Solved what is causing beeping and stay up failure

October 27, 2015 at 09:39:25
Specs: windows
emachine et1641-02w beeping. The screen froze and a hard shutdown was performed (holding power button). When attempting to restart the process would begin but fail immediately (1-5 second). I removed the cover, blew the dust out and tried again with same results. Tested power supply (PSU) which failed the tests. Replaced PSU. Upon start up there is a consistent beeping. I removed each ram card, one at a time to see if one was corrupt and have even replaced the card with same results. Any other recommendations? Thanks

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✔ Best Answer
October 27, 2015 at 21:56:47
If the PSU was bad it's possible it ruined the motherboard as well. The fact the cpu fan remains at high rpm means the bios is never getting to the point where it is able to control the speed.

The beep codes for your particular model should be in its user guide but emachine info is getting to be really hard to find.



#1
October 27, 2015 at 17:22:00
"Tested power supply (PSU) which failed the tests"

I'm curious how you did that because there is no way for the average user to properly test a PSU without the proper test equipment. You might be able to check voltages with a multimeter (5%+/- tolerance is OK) but there's no way to test amperage.

The beeping is the clue. What is the pattern? See if it can be found at the following site. I know it's not for your model but the codes should be the same.

http://www.manualslib.com/manual/39...


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#2
October 27, 2015 at 17:34:57
Thanks for your reply. I am an electrician by trade so I'm familiar with testing procedures. After jumping out pins 15 and 16 the fan did not operate and there was no voltage output on any pins.
Online I found a number of beep codes but for the most part it was inconclusive. The beep is a steady on/off with no patterns of short/long or high low.
I was surmising that because the CPU cooling fan was maintaining a high rpm perhaps there is a faulty temperature sensor that will not allow the computer to boot.

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#3
October 27, 2015 at 18:04:07
Disconnect all peripherals and remove any extension board.
Check the coin battery. Remove it for a while and check voltage (should be 3V+)

This is an old machine. Hardware problem (motherboard) possible.


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#4
October 27, 2015 at 18:28:37
Thanks for your feedback. The battery was reading 3.04v so I eliminated that potential. I'm suspect of MB issues as well. Being about seven years old I guess I got pretty good use out of it anyway. Thanks for the assistance.

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#5
October 27, 2015 at 21:56:47
✔ Best Answer
If the PSU was bad it's possible it ruined the motherboard as well. The fact the cpu fan remains at high rpm means the bios is never getting to the point where it is able to control the speed.

The beep codes for your particular model should be in its user guide but emachine info is getting to be really hard to find.


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#6
October 28, 2015 at 06:43:52
Yes, there isn't much available for emachines out there, even the manual doesn't harbor too much helpful info plus they went to a fee based support system for units outside of warranty, which by the way is not very responsive.
I purchased a new unit and added my old hard drive to be able to recover the data that was not backed up when the old unit failed, so I'm glad the hard drive was not affected. Thanks for your input

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