Question about Acer Aspire T135 PC Desktop

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Acer t135 pc desktop will not get to bios page or startup at all

I receved some new bits and pices for my pc as above and set about changing them
however in doing so i decided to remove the heat sink from the processor to clean it and when removing it the processor came with it.
i have re installed it and removed all additions back to before i started changing bits aka as orignial but when i turn it on the following happens
turn on:
hd spins up and a steady red light is shown ontop next to the green power button
processor fan dosnt start
dosnt respond to anything
no startup
no bios

suggestions please?

Posted by on

  • 3 more comments 
  • wolf_in_boys May 15, 2009

    i did manage to get the heat sink off the cpu and replace it in the socket and close the socket and i put the fan connector back exactly as it was when i took it off originaly.

    answers to questions

    1. yes, but there is no switch on the back, i shut it down, turned off the power, left the cable in a for about 30 secs then removed the cable

    2. yes, i have taken my socks off and earthed myself on a bare radiator pipe each time.

    3. i have not moved the motherboard

    4. yes, gently scraped off with paper and then new put on.

    5. yes i clipped it down as i found it

    6. yes i plugged the fan back in where it came from as i found it

    7. yes i made sure all cables were correctly fastend before i powerd up

    which cable do u meen in regards to hd question?

    processor is original that came with it as is the motherboard and the oporating system is microsoft windows xp home edition

    no need for forgiveness your trying to help and i very much appreciate it. i generaly build steam engines so im kinda new to this.

    ok clearing cmos:

    what is the rtc

    where is this cable located

    i have since found a battery shuld i remove it?

    thank you very much for your corispondence

  • wolf_in_boys May 15, 2009

    scratch last few questions i found the bios clear thingwee its not a cable its like a clip thing so i moved it across left if for a minute then moved it back over and still nothing

    no screen display no fan startup

    num lock and caps lock keys etc light up so im guessing power is to the keybord but what it achives i do t realy know

    dvd tray opens and closes but no thing else.


  • wolf_in_boys May 15, 2009

    lol thats good Then

    Im Trying To keep some kind of sense of humor about it

    haha glad you like the sock idea xD

    anyhoo, the hard drive does spin up and the hard drive light is on constantly, but there is no clicking like usual.

    the fan still dosnt spin and the only other fan in the unit is in the powersupply box at the top and that works.

    only one powersupply to motherboard is present and is plugged in.

    would it be an idea for me to email u a picture of what is in there and ay areas you want and put them on my devient art and link u or shal i send them to your email somehow?

  • wolf_in_boys May 24, 2009

    he sorry for slow reply.

    i have tried that and nothing. me thinks its terminaly dead.

    one of my computer friends at school said it was failing its per startup checks but couldnt find any reason for it to do so.

    i think im probebly going to have to buy a new one arnt i?

  • Bruce Volkers
    Bruce Volkers May 11, 2010

    Suspedt a problem still lies in the processpr or socket. Were you able to separate the heatsink from the processor and replace the processor in the socket and then the heatsink? Did you plug the processor fan in correctly?



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  • 323 Answers

1 Did you unplug the PC prior to opening it, and turn off the switch on the back?
2 Did you wear a wrist strap or ground yourself to bare metal on the case before you touched it each time?
3 Did you remove the motherboard from the case or work with it inside?
4 Did you put new thermal paste on the bottom of the processor before hooking it back up?
5 Did you make sure the heat sink is firmly fastened to the processor prior to turning it on?
6 Did you remember to plug in the processor fan to the motherboard?
7 Did you make sure all lines and cables from the hard drive and CD/DVD are firmly plugged in to the motherboard prior to booting?

I see where the hard drive boots up. But is the cable hooked up properly too?
What kind of processor, motherboard, and operating system do you have?

Numbers 4,5,and6 are pretty much fatal if not done or done properly. It only takes turning on a CPU once with no fan or properly installed heatsink to fry it.

If you've done all this, please forgive the questions, but you didn't say and I don't know what your level of experience in working on computers is.

If any of those items are not done, you need to do them. If you need directions write back.

Once done, then you need to clear the CMOS by moving the jumper on the RTC for say a half minute, then putting it back. Are you familiar with that? There are 3 pins, and the jumper will be on 2 of them. Move it the the uncovered one and the one adjacent to it. After 30 seconds or so, put it back on.

After that, there are a few differences of opinion on how to proceed. But I would put everything back except the side cover. Plug it in. Turn on the switch in the back. After a few seconds you should see a light on the back side or thereabouts come on. This tells you the motherboard is powered.

Turn the computer on, tapping F3 constantly with your finger to enter set up. Clearing the CMOS wipes out all your preferences. If you are lucky, and it boots you into set up, look at the top where it says "load Default settings". Press that and the save your changes and exit.

If the Gods are with you it will boot on in to Windows, if that is what you are using.

BUT. You must clean off the old thermal paste from the bottom of both the cpu and the heat sink. You can use rubbing alcohol and cotton (my ears are burning already). Apply a new thin layer with like a busness card, so it is evenly spread and very thin. Be careful when placing the heatsink back on it. Hook the back side first and then (I use needle nose pliars or a dull wooden pencil) push the other side down until it is hooked well onto the platform.

If this doesn't work, or you need help, please write back.


Posted on May 14, 2009

  • 1 more comment 
  • Dan Todd May 15, 2009

    LOL, so you have a sense of humour too. Excellent reply. The cable I was talking about:

    In IDE drives there will be a flat ribbon cable and the 4 wire plug that powers it, and it is obviously in or it wouldn't power up.

    In sata drives there is a smaller cable, usually red, and the power plug as well. I wanted to firm that whichever drive(s) you use has both cables securely connected.

    (I liked the part about taking off your socks and earthing yourself)

    You didn't mention this time if the had drive spins. And what concerns me is that the processor fan is till not coming on. Do you have any other cooling fan(s) in the case? If so, the they/it turn on?

    One other thing. When you first began working on the computer, did you unplug any power wires to the motherboard from the power supply? On newer systems ther are two plugs; the big one, and toward the back there will be a second. If the second isn't plugged in it won't boot.

    Let me know these answers and we'll go from there.


  • Dan Todd May 16, 2009

    It would be best for you to link me if you can. What really concerns me is that the processsor fan is not on. By now we've most likely fried the processor and the fan. We know the power supply works, the CD/DVD works, the case fans and I assume there is no message on the monitor at all?

    I'm afraid that at the very least the processor and fan are shot. At the worst I fear the motherboard may have suffered some damages as well.

    If it were me I would go to either or and buy a motherboard/prosessor combo, and a new fan as well.

    If you take your old motherboard out, and remove the ram, and unhook the CD/DVD and case fans, you could install the combo and plug everything else in. Since you, ve cleared the CMOS, you would have to tap F3 when turning it on to get into set up.

    You would have to reconfigure everything but it isn't that hard. Since ram is so cheap now, you could upgrade that to 2 gigs instead of a gig for not much at all. I suspect the ram may be damaged too.

    How do you feel about that? I could help you find whay you need if you like. I just think the processor and fan is gone, and if you go that far, you may as well buy a motherboard combo.

    Let me know...


  • Dan Todd May 24, 2009

    Yes, it looks that way. Refer to my answer to you on May 16th. A combo set or barebones would be the least expensive, and you have the rest. Let me know if that is the way you'd like to go.




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