Question about Acer Aspire 3100-1405 Notebook

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Keyboard tounc screen usb not working

When I boot the 3100 the keypad will not respond. I cannot enter setup or acess the safe mode option screen using the keypad. When the system get to the windows login screen I cant use the keys or touhch pad to select a user or shut down.
If I put the computer in to standby by depressing the toggle (screen closed) I can then wake the it back up using any key.
I've tried to add a USB mouse but, on all 3 ports it only flashes for an instant when I plug it in then goes out and won't function.
I suspect a Bois issue becaues windows will wake from standby using any key but the computer does not recognize the the keys during post.
I've been search the web trying to find out if there is a jumper setting on the motherboard to reset the BIOS but have not even been able to discover the type of motherboard used.
If anyone has any sugestions they would be greatly appreciated.
RC

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  • RKasey Jan 11, 2008

    This is the Acer 3100 with win xp

  • RKasey Jan 11, 2008

    Chester,

    No, there are no beeps. There is no floppy and my guess is that the CD is not set to boot in the setup.

    I cannot access setup to change that.

    I tried to boot from a Win XP CD but the computer ignores it and goes for the hard drive.

    I suspected the keypad at first but since the the system will awake form standby when I press any key it seems that there is enough windows loaded by the time you reach the XP login screen to recognize the keypad.

    It does not recgonize the touch pad though.

    I'm guessing the BIOS is not detecting the keypad or touchpad.

    I'm hoping that there is a reset jumper for the BIOS.

    Thanks

    RC

  • RKasey Jan 11, 2008

    Chester,

    Thank you for taking the time to look for those jumper setting for me. I did try a USB mouse, all three USB ports seem to be dead.

    I don't have a USB keyboard handy but handy but since the mouse doesn't light up I'm thinking that a keyboard probably wouldn't work either.

    If I can round one up I'll try it.

    Thanks again for your time.

    I will post if I find the solution

  • RKasey Jan 17, 2008

    Chester,

    Sorry I haven’t checked my mail lately and just found your last post. Yes I did open it up but the battery is soldiered in place and I did not find any jumpers in the motherboard.

    This machine belongs to a friend of one of my co-workers and I am reluctant to unsolider the battery since I'm not even sure that will fix the issue.

    I'm going to return it and suggest she seek professional help.

    I do thank you for you input.

    This site seems like it could be a good resource and as often as people come to me for free comp work I'll probably post again.

    Thank you again for your insight and time.

    RC

  • Anonymous Feb 17, 2008

    acer aspire 5100 usb not working

  • Anonymous Apr 12, 2008

    This same exact problem just happened to me, it was the motherboard. 3 months out of the one year warrenty and Acer wants $575 to fix it.

  • flyp Jun 12, 2008

    Hi,



    I have an Acer 3102WLMI Mobile AMD Sempron 3200+ 1.6 GHz - 15.4" TFT PC Notebook and have exactly the same problem my keyboard and my USB port are not working, the USB is flashing once and then nothing.



    I have removed the battery but no luck.... Any help will be appreciated.



    philippe.boivent@gmail.com

  • TechBina Jul 07, 2008

    Acer Aspire 3102WLMi ........... Keyboard and touchpad dead. Won't respond to anything. So can't do F8.

  • altrove Aug 16, 2008

    Acer Aspire 3100 with guarantee expired just before...
    the same problem



  • evevega_143 Oct 24, 2008

    when i open my computer the mouse or touchpad doesnt work for me to open my profile what or how do i do this so i can get in to my Acer aspire 3100 vista home edition.





  • bberati Nov 22, 2008

    i have the same problem but i my LP nothing is working iven if i try to go to bios with F2 nothing and the windows starts normal but the keyboard and touchpad is not working.

  • douglasz Mar 18, 2009

    Same problem for me too. Keyboard and touchpad not working.

    Also external usb mouse and usb keyboard not working too.

    CMOS reset not resolve the problem.




  • altrove May 11, 2010

    Same problem with an Acer aspire 3100.
    After rebooting the pc works for few second then
    keyboard, USB ports, and CD will stop.

    If you try to immediately reboot the pc doesn't run.
    In my case you must to wait for half an hour then
    again...
    only few minutes working (!!!!).

