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The internal monitor may fail to display and remains black in the BIOS setup menu when an external monitor is connected to the laptop. Pressing Fn + F8 keys or closing the lid of the laptop switches the display from internal to external, but pressing Fn + F8 keys again or opening the lid does not switch back to the internal display. Affected Platforms: Dell 15 DC15255 Dell Pro 15 Essential PV15255 Inspiron 15 3535 Vostro 15 3535
This is due to the compatibility issue occurs with the panel and the driver.
The engineering department is working on a fix to be released in a new driver. The updated driver is posted to the computer's support page once it is made available in May 2026. Workaround: Press ctrl + alt + del keys to restart the computer. Internal display displays with no issues after the restart.
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