02-23-2014 03:14 AM
I use HP z420, which have no graphic chip onboard.
I use one graphic card inserted in PCIe slot.
I just setting the bios to disable all the PCIe slots stupidly.
When I reboot z420, it beeps 6 times, once every second.
According to the manual, it indicates the Pre-video graphics error.
Is it because I disable the PCIe slots, and how can I enable them?
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02-23-2014 08:00 AM
You may also want to post your question on the HP Business Support Forum, z Workstations section.
If it were me, I would shut down, unplug everything connected to the PC (keyboard, monitor, mouse, etc) and reset the CMOS.
There should be a little yellow clear cmos button on the motherboard somewhere.
Press and hold it for 30 seconds and then put everything back together.