Asus Maximus IV Extreme P67 revision B3 motherboard troubleshooting

Some problems I encountered and solutions to them.

Asus Maximus IV Extreme P67 revision B3 motherboard

Asus Maximus IV Extreme P67 revision B3 motherboard

It will not POST (power-on self tests)

When you first get this motherboard, it comes with BIOS version 3.00 (as indicated right on the retail box as “revision B3”). If you have a newer CPU, and it is listed compatible with this mobo’s LGA1155 socket but will not POST (when everything is compatible and functioning, and the PC speaker is connected, there is a single beep to confirm that POST completed successfully), then you might need to update the mobo’s BIOS. Your first indicator that something isn’t configured correctly or not compatible would be to locate the Q LEDs on the mobo itself (refer to the user manual, they are hard to see behind the SATA connectors). But there’s also the helpful Debug LEDs that will give you a number (it might be more confusing than helpful). Instinctively, you might not want to run the setup open-case, but it’s actually encouraged when you’re troubleshooting and especially for over-clockers.

Of course, you won’t be able to flash a new BIOS onto the mobo unless you have a functioning CPU. This is where ROG Connect and USB Flashback, new technologies featured with this mobo, come into play. Head over to Asus official website and download the latest BIOS for this mobo. Rename it to M4E.rom because that is the abbreviation for this mobo model (it’d be something else for another model mobo). Copy that onto a FAT32-formatted USB stick (IMPORTANT, make sure it’s FAT16 or FAT32 format). Plug your mobo up to a power source (minimum required is the 24-pin and the 8-pin, because EZ_Plug 1 and 2 are when you have more than one GPU), nothing else required (not even a CPU, because you’re only updating the BIOS chip memory), plug the USB stick containing the new BIOS into the ROG Connect port (IMPORTANT, you can’t plug it into any other USB port) and press the ROG Connect button. The LED should start blinking while it flashes the new BIOS onto the mobo. Once the LED stops blinking, your BIOS has been updated. Finally, connect the CPU and other components to the mobo and see if it runs smoothly now. Good luck!


Screen turns black after Windows login

Although this motherboard comes with a built-in GPU (it’s essentially the same CPU cores), you still need a dedicated GPU to send out an image to your display device. If you are using the first PCIe slot, which is a combo x16/x8 slot, the mobo automatically cuts to the lower bus speed (x8) to conserve electricity. Plug the GPU into the second or fourth PCIe slots, which are dedicated x16 speed, and it should work.


It doesn’t detect EIDE/PATA hard drive with SATA adapter

I’m using a Rosewill RC-204 IDE to SATA Host Adapter for an old 320 GB Western Digital EIDE hard drive. I managed to get it to work by following the shoddy English instructions that came with it. Pretty much, you need to set the jumper settings on the EIDE hard drive to Master (because you’ll need to draw enough power for the adapter board, too) and make sure all the connectors are set. And it should work. Make sure your case has sufficient room because it can get awkward to fit the new adapter in.

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