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My old Macpro 1.1 with plenty of HD space using 10.6.8 was working perfectly but when switched on again later the monitor was not showing a light and despite turning it on and off a few times I can't get it to come alive. Is there some way I can get it on again or should I consider it dead?
Any help here will be much appreciated. Ta.
to get a Mac display to become active, you need the Mac to query the display, and the display to answer with its name and capabilities. Otherwise, the display will not be shown as present, and no data will be sent to the display. "No signal detected" is generated by the DISPLAY, not by the Mac.
This query is only sent at certain times:
• at startup
• at wake from sleep
• at insertion of the Mac-end of the display-cable, provided everything on that cable is ready-to-go
• on invoking Option-(Detect Display) button in Displays preferences (from another display)
so try doing some of those things and see if the display comes alive.
Modern Displays with multiple ports are sometimes busy scanning the other ports, looking for an input, and miss the query from the Mac. They need to pay attention to the port you are actually using, or they will miss the query.
Some displays have On-Screen Display settings that can be used to tell the display a computer is attached on a certain port, or a certain port should be highest priority. Changing those may make your display more responsive.
Some displays include their own private "sleep" settings for the display alone. This can allow the display to enter its own sleep mode, on top of the Mac's not sending it data. A display that is sleeping on its own cannot respond to the Mac's query, and will stay dark.
Thanks for your help, Grant. I'm in the UK by the way. I went through the wiring connects and found that one was nt right fully home on the Macpro 1.1 box; that proved the problem.
Ron
if you have an HDMI output (or can connect some adapters) on any of your cards, you can use an HD TV for testing.
DVI converts to HDMI with an "all wires" adapter, cheap.
Mac Pro 1.1 monitor no light, boot-up appears okay. Dead Monitor?
