Question about Acer Aspire L100 PC Desktop

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ASPIRE L100 overheating issue

I have one of this and having same problem of system shutting down by it self. What I found out is that with the cabinet open and the hard drive/CD drive cage support moved out from its place, with a FAN blowing air from the mother board, the system works fine.
The overheat componnents I belive are related to onboard video processor. To save my money, I am thinking about of replacing the original hard driver with a laptop hard drive(2.5') and adapt a fan into the space left on the cage support.
I am just affraid of installing the laptop hard drive, which is 5V in place of its original drive that seems to be 12V. Am I right on my concern? If not, could that work?

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  • Grooving67 Apr 08, 2009

    Hi Bigdog12c, can you tell me the solution to overheating on my AcerL100. As you say it is not hard or expensive but takes time.

    KR
    Charlie

  • Roberta Smith
    Roberta Smith May 11, 2010

    if the hard drive you use now is run on 12 volts and you replace it with a hard drive that runs on 5 volts... it will fry it (to use a techy term).... please enlighten me abit.... is that a laptop ?



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This Acer L100 is overheating due to lack of cooling to the Motherboard Graphics chip and chipset chip. If you take the unit lid off and remove the hard disk drive you will see 2 heatsinks. One of them can be cooled with an additional heatsink, which I have fitted on mine and it no longer overheats and switches off.

I can olso help with Hard drive issue you have. 3.5" desktop hard drives and 2.5" laptop hard drives in the SATA format both have the same power and data cable fittings on the drive, this means they will both work the same and will not fry. If you read some articles on Desktop PC's, you will see many people fit 2.5" drives into their computers too.

I think the extra fan idea would be good too, as this small form factor pc has an AMD processor and gets mad hot any way. Hope this all helps.

Tech Guy Batey :))

Posted on Apr 14, 2009

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Bought one of these for my daughter. The problem is definitely heat & some driver problems. I was having same problem. If your running vista make sure to upgrade to service pack 1 & install all updates. Next upgrade all hardware drivers to latest. When I first pulled cover off the ram was so hot I could not touch it. Had two 512mb sticks one was bad from heat I suspect. Bought two x 1gb. The fix for overheating is not hard nor expensive but does require some time. Let me know if interested. This thing runs like a champ now.

Posted on Sep 25, 2008

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I bought two of these and had both working for a year. When I did a recovery or heavy video streaming the computers crashed. I removed the heat sink and the factory thermal grease. I purchased new thermal grease that was 88% SILVER. The computers' STOPPED crashing. Everytime before it would crash you can hear the fans kick into overdrive. FYI go to Start-MSCONFIG-BOOT-ADVANCED OPTIONS-Select Number of Processor- 2 in the drop down window and apply. For some reason Vista by default is set to single core processor. You will notice an increase in speed during bootup

Posted on Apr 29, 2009

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I have the same problem as everyone else, I did what someone suggested invert the fan, I think the fan throws the air to the outside insted of the inside. Also in bios or mother board configuration under pc health I disable the smart fan feature and made the fans blow at a faster speed, by doing this I have not experince any overheating problems. Hope this helps

Posted on Apr 21, 2009

I purchased two Acer L100s from Circuit City when they first came out. I am not a fan of mini/micro form factor PCs because you are limited to upgrading. After 11 months of problems (over heating, sleep, HDD, and dvd writer), and before sending it to Acer for repair I found that both PCs purchased at different Circuit City stores had the exhaust fan blowing air in the case, not out. I reversed the fans and my PC know run on average between 65 - 70 degrees celcius. Check which direction the fan is blowing on the back of your PC by placing a tissue on it. It should be blowing the tissue out, not sucking it in. Ever since I reversed the fans and changed the OS to XP, I no lomnger have issues with the PC overheating, not being able to come off of sleep, the HDD is no longer continueously active from a bunch of unneeded background processes, services, strings, threads, etc. I believe that this PC is and it's proprietary MOBO just barely passed Microsoft WHQL and HCL.

Posted on Oct 10, 2008

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Fyi...............i do not believe the heat problems in these models has to do with hardware..........it has to do with advanced power maneagement not maintaining its properties in the software side. bios, cmos smart fan and power options all get messed up over time.

Posted on Sep 29, 2008

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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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