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December 22nd, 2021 10:00
How to test system
I have the LATITUDE e5440 And I wanted to test the whole system wow booting up repeatedly or hold down the F 12 K until the blue bar in three barre and I wanted to test the whole system while booting up repeatedly or hold down the F 12 key Until the blue bar comes under the dell logo then go to diagnostics and then you’re done
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DELL-Cares
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December 23rd, 2021 04:00
We tried reaching you on a private message asking for the Service Tag number to ascertain the warranty but did not receive a response. Please feel free to reply to the private message whenever you are available.
Mary G
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20.1K Posts
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December 23rd, 2021 06:00
Holding the key down registers as a stuck key. Tapping the key sometimes works.