When i power up the fan starts but nothing else happens i have checked the power supply and battery all seems ok i'm not to sure how to go about checking other components like the cpu and ram any help with this would be great
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Re: i have exactly the same problem as robert keene
This is most likely an issue the the mainboard. The mainboard and ram are not considered user replaceable parts on this model, however if the unit is less than a year old then you can contact Acer support for repair. Acer's number is 800-816-2237. This process usually takes 10 business days and as of the last time I checked they do not cover shipping to the repair center. This is annoying, but is the best option.
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Try removing the battery. It may be the battery is eating all the power that the supply can produce, leaving nothing to run the computer. That could happen with a shorted cell or a completely dead battery. IF the power supply you are using is the correct one for your laptop.
It is more than likely the power supply that is faulty. Newer PSU's have a 5volt supply missing, this means that some older boards will not run with the new PSU's. Try and find an exact match for your older supply but with a better power rating, if that is what is required.
Sounds like a malfunction in your power supply. I would suggest contacting Acer support and informing yourself about the warranty on your device.
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check all your ground screws on the motherboard. If that doesn't work try booting it up with out the hard drive. if that doesn't work, pop out the BIOS battery and unplug your computer, let it sit for about a min. and put the battery back in and restart.
have u tried booting the computer with just the power supply hooked up and your battery out? iv'e had the same exact lab top and the battery went bad and the computer wouldnt do anything at all like your talking about. Even if i had the power supply hooked up and the battery. Remove the battery, and try booting it up.
Due to the fact that the clock is working on the front panel I would say you at least have some power 1. If your power supply has 110/220 selection on the back make sure that is set to the appropriate setting. 2. Check to make sure the power is attached to the board right due to you changing the power supply make sure that the if the board requires the additional 4 pin and or any others from the power supply that they also are plugged into the mother board! 3. Check to make sure your switches from the power switch/ reset switch / hd lite / etc are all properly in the right spot and in the right direction observing positive and negativeorientation.
If all these are done and still nothing happens and the fan on the power supply is working you still can due further testing on the power supply using a multimeter and checking that the connectors to the board are functioning properly, if they are and you have done all the above things two possibilities remain, one your processor is installed wrong or not working or as you thought, your board could be malfunctioning..
I forgot to mention that you also have to make sure that the fan's are also plugged into the board properly (cpu fan, case fan, etc) this can also disable your computer from starting!
Note: I am going by the information above, if your computer made a sound or anything else please let me know!
First if you have move the computer recently, check that nothing has moved inside box and unplug cards if any including memery and replace again.
Check switch if working, does it turn on if you hold button? If so New switch required.
Most common problem: Power supply might be blown, see if the fan is running in the back of box when you start-up. Otherwise you will need to check a few things before you replace with new one. Check that the CPU fan inside box is running. Check that there isn't dust build up on fan stopping from running. Might need replacing. Try also taking out battery and starting up computer. If all else fails you will need to replace power supply with a 500watt or more power supply. If you have another computer on hand, you could try the power supply from that system as look as it has same connectors and try and run with that. If works then you know what to do. If nothing, the motherboard might be gone, or cpu even. Try also taking memory out and replacing. see if runs.
Before you give up, unplug all cables to hard drive, cd roms and DVD-rom and try to turn on
Here was the fix for me. The machine refuses to boot if the video card is not functioning. It should have one long beep however to tell you that there is a video problem. Someone hooked up our speaker incorrectly though! So we got no beeps. Once the speaker was hooked up and the video card was replaced, all is well!