I should be more precise regarding "beep" codes and Dell computers. Dell's documentation for the Optiplex series indicates that beep codes do exist, and *may" be issued. One Dell page states: "Most...

I doubt it. But, as they say, the hangman's noose focuses the attention most marvelously. My hangman was a system with a mobo with on board video and an AGP upgrade, the noose was the BIOS behavior...

Hmmmm... If the AGP card requires drivers to support the monitor/video during post, I'm a monkey's uncle. I suspect it only has to be recognized by the BIOS as a video device. It's not clear to me...

My Optiplex 260 was upgraded with memory and an additional HDD. The upgrade caused a CMOS change; that change apparently interefered with systems settings established when an AGP Graphics card was...

I've recently seen a case where an add on graphics card in the AGP slot was "lost" to the system during an upgrade, when the CMOS was altered. The result was that no video signal could be propagated,...

If you can find the necessary tools and procedures I've seen it recommended in similar cases that you flash the BIOS and reset the CMOS - probably put in a new CMOS coin battery.

Now flashing the...