Yellow Triangle With Exclamation Point Toyota. Dash warning light is red triangle with exclamation point inside has been coming on intermittently. Mechanic's Assistant: Have you checked the battery, particularly the terminal connections?
When I come back to my computer after several hours of 'inactivity', I am finding a yellow triangle with an exclamation point in my system tray.
Under system probably all the yellow triangles will be listed with more details of what caused them.
Those being said, the exclamation point in the triangle is the general "I don't like something" symbol. A yellow triangle with an exclamation point next to a device in Device Manager means that there's an issue with the device. You can fix it by going to your Programs control panel, clicking on iCloud, selecting Change and then performing a repair.