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Thread: laptop runs slow when lid is closed

  1. #1
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    laptop runs slow when lid is closed

    I'm running an Asus Aspire One D250, running centrafuse 3.1. It runs fine when the laptop lid is open, but when I close the lid, its as if the CPU/GPU goes into super slow mode, and it take 5X as long to do anything. I've set the power settings to "do nothing when the lid is closed" and changed the power scheme to "max power." Any ideas?

    Thanks in advance!

  2. #2
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    its going into sleep mode. you might need to disable the micro switch thats being activated when the lid gets closed. hope this helps SNO

  3. #3
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    Quote Originally Posted by SNOtwistR View Post
    its going into sleep mode. you might need to disable the micro switch thats being activated when the lid gets closed. hope this helps SNO
    hmmm.... sleep mode huh? Is this faced by all CarPC laptop users? I'll dissasemble it tonight and see what I can remove. I was hoping there might be a software fix... but I guess I'm not that lucky.

  4. #4
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    If you set it to do nothing when the lid is closed, it's not going to sleep. Even if you did, it would either do nothing or wake from sleep.
    Does this happen as soon as the lid is shut or after a few minutes? It may be a heat issue, that would be my first thought.

  5. #5
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    Quote Originally Posted by Thorsteenster View Post
    If you set it to do nothing when the lid is closed, it's not going to sleep. Even if you did, it would either do nothing or wake from sleep.
    Does this happen as soon as the lid is shut or after a few minutes? It may be a heat issue, that would be my first thought.
    It does it pretty much immediately... the heat issue is the first thing I thought of as well. I think its a precautionary measure to prevent any overheating issues.

  6. #6
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    What Sno said is probably the first place to try, not necessarily the sleep part, but pull the casing apart and unplug the microswitch that picks up the lid being closed.

    See whether that fixes the problem, it may be a hardware setting that ramps the processor speed right down when it detects the lid is closed, as said, to prevent heat buildup (Check google for awesome melted apple macbooks).

    If that does fix the problem, you then have to figure a way to turn the backlight or whole LCD off when you close it up, as without that switch, you will probably find the screen stays powered on, even with the lid closed.

  7. #7
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    Quote Originally Posted by Chester View Post
    What Sno said is probably the first place to try, not necessarily the sleep part, but pull the casing apart and unplug the microswitch that picks up the lid being closed.

    See whether that fixes the problem, it may be a hardware setting that ramps the processor speed right down when it detects the lid is closed, as said, to prevent heat buildup (Check google for awesome melted apple macbooks).

    If that does fix the problem, you then have to figure a way to turn the backlight or whole LCD off when you close it up, as without that switch, you will probably find the screen stays powered on, even with the lid closed.
    Yeah... I have a macbook, and I knew they cool the macbooks through the keyboard... so that's why they cant be run while the lid is closed. But I'll try taking it apart and see if it helps. Thanks!

  8. #8
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    If anyone cares, I solved it by removing the plastic molding around the screen of the acer, and removed a small magnet that triggered the laptop to go into a low-power state when the screen was closed. It was on the bottom towards the right hand side. Works like a charm now.

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