The Optiplex 3240 / 7440 / 5250 / 7450 All in One (AIO) systems have 3 unlabeled buttons on the lower right edge. The functions of these 3 buttons may confuse users and cause them to contact Dell support.
The top and middle buttons adjust the brightness of the display. While the bottom will turn the display off while leaving the system powered on. (Figure 1)
To troubleshoot this issue, users should first press the bottom button to see if the display powers on again.
Users may also disable these side buttons in the BIOS. In the BIOS, under the System Configuration option. OSD Button Management should be listed with the option to disable.
ID de l'article : SLN298894
Date de la dernière modification : 09/06/2018 05:26 PM
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