I recently upgraded my DZ77GA-70K BIOS to GA0066.BIO using the F7 BIOS Flash Update procedure. Since doing that the BIOS screens are no longer visible- completely blank. This means I have no access to the BIOS for configuration changes.
The system works normally after it boots- I'm using a version of Linux. The first time the screen shows anything is when the Linux bootup lines start.
When powered on, the screens are completely blank until Linux starts to boot, except for the brief message I get (as usual) from my Dell monitor saying it has video input, accompanied by seeing the monitor status light go from yellow to green.
I have subsequently tried using the Recovery With USB Device procedure (removing the Bios config jumper and booting with the USB device containing GA9966.BIO) but at no time does anything appear on the screen. In fact, the Dell monitor status light never changes from yellow to green when doing this procedure. After doing this and waiting several minutes, the Post Code Display LED reads "FE", five of the VR Phase LEDs pulse at once per second (VCCP1, VCCP2, VCCP3, VXG1, VXG2), and five of the Diagnostic LEDs are lit steady (CPU INIT, MEM, Video, HD INIT, and OPT).
The bootup is not completely consistent: sometimes I will get a one second flash of some kind of vertical bar test pattern during bootup. And sometimes the machine won't boot at all, even though the Post Code LED reads "00".
Can someone help? This board was purchase a little over one year ago.
Thanks,
Keith Ostertag