short, short, short – The display is detecting either a wrong video format, or an unsupported resolution. Verify that your equipment is compatible, and then restart the computer. If the issue continues, reset the PRAM. If you have reset the PRAM and are still getting the error, shut down the computer, power cycle the Cinema Display, then turn the computer back on.short, long, short – Make sure you are using the correct power adapter with the display. This alert will only appear on displays built in 2004 or later, which require an external power adapter.short, short, long – The display is detecting a backlight error. Check your display’s power connections and restart the computer. If the problem continues, contact Apple or an Apple Authorized Service Provider.
short, long, short – Make sure you are using the correct power adapter with the display. This alert will only appear on displays built in 2004 or later, which require an external power adapter.
het patroon is short long short.Helaas heb ik van electronica geen kaas gegeten. Ik ben niet handig.Een voedingsadapter is duur.
I found a forum post that explains the connection in detail. The connector is the same for all displays, but a higher wattage adapter is required for the 30" model. To sum up the forum post, the connector has a symmetrical pinout like this:Pins 1,2,3,4,5|+24.5VDC|-24.5VDC|SENSE|-24.5VDC|+24.5VDC|
Zou ik niet beter een nieuw scherm kopen? Voor 199 EUR heb ik deze of deze.Passen qua design het best bij mijn Mac Pro 5,1.
Dat lijkt mij een veel beter idee inderdaad! puk1980 weet wel of dit wat is ..