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Location of power supply fan

Thanks for the info on my previous post. I have noticed now that the fan for my new power supply is located on top, not the back like the old unit. The top panel is solid with no holes for a fan, it is a Powmax 400W with clear side tower. Do you know of a good solution? I don't want to leave the top open like it is now ( i have no kids here to worry about)

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I have seen those type of power supply, but maybe, you can change the orientation of the PSU? remove the power supply form the casing, re install it with the fan facing downwards.
Hope this helps.

Posted on Jul 06, 2008

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Previous CPU Fan failure


You have me at a loss

"Previous CPU fan failure", and What?

1) Was the Processor fan replaced?

2) Was the top of the Processor, and bottom of the Heatsink properly cleaned, and fresh, new Thermal Paste PROPERLY applied?

3) Is there a CMOS Error Code stored now?

4) Will Mary ever find true love, and will Biff return home?

Just wanted to see if you were following along

Clarify further as to what the problem is.

Post back in a Comment.

Regards,
joecoolvette

Mar 07, 2013 | Dell OptiPlex 760 PC Desktop

1 Answer

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

    Sep 09, 2011 | Acer Aspire L100 PC Desktop

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    Good Afternoon, I have a Dell Xps 420, I replaced the PSU with a 500 W Rocket, still the solid amber light. I then replaced the motherboard with a brand new motherboard from Dell, still the amber...


    Here are some ideas for you to try.

    1. Make sure your motherboard is up on motherboard standoff screws so that it isn't directly touching the case. Follow this link if you don't know what a motherboard standoff looks like: http://www.mountainmods.com/brass-motherboard-standoff-10-pack-p-203.html

    2. Unplug all peripherals including RAM, video card, hard drives etc.

    3. Make sure both the power supply's ATX 20/24 pin connector is plugged in to the motherboard along with the ATX 12V connector.

    4. Make sure the power connector, reset switch, and pc speakers are installed into the motherboard correctly. If the power connector is installed incorrectly the PC will not boot up. Look at p.103 of the motherboard manual. The power connector is located at label 5.

    5. If you are hearing any beeps after you press the power button post that information and if you're seeing any lights on the top bezel please post that information as well.

    6. Either switch out the power supply or buy a power supply tester to make sure the power supply is good. They only cost $20 or so if you buy one from Newegg or Tiger Direct.

    7. Make sure the processor fan is plugged into the motherboard.

    Hope these ideas can provide a breakthrough for you.
    Good luck and thanks for using FixYa.

    Mar 02, 2011 | Dell XPS 420 PC Desktop

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    How to adjust my computer fan


    This is one program, http://www.almico.com/speedfan.php

    Would like to state though, be sure the fan in question isn't spinning at a high rate, due to a fault within the computer.

    1) Computer is dirty inside.

    A) Fan for the Processor, and Heatsink on the Processor, are dirty, causing the Processor fan to operate at a high rate.

    [Some computers have a fan mounted directly on top of the Heatsink, sitting on the Processor.
    Some computers use a computer case fan to push air through a plastic shroud, which envelopes the Heatsink.

    Typical Fan/Heatsink combo,

    http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3451342&CatId=493 ]

    Computer unplugged from power, Anti-Static Precautions taken, use a can of compressed air, (Or two if needed), to clean the inside of the computer.
    Don't forget to clean the inside of the Power Supply.

    [Using the plastic 'straw' provided, (Should be used at all times), insert the straw into the ventilation holes of the Power Supply's case.

    Suggest starting with a hole located towards the top of the Power Supply's case, and directing the air flow towards side to side, and top to bottom.
    Then move towards the bottom ventilation holes.

    Come towards the back of the Power Supply, and clean the Fan's blades, and center hub. Also the surrounding shroud around the fan's blades.

    If you find heavy 'gunk', (Dirt, dust, etc.), that the compressed air won't remove, suggest you use Q-tips.
    You don't have to remove the 'gunk' with the Q-tips, just 'disturb the surface' of the gunk with them.
    Then follow with air.

    2) Thermal paste in-between the top of the Processor's case, and the bottom of the Heatsink, has dried up, or partially dried up.

    Another situation that causes the Processor to overreach it's thermal limit, and cause the Processor fan to operate at full speed.

    Computer unplugged from power, Anti-Static Precautions heeded carefully, the top of the Processor's case, and the bottom of the Heatsink are cleaned THOROUGHLY, and then new, fresh thermal paste is correctly applied.

    3) Some fans have four wires.

    A) One for the Positive connection,
    B) One for the Ground, (Negative) connection,
    C) One for the sensor that monitors the RPM, (Revolutions Per Minute) of the fan,
    D) And the last wire is a sensor wire, that allows the computer to vary the RPM's of the fan's speed, as needed.

    Ensure that the connection of all four wires is tight, and especially the sensor wire connection. A loose connection will cause an out of control fan speed.

    Some programs, such as an intensive game, will cause computer case fan/s, and a Processor fan, to operate at high speed.
    A necessary thing to keep the Processor from overheating.

    For any questions you may have regarding what I have stated above, please post in a Comment.
    Would appreciate hearing back from you.

    Sep 15, 2010 | Computers & Internet

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    Many of the new switching power supplies don't have fuses. These supplies porvide current based on load. That's why you can't unplug a supply and use a DVM to test for voltage. If you're sure that's the problem take it to a reputable repair person. He/she should have a load tester and be able to confirm if it's bad or not. If it's not we have alot of ground to cover from there.

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    Thanks for asking ...simply check the power supply fan....remove the Power supply(SMPS) from your system 1st....then remove the fan in it....try to rotate it by hands.....if it is not rotating smothly then it needs lubrication & your power supply unit needs cleaning.....if it is working fine then check the fan power section in Power supply...
    regards

    Mar 14, 2009 | IBM ThinkCentre M50 PC Desktop

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    Quite simple, unplug the power lead from the power supply or motherboard. Then you will need to unscrew 4 screws that hold the fan in place. Install a new fan. Screw it into place like the previous one was and plug in the power lead.

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    Hi, "No fan, no hard drive, no noise" means the motherboard is not getting any power which is kinda out of sync because you are getting a power on light indicator. To confirm if your power supply is ok, check if the fan inside the power supply is working. you can look at the back of the casing, if it is turning then psu is ok. Try to reseat the power connector from the psu to the motherboard, some of the pins may not be in perfect contact but others are that's why the led lights up, but the mb is still dead. Please let me know how it works out for you. Regards.

    Apr 10, 2007 | Acer Aspire T135 PC Desktop

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