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[Puzzler] New comp boots in one bldg not another; tested with 2nd com

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November 8, 2012 10:46:42 PM

This is potentially a long story, I will try and boil it down to the essentials and answer any relevant questions if they come up. It's another story about a computer that works from one plug but not another, however, I submit that mine is different because I happened to have a second, almost identical computer to test it against. The result is, I have one computer that works in two locations, and another almost identical one that only works in one. I am reasonably sure this is not a line voltage/wattage issue, but have no idea what to do next.

The meat of it: I have two almost identically-specced computers, components bought within the last three months and assembled at home or at work. One of them works fine at work or at home. One only works at my house, not at work. I used the same outlets. I have RMA'd the motherboard, and tried swapping from the "good computer" into the "bad computer": CPU, power supply, and RAM. The result is identical each time: the "bad" machine will power on, go through a few hexidecimal codes on the monitor, give one short beep, and then give a message that my previous overclock settings failed (gave this before I ever successfully booted it,), and prompt to either F1 reset or F2 setup. Either option causes a restart with the same sequence ensuing.

Mobo and case are both ATX, and I have only installed the correct standoffs (6 total). The Diablotek case is not visibly damaged (which is more than I can say for the Rosewill), I have cleared the CMOS with the jumper, and I have been testing it with a minimum of headers plugged in (no reset switch), although at home all of the headers work flawlessly.
The floor is hard and smooth at both places; plywood at home and concrete at work. Tipping the case/putting it on its side does not make a difference at either location.


Good Configuration
Bought for home, personal use
CASE Rosewill Redbone ATX Mid Tower
CPU i5-3570k
MOBO Biostar TZ77B
PSU Rosewill Hive 650 Bronze
RAM (first) 2x4GB Patriot Viper 1600 1.5V
(now) 4x4GB Kindgton Blue 1600 1.65V
GPU AMD V4900
STORAGE 90GB Kingston SSDNow SATA III
2TB Seagate SATA III HDD
CD DRIVE Yes


"Bad" Configuration
Bought for work several months later
CASE Diablotek Evo ATX Mid Tower
CPU i5-3570k
MOBO MSI Z77-G41
PSU Corsair Builder CX430 Bronze
RAM (first) 2x4GB Kingston Blue 1600 1.65V
(now) 2x4GB Patriot Viper 1600 1.5V
GPU AMD V3900
STORAGE 64GB OCZ Agility 4 SSD SATA III
1TB Seagate SATA III HDD
CD DRIVE Yes
a b B Homebuilt system
November 8, 2012 11:51:37 PM

OK try any of this you can and also check out this for the beep code
http://www.computerhope.com/beep.htm

1) Update bios(if possible)
http://www.tomshardware.com/forum/308518-30-update-bios
2) Clear Cmos, do this if you cant start or have messed with the bios (don’t forget to unplug the computer from the wall and let it sit for few minutes, if you don’t have a jumper than remove the battery make sure the computer is unplugged and let it for about10 minutes before putting the battery back in)
http://www.youtube.com/watch?v=Pdp_L5IxaNI
3) Check your psu
http://www.youtube.com/watch?v=5FWXgQSokF4
4) Make sure your computer is hooked up correctly
http://www.tomshardware.com/forum/261145-31-perform-ste...
5) Run memtest(if possible)
http://www.memtest.org/
6) Run Burnintest (if possible)
http://www.passmark.com/download/bit_download.htm
7) If all else fails then try a gpu, Ram, or psu from another computer
Hope this helped! :D 
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