My PC won't detect my monitor

Peripherals

Peripherals
Dell Monitors, Printers, Projectors, Hardware and Software discussion

My PC won't detect my monitor

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I just bought a XPS 9000 with GeForce 210 with two DVI port. My monitor is a 23" Dell       . I don't have any problem when plugged with my VGA cable. But when I try to use my HDMI cable my screen shows no signal and goes on to sleeping mode because it receives no signal from PC. I'm using a HDMI connection on the monitor and an DVI adaptor on the PC side. Sometimes it works if I unplug the vga and then plus the hdmi. But when the hdmi is alredy plugged in on booting I first see the initial windows animation but then the screen falls asleep before authentication step. After there nothing to wake it up.

Is there anybody willing to help on this? Tx

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