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My computer starts but does nothing

Computer starts ,fans run,but nothing else works.Taken it to a shop and they say the mother board is no good.i have looked but can see no sign of components damaged of burnt.

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  • 77 Answers

Just because there is not visible damage to the components on a circuit board or the circuit board itself does not mean nothing is wrong with it. If your power supply tests ok and the rest of the ancillary components attached to the motherboard are ok, it is probably a bad component on the board. Usually it will be a bad voltage regulator or transistor that has gotten a voltage surge.

Posted on Nov 30, 2012

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Posted on Jan 02, 2017

  • 22 Answers

SOURCE: My hp pc seems to try to start on but then it shuts down immedia.

Do any of the fans plug into the wires going directly to the power supply? If so, you probably have a bad power supply. If they all plug into the motherboard, it could be the motherboard at fault, though usually when something fails because of the motherboard, it can still tell you what it was via beep codes and such. I would think the power supply is to blame, and the upside is that they are cheaper than the motherboards if you are interested in keeping this PC for a while longer.

Posted on Mar 19, 2009

Ryan5443
  • 336 Answers

SOURCE: dell 8200 won't turn on - power supply is good

Have you put in a CMOS Battery? Hard drive works?Any more information that was not in your first post?

RCF

Posted on Sep 06, 2008

sparky1500
  • 1066 Answers

SOURCE: Emachine Will not boot

different beeping patterns are codes which indicate what part of the hardware has failed (ram, video card, cpu, ect). the fan failure would not cause beeps, and would not cause the cpu to fail unless already in windows. if you could find out the manufacturer of your motherboard you could check with them about what the paticular pattern of beeps which you are getting mean.

Posted on May 17, 2008

  • 166 Answers

SOURCE: No video signal to Monitor.

Lack of video signal is usually 1 of 3 things, Power supply (PSU), Video card or Motherboard (mobo).
Situation #1: If you get a blank screen and no sounds or movement it either indicates that the power supply unit (PSU) has failed or something on the motherboard has failed, preventing normal startup.
Situation #1A: You might get some power lights coming on and some fans spinning but the video output does not happen, usually indicates that motherboard is going out or has gone out. Ocasionally it will be due to a weak (damaged) PSU.
Situation #2: If you get sounds and lights but nothing on the screen then it indicates a failed or loose video card.
Always try a different power outlet that you know is working. (Eliminate the easy stuff first!)
If it is out of warranty, try opening up the case, with the power off, of course. If you have Sit #2 and have a video card that you can reseat (take out and then put back in) try that. If it is onboard video then you may have to buy a video card for it.
Also take this time to inspect the capacitors on the motherboard (they look like tiny soda cans) and check for tops that are bulging, swelling or leaking anything. Capacitors should be perfectly flat on top. If you find these then your motherboard is bad (well technically the capacitors on your motherboard are bad). The bad caps will need replacing to fix (not a job for an amateur). If it passes the visual inspection then it may just be your power supply is bad. Notice that a bad PSU does not mean you are getting no power, just not enough to start and run the computer.
A few years ago a company stole the recipe for making capacitors and started making their own capacitors at really cheap prices. The stolen "recipe" was not complete and not correct so these caps started failing after about 2-3 years of use. Emachines, DELL and Gateway were the computer companies most affected by the bad capacitor issues, although any of the big companies could have the same problem. Power supply maker were also affected by these bad caps.
Do you hear anything during startup, beeps, fans or drives spinning, lights on the front or back of computer flashing or lit up? Do you hear the Windows starting sound?
Let us know more then we can troubleshoot better.

Posted on Mar 26, 2009

  • 130 Answers

SOURCE: Acer Aspire E360 doesn't star

the motherboard has expired and needs a replacement. just went through that problem with the exact same system here in my shop.

Posted on Jun 27, 2009

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Had my motherboard changed by local repair shop. Both fans are now running constantly & it is deafening, also power light no longer comes on and was told it was "no big deal". Have 2 like computers,...


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I have a Emachine desktop T6216 computer, that when i turn it on the fan comes on for about 5 seconds shuts off and power-up. Now when i turn it on the fan just runs and it doesn't power-up orupload


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Oct 15, 2009 | Computers & Internet

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Acer Aspire E360 doesn't start. The fan on mother board runs but nothing comes up on screen


the motherboard has expired and needs a replacement. just went through that problem with the exact same system here in my shop.

Jun 27, 2009 | Acer Aspire E360 PC Desktop

1 Answer

Emachine will not power up


By nothing else, from a technical standpoint this would mean literally nothing, the CPU fan, power supply fan, aux fan, disk drive not spinning up, etc. My experience with EMachines is their motherboards aint the best, have been known to take out hard drives and other peripherals to the mother board. If you are technically inclined the first thing to do is to bare out the system, Power Supply attached to the Mother Board w/ Cpu Monitor and Keyboard no Hard Drive and no Non esential boards installed, very carefully remove the memory and start it up all should be fine except it should give you a long beep from the PC Speaker indicating the Mother Board is aware there is no memory installed if it will not do this most basic of tests this is not good. If it does give you a health beep continue to install one item at a time, first the memory, the display should, if working, tell you there is a boot failure, of course, the hard drive is not connected, do so and keep on testing. Without knowing what type of mother board you have, most likely an AT with integrated peripherials the process to determine exactly what the problem is would take hands on trouble shooting. If you dont get the beep indicating the mother board cant determine if memory is installed and truley nothing else is on it is more likely the mother board. There are several good ones online that will fit your case if you want to go this route. Or is it time to upgrade ?

Jun 04, 2009 | E-Machines eMachines Desktop PC

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No boot, New PS, Green light on MB lights, No Fans running


Bottom line: Either your power supply or (hopefully not) the mother board has gone bad.
Replace power supply (remove old one), take to local independent computer shop, ask them for new unit. Should be around $50.00. - no more. After reinstall, if still no fans, boot, etc. Replace motherboard or buy a new machine. MB's installed probably will run you around $250.00-ish.
Good luck.

gurutim

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1 Answer

Computer is blank with nothing but beeps


Make sure the microprocessor fan is working. If so, take fan out and take processor out and then reseat it. This cleans the pins which might be corroded. keever

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