My PC won't boot, no beeps, and I haven't tried everything I could find online!

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Sal2027623

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Jul 29, 2013
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I turned off my PC last night, and today when I went to turn it on, I noticed that it does go through a boot loop meaning that fans start working and it's on for about 10 seconds and then it turns off and after two or three seconds it turns back on and the process continues, so I did a little bit of research on your website and other websites, and I followed the steps given each by each(breadboarding, checking CPU, RAM, ....) and I even reseted the CMOS, so this is what I have now; I have motherboard connected to the power supply and CPU with or without RAM it does the exact same thing, 10 seconds on and off and the same cycle! I have check the voltage of power supply of each wire and they math what they're supposed to be and I even tried another power supply , but it still does the same thing! I should mention that there is no beep that can be hear either! I don't know if my internal speaker is working properly or not, but assuming it dose, there is no beep signal. I turn it on by shorting the POWER SW pins on the motherboard. the only way that I have been able to keep it on is to by the paper clip trick to short the green wire with one of the black wires on the 24 pin connector, and still no beeps ! and I haven't hooked it up to a monitor with it being on using the paper clip, so I really don't know if it boots successfully with that, so now I'd like to get an educated opinion from you guys that can help me to find out what's wrong ? I really appreciate you taking the time! and BTW my motherboard is Gigabyte P55A-UD3 with intel i5
 
Solution
Tom Tancredi
Next test would be stick the RAM back in and instead unseat the CPU. If you still get no beep code errors, then the Mobo is dead. IF you do get a beep code, then the CPU is dead. But in anycase this computer seems toast and you would need a new PC anyway.
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Ironsounds

Ironsounds

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Jul 31, 2011
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Hello... it's possible your mother board doesn't have a speaker, if your case does it must be hooked up close to where your Power button is connected too.
Re-cycling of power can mean the MB/BIOs cannot find a proper memory setting to boot with.

Try removing your memory, clean them with rubbing alcohol,
1) install one Stick ONLY into the memory slot closest to your CPU
2) Try only the other stick.
This will determine if you have one bad stick of Memory.

Do you have on MB video? remove your Video card and connect to the MB video connectors and set your monitor for those input connection type.
 
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Sal2027623

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Jul 29, 2013
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Thanks for the prompt reply, but I had done that, and I have stride all the 4 slots, but it doesn't change anything, and BTW I do have a small speaker that I have connected to my motherboard, but I just don't know if it's good or not because I don't hear any beeps. Thanks again
 
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Ironsounds

Ironsounds

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Jul 31, 2011
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Hello... Can you try your memory into another computer? or a friends computer to verify they are good?
Your at the point now that you need to verify your parts with a known working computer... even your Monitor and CPU before you can do RMA on the MB.

ALSO try a new power cable to your PS... I have seen faulty/damaged power cords many times.

Also check your Power Outlet at the WALL... I have seen a many wires loose at the outlet screws.
 
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Sal2027623

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Jul 29, 2013
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Thanks again for the response, I just went and opened up another PC that we have, and fortunately that was a DDR3 as well, so I put in my RAM inside the other PC and it worked just fine, so it's not the memory :(
 
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Tom Tancredi

Tom Tancredi

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Next test would be stick the RAM back in and instead unseat the CPU. If you still get no beep code errors, then the Mobo is dead. IF you do get a beep code, then the CPU is dead. But in anycase this computer seems toast and you would need a new PC anyway.
 
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Solution
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Sal2027623

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Jul 29, 2013
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Thanks for the reply! I do want to upgrade this computer, but I need to make sure which of the CPU or the motherboard is dead. I did stick the RAM back into my PC, and I even tried the other RAM from the other PC, and still no beep, and it goes through that cycle again! I totally agree with you, but what if the speaker is bad? is there anyway to make sure that the motherboard is dead without relying on the beep? Thanks
 
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Ironsounds

Ironsounds

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Jul 31, 2011
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Hello... you can hook any kind of speaker to the PINs at J1... its hard and small wires/pins are needed... Check your manual for pin location... they are where you connect your power switch/reset swtich etc..
Becareful and smart to do this... cut up a old spare MB/audio connector.
Or go to your Local Radio Shack tomorrow for a clever way to do this, they have parts bins and even PC speakers there!
 
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Tom Tancredi

Tom Tancredi

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Past 20 years I have come across *1* PC speaker that was dead. So NO it isn't the speaker. As I said, if you put IN the RAM and take OUT the CPU and you still don't get a beep error code on power on then the MOBO is dead, and MOST LIKELY the CPU.

The only SUREFIRE test for a Mobo/ CPU is to have the EXACT SAME Mobo to test with, swap the CPUs, between known good and possibly bad, if the known good CPU doens't boot the bad computer then the Mobo is dead, and IF the bad CPU on a good known motherboard doesn't boot then the CPU is also dead.

When we get to hardware level like this it is only testing with a known system that can support the same hardware specs that you can 'validate' the results, which is what IT stores can do with the large stock of items they carry.

Personally I would just forgo anything else, go to Slickdeals.net grab a desktop i5 Haswell for $349, call it done.
 
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Sal2027623

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Thank you! :)
 
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Sal2027623

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Jul 29, 2013
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Thanks for your input. I do agree that most likely the motherboard is dead, but I don't want to just go and order a new desktop. I built this computer myself 4 years ago, and I have upgraded my VGA and power and RAMs so far because I do designing with solid works, and I'd rather now upgrade to an i7 I think, but I really want to find out if both are dead lol !! :) Thanks again
 
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Sal2027623

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Jul 29, 2013
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BTW, I took the CPU out and left the RAM in, and it turns on, but it won't even stay on for 10 seconds that it used to, it tens on for about 2 seconds and goes off, on again , off again , ....
 
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Tom Tancredi

Tom Tancredi

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Then you performed all the necessary tests to prove the Mobo is dead. FYI if you check ANY of your components the MAX warranty for use is base don 40 hours per week average use for no more then 3 years from time of purchase. So yes in year 4 it is potentially going to die, and by year 5 you better replace the system because it isn't hardware/software compatible with current tech (for consumers, business trades out at 3 years to ensure everything stays under warranty).

Today computers (as compared to the past) are now designed like cell phones, similiar costs (check the prices of a Galaxy or iPhone then look at the PC prices) and similiar life span to be 'disposable'. Common users would get a i3 (around $249 at Walmart) more performance would get a i5 ($349) and demanding people would get a i7 ($529) base models, then like Automobiles, the more you customize the 'order' the more it costs from the 'base model' configuration. You can get a i7 Haswell Desktop, 8GB RAM DDR3, 1TB HDD (7200 most of the time but better double check they don't put in a 5400), DVD, W8, and Warranty for only $529. Then normally if you want say a Nvidia 660 or a R9 270, you would need to replace the PSU as well as added costs to that base. Now you can forgo that and just grab a Nvidia 750TI (300W needed) for only $120 (PCpartpicker.com) and that is pretty decent card in the meantime with the excellent base system then mod ad you go along from there (16GB, Nvidia 860, SSD, etc.) to push the tech to the limit.
 
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