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New Core2Quad Build: No BIOS, No POST, No Beeps, HDD LED on, CPUFan On

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July 8, 2009 12:10:55 PM

I assembled a new system as follows:

Mobo: ASUS P5KPL-CM
Intel Core 2 Quad Q9550
OCZ DDR2-1066 4GB Kit
Seagate Barracuda 1.5TB 32 MB Cache, 7200 RPM
MadDog DVDRW drive
500W PSU


This system, when assembled, went through POST but kept crashing on Vista or WinXP installation. After several tries of troubleshooting, I finally figured out that one of the 2GB RAM sticks was bad. So I kept the good stick of RAM in, and went ahead and installed VISTA and all. Everything was great. Now all I needed to do was go back and exchange the RAM.

I exchanged the RAM for Corsair XMS2 DDR2-800. Now my configuration was as follows:

Mobo: ASUS P5KPL-CM
Intel Core 2 Quad Q9550
Corsair XMS2 DDR-800 4GB Kit
Seagate Barracuda 1.5TB 32 MB Cache, 7200 RPM
MadDog DVDRW drive
500W PSU


As soon as I had swapped the RAM and tried to boot it, I got NO VIDEO signal. No POST. No BIOS. No beeps either. No light on keyboard too. HDD light is always on. Power LED is on. The motherboard LED is on. CPU Fans spin. DVDRW drive works (i.e. tray opens/closes), I can even hear the hard drive spinning and all.

So I first disconnected the HDD and the DVD RW. Still same problem.

Removed one RAM stick. Same problem.
Removed the other RAM stick put the first one back on. Same problem.
Switched RAM slots. Same problem.
Removed BOTH RAM sticks. Same problem.
Finally, just had the CPU and heatsink/fan on there, but still same problem.

Frustated, I went and exchanged the mobo. Got a Gigabyte GA-G31M-ES2L. Now rebuilt the system as follows:

Mobo: Gigabyte GA-G31M-ES2L
Intel Core 2 Quad Q9550
Corsair XMS2 DDR-800 4GB Kit
Seagate Barracuda 1.5TB 32 MB Cache, 7200 RPM
MadDog DVDRW drive
500W PSU


After assembly I still have the SAME FRIGGIN problem. No video. No beeps. No POST. No BIOS. No light on keyboard too. HDD light is always on. Power LED is on. CPU Fans spin. DVDRW drive works (i.e. tray opens/closes), I can even hear the hard drive spinning and all.

I tried the same routine .. disconnected the HDD and the DVD RW. Still same problem. Removed one RAM stick. Same problem. Removed the other RAM stick put the first one back on. Same problem. Switched RAM slots. Same problem. Removed BOTH RAM sticks. Same problem. Finally, just had the CPU and heatsink/fan on there, but still same problem.

CAN SOMEONE PLEASE HELP ME BEFORE I GO NUTS HERE???????

The motherboard should be good because its a new one. The other problem may be the CPU, but it worked once to a point where I was able to install Vista and work it fine.

Again, please help. Thanks in advance!

- SM
July 8, 2009 12:53:11 PM

Is your PSU working properly? You didn't forget to connect a power cable?
Quote:
I exchanged the RAM for Corsair XMS2 DDR2-800. Then I reassembled the system
Why did you have to reassemble the system after swapping RAM?
July 8, 2009 12:57:28 PM

GhislainG said:
Is your PSU working properly? You didn't forget to connect a power cable?
Quote:
I exchanged the RAM for Corsair XMS2 DDR2-800. Then I reassembled the system
Why did you have to reassemble the system after swapping RAM?


Yes, the PSU is connected. How else would the CPU fan work, the HDD LED be on? Also, the DVD RW tray works and I hear the hard drive spin.

I encountered this issue (no video, no RAM, etc.) right after swapping the RAM. No matter what I tried after, the problem remains. That's when I decided to swap the MOBO for the Gigabyte. Still the same problem.
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July 8, 2009 8:20:33 PM

You'll have to start testing your parts (or have them tested), including the PSU.
July 8, 2009 9:02:38 PM

did you check your psu? maybe you didn't plug it in
July 8, 2009 9:14:54 PM

just kidding. I had a similar issue last week my comp would not boot. power is all on fans led etc, everything connected but none of the input/output's would work (video, mouse, etc).
I RMA'd my mobo and sent it away. I blame the motherboard. I'll let you know what happens. I really hope it is my mobo as I am not 100% sure. But my package was recieved this morning so I should get some sort of confirmation in the next day. Hopefully I will recieve a new board by next week =\
July 8, 2009 10:11:31 PM

itsgrandpa said:
just kidding. I had a similar issue last week my comp would not boot. power is all on fans led etc, everything connected but none of the input/output's would work (video, mouse, etc).
I RMA'd my mobo and sent it away. I blame the motherboard. I'll let you know what happens. I really hope it is my mobo as I am not 100% sure. But my package was recieved this morning so I should get some sort of confirmation in the next day. Hopefully I will recieve a new board by next week =\


Great.. do let me know!! It sucks if its the mobo because this is the second one (Gigabyte), after I'd returned the first one (Asus) back.
July 9, 2009 2:31:13 PM

Please give us more details about the power supply.
July 10, 2009 1:52:40 AM

gopalkamat said:
Great.. do let me know!! It sucks if its the mobo because this is the second one (Gigabyte), after I'd returned the first one (Asus) back.



Ah... don't tell me was it a P6T ...

EDIT:
D'oh! its not a x58
well thats no good, i think asus should fix their QC
July 10, 2009 3:13:48 AM

Hey, have you tried switching CPUs (if you have another CPU available)? I know you were able to install your OS, but could have just went dead on you. Also, though I'm not quite sure I believe this to be the problem, check your PSU.
July 10, 2009 6:05:58 AM

CPU and ram is the same on both motherboards, maybe the ram has issues.

If you have 2 sticks only install 1 and try to boot if no good try the other in slot one and later in slot 2. Could be bad memory connector / slot.

If you have a old PSU try it as well you never know.

Make sure all the needed connected cables is connected to the motherboard and only have cpu ram motherboard and PSU + power button connected and try again.

If it works connect 1 other item at a time to see what causes it to stop working.

The Gigabyte can only take 4gb ram apparently.

There should at least be a fan starting or something indicating the power is passing thru somewhere.

Test ac wall socket with a lamp and smell the PSU for burn smells when power cable is disconnected, could be a tripped circuit braker.
July 10, 2009 6:11:05 AM

Remove the video card and use the inbuilt video as it could start this way then set the bios to default and reboot back into bios and set the video to be first pci-e for video card and 2nd inbuilt video or boot from inbuilt video if possible and update the bios to F8 then reboot and if all is well install the video card and have the video to screen cable connected to inbuilt video = no show then connect to pci-e video card.
!