Blanking out while working HP Pavilion DM4

10 pts.
Tags:
HP
HP Pavilion
Laptops
Why does HP Pavilion DM4-1160us notebook power down momentarily while working? I get no error messages; when it powers back up (sometimes I have to hit the enter key), sometimes it comes directly back to the screen I was working on, other times I first have to click on my user icon. Sometimes the screen pixel size changes, other times it doesn't.

Software/Hardware used:
Windows 7 Pro, explorer

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  • TomLiotta
    Assuming everything else is normal, that's how most systems have worked for quite a while. One piece of missing information in your question is how much time passes between the last time you use the keyboard (or mouse or touchpad) and the moment the screen blacks out. Devices have power-saving settings. A common first step is to remove power from the display. After a few more minutes, the whole device goes to 'sleep'. After using some key (or mouse, etc.), power is restored or the devices 'wakes up'. There's a set of configuration items you can change to determine how much time must pass and what power actions are taken. Now, if it happens in the middle of typing a sentence, then your device needs either some new driver or some repairs. -- Tom
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