot drive in my friend's computer, and it worked first try, every time.
I tried to update the BIOS using the BIOS Flashback USB method, the BIOS updated twice and would not update after that. No change.
I tried resetting the CMOS, both the RTC and the battery, no change.
I tried booting direct to BIOS with the "DirectKey" but it would first show the error, and never get to BIOS.
I tried booting from a USB, no port worked to boot from USB.
I tried removing power and unplugging everything to drain any excess power from the system for a week, no change.
I tried moving the CPU fan to a different plug, and this was the only thing that changed anything. Twice randomly, the CPU was detected as overheating, and it would pop up with a different error, which would make the keyboard work, and the error could be exited and then Windows could boot up. But the computer would randomly crash and the keyboard could not bring up task manager, which forced the computer to be reset, and the original error would remain.
I returned the motherboard to ASUS for the RMA, no change.
I returned the motherboard again for a second RMA, no change.
I contacted ASUS and did a "Cross-Ship" RMA where they gave me a new motherboard, and here's the weird thing, THE PROBLEM IS STILL HERE.
Moving Forward:
At this point, I don't know what it could be. When I got the new motherboard, the CPU fan did the same thing it had before and caused a different error. I checked the BIOS and only 8 GB of the RAM was detected. I tried a single stick in each slot individually, and the two slots closest to the CPU (DIMM_A1 and DIMM_A2) will not recognize any of my RAM. I was able to exit and boot to windows, and it said "16 GB ram, 8 GB usable" so I have no clue what's wrong with that. I think it could be the Processor or some strange problem in the system that I haven't accounted for yet, but I have no idea what to try now. Any help would be very much appreciated.
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