[SOLVED] Asus P77Z-V LX

[Nanonab]

Hello all..

i have some trouble to switch to advanced mode in bios, bios ez mode works perfect but when ill switch to advanced mode it just turn black and nothing happens, anyone know what the issue could be.

 

[Darkbreeze]

Yes, your board is old, and the BIOS ROM image is possibly failing. Or, your CMOS battery is weak or dead.

I'd try replacing the CMOS battery, which is a CR2032, first, and I'd like to say try flashing the most current BIOS after that to see if that cures the problem but if you are having issues with the BIOS turning black then I wouldn't recommend trying to flash it at all. Try the replacement of the CMOS battery and see if that helps.

 

[Nanonab]

Alright changing CMOS Battery hope it works. Thx for quick response. Cheers

 

[Darkbreeze]

If you have access to a volt meter, make sure any battery you get does not have less than 3 volts. I've bought a number of packaged CR2032 batteries right off the shelf at the stores, because these are typically not fast movers and might sit around a while, that when I took them home had around 2.8v and had to be taken back and replaced.

Also, if you DO have a volt meter or can borrow one, you can test the voltage of your current CMOS battery to see what it's voltage is actually at. Considering the age of your board I'm sure it's less than 3v by now though.

 

[Nanonab]

Checked the battery with a multimeter, shows 3v so should be fine iguess

 

[Darkbreeze]

Yes, if it has 3v it is fine.

Maybe try doing a hard reset on the BIOS, and then see if you can get into advanced mode.

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 five minutes. In some cases it may be necessary to remove the graphics card to access the CMOS battery.

During that five minutes, press the power button on the case, continuously, for 30 seconds. 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.

 

[Nanonab]

Okey ill give it a try, Thx.

 

[Darkbreeze]

Also, try a different video output if possible. I've seen some BIOS that were weird about switching the active output on some older boards when going into the BIOS or switching modes.