    PS
    My guarantee expired just few days before I experienced this problem.
    I'm going to buy a new motherboard (used).



  • senyo  Hadzor
    senyo Hadzor May 11, 2010

    please can you send the laptop brand and model...?

    Thank you

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I have this same model and bought from tigerdirect around Nov 06. I started having problems with mine around the first of Feb.08. As you noticed it is a few months out of warranty. My keyboard and touchpad will not respond during boot up. I too can not get into bios. I have unsoldered CMOS battery and resolderer and still no response. I have noticed that Acer has a hidden Active X file in system32 that may be an interactive file on how the system performs. I do not know anyone that had an Acer for more than 2 years. I think Acer has included a bug in their systems to corrupt to function of the motherboard. I am always working on computers and I have never seen this happen to see many people on these forums online. I am researching Acer computer now and will probably find the problem. My usb mouse lights up but do not move the mouse what so ever. I would recommend anyone not to buy. Once out of warranty the only voice you will hear before speaking to Tech Support is Credit card # and 2 dollars an hour charge and that may not help. I really believe that Acers lauch manager holds the info I need because there was an activeX file call lunch.dll that they have recently added a patch.

Posted on Feb 09, 2008

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The batteries on these things are usually located under the wireless card. In my case as well as I am sure his, this is soldered to the board. I can unsolder without a problem but dont want to unless I know for sure this will do the trick. Personally I am working on the Aspire 5100 w/ media edition. It stops at Setup is starting windows. Microsoft gives a floppy startup download but without the USB's responding I cannot access the fix. In bios it shows the USB Floppy as the first boot up option. But if you press F12 for boot order It does not show a floppy as a choice so I figure it is acting like it is not there cause the bios has to be reset in some way. However when I got the system the date was on the manufacturers date already so I assume someone already tried to reset the board.

Posted on Jul 05, 2008

  • dosboot Jul 05, 2008

    It wont fix that problem. I have the Aspire 5100 and while the keyboard works fine the USB's are not. Anyone know what the USB Root Hub microchip looks like, I guess I gotta replace it. I cannot load an operating system cause the board has offset frequencies that causes the system to lock up at setup is starting windows. If I press keys it does nothing but when I am starting the load and the unit is zipping thought the disc, if I hit too many keys it responds then. System just not right so I gotta do a boot disc for xp. Without it working I am sank!

  • dosboot Jul 05, 2008

    Do a bios flash, download it and get it to autoboot

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Same problem for me too. Keyboard and touchpad not working.

Also external usb mouse and usb keyboard not working too.

CMOS reset not resolve the problem.

Posted on Jul 02, 2008

Remove battery and power supply. Hold power button down for one minute. Reboot without battery.
I did this after having the unit powered down for two days.
Seems to clear the bios.

Posted on Mar 30, 2008

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Hello,

I have a question for you.. if you hold a button down on the keyboard or continuously press buttons on the keyboard over and over during setup... do you get that beep. Normally the computer will beep if you press a key too many times during setup, because it will think that the keyboard is broken or a button is being held down.

Can you hear this beep?

Also do you know the boot sequence on the laptop? cd, floppy, etc... is it default?

-Chester

Posted on Jan 11, 2008

  • Chester Gould
    Chester Gould Jan 11, 2008

    Hmm...

    Seems like the only two options would be to use a USB keyboard or like you wrote reset the BIOS... I couldn't find any information on how to reset the BIOS, for your model... however normally that information is all stored in the CMOS. You could open up the laptop and physically look for jumpers that may read CMOS next to them... Another alternative that always works is to, take the CMOS battery out for about 30 seconds and then put it back in.

    The battery should look large, flat, and circular.

    This is a strange problem though, I have never heard of a BIOS not recognizing the keyboard... and usually they have that press F1 on keyboard failure option... but of course there is a first time for everyone :)

    Let me know if you find the battery or the jumper and if that fixes the problem.

    Regards,

    -Chester

  • Chester Gould
    Chester Gould Jan 12, 2008

    Did you open it up and look for the CMOS battery?



    If you take the CMOS battery out for 30 seconds it should set the BIOS to its default setting.



    Regards,



    Chester

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