Help me work out what's died!

Cyanide

Cyanide

Cyanide

Soldato
Joined
5 Mar 2006
Posts
3,975
Location
Nottingham
Slight problem!

I'm in the middle of upgrading my pc and building a new one for my brother in law. I've dropped my old FX6100 in his and stuck a brand new FX8320 in mine.

The last 2 days both have been running fine but I took a stick of RAM out of my pc to get his to boot as the RAM I'd ordered for him was on back-order.

The new RAM turned up today so I stuck it in the new pc and put the old stuff back in mine. Both booted fine.

I then started to get issues with the USB hardware on my pc, everything locked up and had to be unplugged and plugged back in to work. The the whole thing locked up and would't turn back on.

When I press the power button all the fans kick in, GPU spins up but seems to hesitate and stutter and I get nothing on the screen.

I've tried the following -
Different GPU,
Different PSU,
Different RAM,
Different GPU, PSU, RAM with everything else unplugged.

The only thing I haven't tried is a different CPU.

I'm thinking the motherboard's died, I'll probably test the CPU's in a few minutes.

Has anyone got any suggestions?
 
Tough one id suggest clearing cmos one of the other guys with more tech knowledge will be along shortly :) but chances are if you have tried changing psu's and such it could just be your mobo has given up the ghost .
 
CMOS has been cleared, still nothing.

It's a Gigabyte 990 XA UD3 around 18 months old. If it is that I assume the warranty will cover it?
 
I agree by leaving out the mb cmos battery for a few minutes,then try

might need to setup the ram if you've added more,maybe enable x.m.p memory profile if the ram supports it

EDIT: seen above posts,try a longer cmos clear
 
Had the CMOS battery out for 10 minutes, rebuilt everything with my original components and it seems to be working, USB devices are still being intermittent though so I'm going to have to keep an eye on it...
 
Grrr... Need to revive this thread I'm afraid :(

Did a clean install of Windows at the weekend as my primary HDD was very full. Everything worked fine for 2 days but now it gets stuck at the Gigabyte graphic screen just before POST. It did load up once after about a dozen resets, went through a Windows update 'installing updates' screen then reset and wouldn't load again.

I've tried a cmos clear but it's not fixed it this time. GPU, motherboard and processor must be fine as it's booting to the first screen but nothing else works. I can't get the actual post screen up or get in to the bios as despite me mashing it as hard as I can the keyboard's doing nothing.

I'm thinking PSU issues, any suggestions?
 
Should probably specify -

Gigabyte 990FXA-UD3
FX8320
8Gb Kingston HyperX
Corsair HX620 (few years old now, hence the concern)
HD6950
Crucial C300 64GB
Seagate 1tb HDD
Watercooling gubbinz
 
Unplug all USB devices except keyboard and mouse, especially if you have a usb mmc card reader, these tend to die and cause boot issues.
see if this improved stability and booting and then re conenct each usb device and test 1 at a time to see if you have a faulty usb device.
 
Try updating all the motherboard drivers.

Try using only one stick of ram in different slots.

Any yellow triangles in the device manager?

Unplug every thing bar the monitor and see if it is ok.
 
Maybe I'm being a dinosaur, but does your board have a PS2 keyboard slot? I know some of the newer ones have done away with it.

Try a PS2 keyboard if it does? Might get you into BIOS so you can do some poking around.
 
Last edited:
Righty, unplugged all my USB devices and it's booted and now works with everything plugged in. Getting rather frustrated with this now as it definitely seems to be a faulty USB something. Either that or the PSU is struggling.
 
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