Question about Acer Aspire 3100-1405 Notebook

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Scroll down not working

I leave my computer on for days at a time but when it's not in use it's on hibernate mode/screen is off/laptop is closed. After using it a few times the scroll down button decides to not work. It will, however, work if I restart the computer so it's no big deal. I was just wondering what's causing this and if anyone is having this problem.

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  • krackerjack0 Apr 29, 2009

    I have a Dell 531 laptop and my scroll on the mousepad worked perfectly up until a month ago. I have tried turning it off for extended hours to allow it to cool down since I know it gets sensitive when on for days as its overheated, but still no cigar. Anyone know what I can do?

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Driver bcm 4318

Posted on Jul 22, 2008

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Ya , even i have the same problem. when u r keeping ur laptop on several days and close the lid also, your keypad and mousepad gets heated up. the sensors below the touchpad is very sensitive. hence , it may automatically switch off sometimes to prevent getting overheated.here is one advice,if u r using the laptop for long hours,just take off the battery out from the laptop and run it on ac supply,because a battery can last for 1500-1600 cycles of charging. After that u have to buy a new one.So, make sure u are using ur battery only when u r doing some important projects only.that is why , most companies don't give warranty on ur laptop battery.

Posted on Jun 12, 2008

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Hibernation is a power management feature. When you hibernate a laptop, you're essentially turning it off. So, unlike Stand By (Sleep) mode, a hibernated laptop isn't using any battery power at all - that laptop is off!

The secret behind hibernation is that before you turn off the laptop, everything you're doing with the computer is saved. (The contents of memory are saved to the hard disk.) When the computer is turned on again, it recovers from hibernating by reloading all the saved information and restoring your laptop to exactly the same condition it was in before it was hibernated.

Briefly, hibernation works like this:

1. You activate the hibernation feature.

Hibernation is activated differently depending on how it's set up.

2. The laptop hums as everything in memory is saved to disk.

3. The laptop turns itself off.

It's really and truly off: The battery isn't being used, and it's safe to store the laptop or put it away until you need to use it again.

To recover from Hibernation mode, just turn the laptop on. In some cases, the laptop may recover from hibernation when you press a key or touch the mouse pad. hibernated state for as long as you want.


Hibernation mode requires hard drive space. So you should be aware that when hard drive space runs low, it's possible that Hibernation mode won't work.



In Windows XP, you have to activate Hibernation mode before you can use it. Follow these steps to activate Hibernation:

1. Click the Start button.

2. From the Start menu, choose Control Panel.

3. Open the Power Options icon in the Control Panel.

4. In the Power Options Properties dialog box, look for and click on the Hibernation tab.

If you don't see a Hibernation tab, there's your answer: The laptop isn't capable of hibernating. Oh, well.

You might want to check the laptop's Setup program to see whether you can activate Hibernation there.

5. Select the Enable Hibernation option by clicking the check box to place a check mark in the box.

6. Review other options, if they're available.

7. Click OK to confirm the changes and close the Power Options Properties dialog box.

Optionally, close the Control Panel window, as well.

Some laptops may require you to restart Windows for this change to take effect.



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Don't forget to rate this 4 stars before you log out.

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Now, that all being said (and please remember), the situation you have now is (hopefully) just that the laptop tried/succeeded in going into ACPI "suspend" or "hibernate" mode.

1. Remove all cables and 10/100. Remove all USB devices. Just leave the PSU (AC power supply) connected.

2. Press the power button firmly, JUST once. Wait. And I mean WAIT, because some laptops can take 2 minutes or more to come out of suspend/hibernate, if they were very busy at the time it was shut down.

3. If the LCD screen lights up. you are done. But if it does not light up now, then proceed to step 4.

4. Press and HOLD the power button down for 10 seconds. This forces the laptop to shut down completely, even from suspend/hibernation. Some unsaved files may be lost, but tghe laptop goes cold, so you can start ACPI over again.

5. After a few minutes, press the power button again, firmly, just ONCE and for 1 second max. Laptop should start up OK.

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