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No display from motherboard

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J

jmancrafter5

PCHF Member
Nov 13, 2018
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#1
Awhile ago I was switching cases in my PC and my motherboard shorted out. I heard a very loud pop and the smell of something burning. I unplugged and took everything apart and decided I needed to buy a new motherboard. About a week ago I bought a new motherboard and plugged everything in. I turned the system on and everything turns on. Hard drives spin up Dan's turn on etc. But there was no display. I took out the cpu to see if there was any differences when I turned it on and there wasn't. Could I have ruined my processor when the original motherboard shorted? My specs are
Gigabyte GA-78LMT
amd fx 6300
16gb hyper x ddr3 ram
2 1tb Western digital hard drives
 
#6
Are you using any other parts that were attached to the motherboard that got fried?

Other parts that may have been affected.
RAM
HDD
CPU

Plus did you ever discover why they other motherboard got toasted?

jmancrafter5 said:
Gigabyte GA-78LMT
Click to expand...
Which Revision

How are you cooling the system and did you use thermal goop (proper amount) and remove any of the old prior to applying the new?
 
#7
i switched to different ram for testing purposes and that didnt change anything. one of the main capacitors on the board got fried and i think it shorted to the cause. i am using the same hard drives but the spin up and work fine when i put them in my buddies computer. the board is GIGABYTE GA-78LMT-USB3 R2 AM3+/AM3 AMD 760G USB 3.1 . the proper amount of thermal compound was applied and it was suing stock fan and heatsink
 
#8
jmancrafter5 said:
i am using the same hard drives but the spin up and work fine when i put them in my buddies computer.
Click to expand...
Were you able to read the information form the HDD?
Did you run any test to confirm that the HDD was still in proper working order? Which ones what were the results?

Nothing is Over Clocked?

Rustys said:
jmancrafter5 said:
Gigabyte GA-78LMT
Click to expand...
Which Revision

How are you cooling the system and did you use thermal goop (proper amount) and remove any of the old prior to applying the new?
Click to expand...
 
#12
On most motherboards there a connectors for the CPU fan have you confirmed that it is properly plugged in there?

The Fans are coming on?

Do you hear beeps and or any sound coming for the system?

Only other thing I would suggest is the CPU granted it is rare that they get hit usually the other hardware bare the brunt.
 
#14
The lights on the motherboard do they one on and which ones?

Have you tried a different monitor?
No post or anything come up?

You stated that
jmancrafter5 said:
Yes it has built in vga dvi and hdmi and i have tried all three of them
Click to expand...
If the monitor that you are trying is disconnected form the system and turned on does it display anything?

The RAM is installed in the correct slots?

When the system is turned on what color are the lights on it and do they change?
 
#15
No lights on the board. It's a cheap board. Doesn't look like it has any lights. Yes the ram is installed correctly I've used a few different monitors all with the same result. I use my monitor with my Xbox so I know it works.
 
#16
jmancrafter5 said:
Yes it has built in vga dvi and hdmi and i have tried all three of them
Click to expand...
Did you physically remove the primary GPU before testing with the on-board graphics?

When you replaced the motherboard, did you replace the old motherboard standoffs with the new ones? Can you make sure the standoffs are screwed in all the way?
 
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