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September 26th, 2013 10:00

ST2421L Keeps Going to Sleep

Hi.  I have a Dell ST2421L Monitor and use it as an external monitor with my macbook air.  While I'm using it the monitor randomly goes to sleep for a few seconds and then comes back.  This happens numerous times while I'm working.  This is not a setting on my macbook air.  Can anyone help?  It's driving me crazy!  Thanks!

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953 Posts

September 26th, 2013 11:00

Hi MelanieR85,

We do not test our monitors with any apple proprietary hardware or software. Please check the below mentioned Announcements in Monitors Forum:

Concerning Dell monitors and apple hardware

FAQ Monitor

Hope this helps.

2 Posts

September 26th, 2013 18:00

I also tried it with an IBM and it did the same thing.

Community Manager

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September 27th, 2013 07:00

MelanieR85,

When the monitor goes to sleep, are you getting this message, "Entering Power Save Mode"?

The monitor has a VGA, DVI-D, and HDMI ports. Test them all on your IBM and post the results. Be sure you are using the Dell provided VGA and DVI-D cables.

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