Question Can't get into advanced mode in bios

May 6, 2021
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Hello!
I have an Asus z87-a motherboard which works fine except that I cant access advanced mode in bios. I can get into bios without any issues but when I try to enter advanced mode the screen turns black and nothing happens. I've tried to reinstall windows, clear CMOS by using the jumper and the battery method without any success. Is there anything else I can do to solve this problem?

Thank you,

Joel
 

Lutfij

Titan
Moderator
Welcome to the forums, newcomer!

What BIOS version are you currently on for your motherboard? You might want to disconnect from the power outlet, disconnect all parts, remove the sticks of ram and remove the CMOS battery for at least 30 mins before replacing. What 2 slots are the rams populating, assuming you're on a dual channel memory config...?
 

Darkbreeze

Retired Mod
If that's the case then you have only a few options.

One is to send it back to ASUS for repair, which will cost you and might not even be possible if they deem the board too old.

Two, if the board has a replaceable BIOS ROM, you may, maybe, be able to source a replace online or through the manufacturer.

Three, flashing a newer BIOS version, if one is available, or RE-flashing the current BIOS version, to restore the BIOS image back to it's uncorrupted state. Keep in mind though, that flashing the BIOS, ANY time there is a problem of any kind with a given motherboard could potentially result in a bricked board if the flash fails or is interrupted due to some existing fault on the board.

Your only other option really is to TRY a hard reset.

BIOS Hard Reset procedure

Power off the unit, switch the PSU off and unplug the PSU cord from either the wall or the power supply.

Remove the motherboard CMOS battery for about three to five minutes. In some cases it may be necessary to remove the graphics card to access the CMOS battery.

During that five minutes while the CMOS battery is out of the motherboard, press the power button on the case, continuously, for 15-30 seconds, in order to deplete any residual charge that might be present in the CMOS circuit. After the five minutes is up, reinstall the CMOS battery making sure to insert it with the correct side up just as it came out.

If you had to remove the graphics card you can now reinstall it, but remember to reconnect your power cables if there were any attached to it as well as your display cable.

Now, plug the power supply cable back in, switch the PSU back on and power up the system. It should display the POST screen and the options to enter CMOS/BIOS setup. Enter the bios setup program and reconfigure the boot settings for either the Windows boot manager or for legacy systems, the drive your OS is installed on if necessary.

Save settings and exit. If the system will POST and boot then you can move forward from there including going back into the bios and configuring any other custom settings you may need to configure such as Memory XMP, A-XMP or D.O.C.P profile settings, custom fan profile settings or other specific settings you may have previously had configured that were wiped out by resetting the CMOS.

In some cases it may be necessary when you go into the BIOS after a reset, to load the Optimal default or Default values and then save settings, to actually get the hardware tables to reset in the boot manager.

It is probably also worth mentioning that for anything that might require an attempt to DO a hard reset in the first place, IF the problem is related to a lack of video signal, it is a GOOD IDEA to try a different type of display as many systems will not work properly for some reason with displayport configurations. It is worth trying HDMI if you are having no display or lack of visual ability to enter the BIOS, or no signal messages.

Trying a different monitor as well, if possible, is also a good idea if there is a lack of display. It happens.
 

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