Problem of displayport Dell u2711 "entering power saving mode".

Problem started when I replaced the cable DVI with a cable Displayport (have a Sapphire 5670 card) several times the monitor would not start after "standby mode", and now she starts hardly at all at power on the PC even cold state, I know is not the cable or the PC, and it is not the ATI drivers either because I don't even get the start controls It is only black and says "power saving mode between" IF I get the PC to start and pause in the dos commands before windows starts and before turning off the monitor when it is paused, it won't start again, so the problem must be the sapphire graphics card or monitor Dell, but how do I know? I don't know anyone with a displayport monitor or video card to test with.

I thought that I had this problem fixed following the advice above in the forum.  However, in recent weeks it has reappeared.  It's OK on the DVI connection, display port is the problem.  The only way I can get the monitor to awaken on display port is:

1. remove the power plug

2. hold the button to get a full release

3. reconnect power.

Not much of a fix and really annoying when moving between workstations share the monitors.  Two screens were not supposed to be upscale and inexpensive.

My company is no longer produced Dell purchases.

Tags: Dell Peripherals

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