Question about Acer Aspire L100 PC Desktop

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Possible bad motherboard/overheating problem w/ Acer Aspire mini L100

I suspect that my Acer mini aspire L100 has some issues with overheating and in so doing the motherboard has possibly gone bad.
It will power on at times and at others does not. The cooling fans run when it is turned on but sometimes there is no light indicating that the unit is on. I am interested to know if I will first have to replace the motherboard and then learn how to fix the overheating problem. Can you help me???

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  • fix4once Sep 26, 2008

    That's what I thought as I couldn't even find the motherboard online for this unit.

    I do thank you for trying though. Even though the solution was one that I hoped would be different. I need to know now how to get the hard drive out of it so as to at least salvage that. Can you help??

  • fix4once Sep 27, 2008

    I have checked the power supply...The computer tech locally thinks that is not really the problem because the computer does try to power on...The fans run and everything it is just that booting up is not constant and that he says seems to be indicative of a motherboard problem...Acer's techs seem to think the same thing because the computer did not do any unsuspected shut off's while running...



    So thank you but I am not sure that that is necessarily the problem in this case??? I can check tho.

  • fix4once Sep 29, 2008

    Okay please tell me how you fixed the problem? See right now I am faced with not very many solutions, the few that I have include 1. salvaging the hard drive and memory to be placed in a new computer/cpu unit 2. taking the computer in for a diagnostics test and if it can be upgraded with a new motherboard ending up doing that as well as replacing the processor chip that is inside it depending on if it is an AMD Athlon 2 socket vs 939 (those are now obsolete across the board for all computers) or 3. salvaging the hard drive and encasing it into an external hard drive case as I have had to do with another computer that died both power supply and motherboard problems.

    So any help on this issue is greatly appreciated. I am not computer savvy totally but I do learn the insides pretty quickly as I was able to break the machine somewhat apart and disassemble parts of it myself. Long story short with a walk through I could pretty much figure out most of it myself. Thanx

  • fix4once Sep 29, 2008

    Thanx you all but at this point as I am no computer tech and feel that by me messing around in it I would actually do more damage that than good...Hence, I am going to allow the "real" techies locally run a full diagnostic on it and then take care of it that way if I can...If not I will go from there!!!

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Posted on Sep 26, 2009

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Oops...accidently pushed post i guess....anyway to continue.....the graphics chip and drivers would fail, with a messed up display and everything would lock up. it ran hot too because the smart fan and bios were not controlling the fan properly. also, it would not restart when too warm and the boot up was sporadic. what i think is the problem is the bios, cmos, temperature monitoring, smart fan and vista power manage get their communications screwwed up. (especially since vista is an extremely advanced power management probably intended for laptops. a little too much for this desctop...lol.) also, whatch out for that crummy cd driver connector....lol. i believe i finally solved the problem by resetting the cmos. if you do not know how , get yyourself familiar with the setup bios. to reset the cmos, i unplugged the power and removed the 3 volt battery that maintains the power for the cmos settings . start it back up with the setup (bios) and set the clock waalaa.............i hope thia solves your problemtoo............doug.

Posted on Sep 29, 2008

Hey fix4once............i think your going to like this. i have been working on one of those for a relative and it has been driving me nuts since i am not very computer savy. plus i have never even seen vista till now.after lots of disassembly experimentatio and long hours of research i think i solved it and it is a similar problem as yours.

Posted on Sep 29, 2008

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Not sure if this will help you, but try checking your power supply it might be going out.

Posted on Sep 27, 2008

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You wont be able to replace the mother board as it is a propriatary Acer unit and is now obsolete.

In all honesty these machines are so poorly designed you would be better to write it off.

The 3 machines i had fail and managed to repair are all now dead again with different faults.

Sorry.

Nick

Posted on Sep 26, 2008

  • Nick Sharp Sep 26, 2008

    Sure, remove the top of the case, there is a single screw in the centre of the top at the rear.



    Slide the lid of by pushing it toward the rear of the case.



    At the front on the unit there are 3 plastic tabs.



    Lift these and remove the front bezel



    Toward the rear of the case there is a single screw, just in front of the LAN/USB shelided unit.



    Once Remove you can simply lift the whole drive carridge out using the handle on top.





    Once you have that removed pop the memory out and the cpu, you can at least use these in something else or maybe sell them.



    Good Luck



    Nick



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SOURCE: Possible overheating problem for Acer Aspire mini L100

I am not totally sure if this is the problem, but I would suggest that you may have a power supply issue or possibly it going out. If the computer runs fine, and then shuts down, than this can be more symptomatic to a overheating issue.

In my limited experience with overheat issues, the computer actually smelled like it was getting hot, and then it would slow down and then sometimes stop. Most computers have fail safe settings where they either alarm, or shut down or both when they overheat.

Posted on Sep 29, 2008

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Posted on Jan 02, 2017

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I reset my surge protector and the computer wont power up. i think i need a new power supply. the power cord is working fine. Please let me know where i can find a power supply for the aspire...


The Acer Aspire L100 is a desktop computer powered by a special DC adapter and power cable. The computer's motherboard incorporates a fuse designed to prevent any power surges from damaging the computer. If the fuse burns out due to a power surge or for any other reason, the computer will no longer function. You can check the motherboard fuse for damage yourself, then take it to a trained technician for replacement if needed

Shut down the Acer Aspire L100 and turn the tower around.

Press the "On/Off" button on the front of the tower. If the computer will not boot and the fan does not turn on, the fuse may be burned out.

Unplug the power cord from the rear of the tower

Turn the tower on its side and remove the Phillips-head screws connecting the back panel to the Aspire L100's cabinet.

Pull out the motherboard assembly gently from the back of the cabinet. The internal fuse is located on the motherboard behind the DC power jack, which is to the right of the monitor jack

Let me know if this helped..



  • 2 Press the "On/Off" button on the front of the tower. If the computer will not boot and the fan does not turn on, the fuse may be burned out.
  • 3 Unplug the power cord from the rear of the tower.
  • 4 Turn the tower on its side and remove the Phillips-head screws connecting the back panel to the Aspire L100's cabinet.
  • 5 Pull out the motherboard assembly gently from the back of the cabinet. The internal fuse is located on the motherboard behind the DC power jack, which is to the right of the monitor jack.

  • Read more: Fuse Location on Acer Aspire L100 ' eHow.co.uk http://www.ehow.co.uk/how_7815704_fuse-location-acer-aspire-l100.html#ixzz1XUVwmxuA

  • 3 Unplug the power cord from the rear of the tower.
  • 4 Turn the tower on its side and remove the Phillips-head screws connecting the back panel to the Aspire L100's cabinet.
  • 5 Pull out the motherboard assembly gently from the back of the cabinet. The internal fuse is located on the motherboard behind the DC power jack, which is to the right of the monitor jack.

  • Read more: Fuse Location on Acer Aspire L100 ' eHow.co.uk http://www.ehow.co.uk/how_7815704_fuse-location-acer-aspire-l100.html#ixzz1XUVwmxuA

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    I am not totally sure if this is the problem, but I would suggest that you may have a power supply issue or possibly it going out. If the computer runs fine, and then shuts down, than this can be more symptomatic to a overheating issue.

    In my limited experience with overheat issues, the computer actually smelled like it was getting hot, and then it would slow down and then sometimes stop. Most computers have fail safe settings where they either alarm, or shut down or both when they overheat.

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