Having a Dell Latitude D620 laptop with the Linux Ubuntu environment. Having a problem with the Linux laptop, which is about the hibernation of the machine. while I attempt for closing the lid o t he laptop it goes to the hibernate instead of go off the screen. I checked the setting and found which is proper. After that while I open the screen it appears as black screen but not off. The power light is still on, only the screen is appears in black. Why this problem appears? Anyone having a solution for this issue?
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