• We’re currently investigating an issue related to the forum theme and styling that is impacting page layout and visual formatting. The problem has been identified, and we are actively working on a resolution. There is no impact to user data or functionality, this is strictly a front-end display issue. We’ll post an update once the fix has been deployed. Thanks for your patience while we get this sorted.

HELP.....Problems with VGA. GTX 460. No boot No post. NOTHING

MentalIlness

MentalIlness

Platinum Member
Ok, The computer is not mine. It is my younger brothers.

Specs are....

Core I5 750 "Stock"
2x2 GIG Sector 5 "4 GIG Total"
EVGA GTX 460 "Stock"
Biostar T5 XE Crossfire/SLI Motherboard http://www.newegg.com/Product/Product.aspx?Item=N82E16813138162&cm_re=Biostar_T5-_-13-138-162-_-Product

OCZ 700 Watt SLI
Windows 7

Problem.

First of all, the computer would constantly reboot itself. And he has tried to overclock in the past. But it has been at stock for a while. So he called me, and I told him several things to try. Like clearing CMOS, removing and reinserting battery and things like that. Even last night I went to his house, and tried powering up on cardboard. Still nothing works. And when I say nothing works, I mean when the power button is pushed or the power button on the motherboard is pressed....Nothing powers on. AT ALL. No fans, no LEDS, no beeps, ZERO. It is just like the computer is not even plugged in to an outlet.

I asked him how it first happened when it rebooted constantly. He said and I quote "It was running fine. Perfect. So I took it apart to take pictures of the hardware". I asked him why he did this, he said just to have the pictures. He then told me when he put it back together, it would just keep rebooting. Ok....At that point I advised the CMOS, and removing the battery. But after that, it wouldnt power on at all.

EDIT: I posted here in VGA because he seems certain the GTX460 1-GIG is causing the problems.
 
Last edited:
Sounds like the PSU. I had a vid card brick to the point that nothing would boot. Wouldn't even get to the first post. Fans in the PC still worked though.
 
I was thinking it "could" be the PSU. The PSU he just received through an RMA from OCZ. The first one he had died. But it died in his "old" pc that he upgraded from. And the RMA PSU went into this new build.

But yea, there is no fans, LEDS, Power Supply fan dont even come on.
 
Check and see if he plugged everything in to the motherboard correctly when he re-assembled. Particularly the 4/8 pin CPU power plug.
 
no power at all,... i'd go over the pwr switch connection to the mobo from the case. Make sure it's oreinted the correct way.


If no go with that, it sounds like could be PSU. Doubtful on vid card. Try booting with just one stick mem, no hard drive, no optical drive no add in cards, use the 460 though.

Were the frequent reboots occuring when he was OC'ing?
 
how to fix computers that don't boot:
1. replace the battery on the mobo. (very small chance, but it might solve the problem).
2. replace each part individually until the computer boots, the last part you replaced is the one that is broken.

Do you have a video card? put your video card in his computer instead of his 460 and turn it on, if it doesn't boot then he was wrong (as I am almost certain he is) and it is something else.

not booting is literally the easiest problem to solve in computers... now, if you have random blue screens every 3 days... THAT is a huge a PITA to diagnose and solve...
 
Attic said:
no power at all,... i'd go over the pwr switch connection to the mobo from the case. Make sure it's oreinted the correct way.
Click to expand...

This. Sounds like he didn't put things back together correctly. Double check every single front panel connection. Also make sure all power connections are in place. Heck maybe there is a short somewhere. Take out the mobo and look for any loose screws or extra stands.
 
yes, there is no way the video card would prevent any sort of power on at all. either psu or incorrect mobo connection.

an easy way to check if he has an extra psu is to swap them out. barring that pretend it's a new build, get it running out of the case first then install back in the case.

if he is certain that it's the gpu he can easily check by trying out a different one.
 
bryanW1995 said:
yes, there is no way the video card would prevent any sort of power on at all. either psu or incorrect mobo connection.
Click to expand...

there is, in fact, a way for the video card to prevent it, as well as any other expansion card...
if the video card is creating a short circuit it would prevent bootup. I have personally seen shorted out USB cables, a sound card, and SATA port that prevented bootup by creating a short circuit. it is, however, extremely rare and unlikely.
 
Well, He took all he hardware out of the case, except for the motherboard. And he didn't take off the power switch connections either. But anyway, like I said...Last night I checked those myself and they were fine.So I know it isnt the connections for the power switch pins.

And no, when it was up and running, it wasn't rebooting on it's own, and it had zero blue screens. Also, I checked myself. And all power connectors are fine and plugged in.

Motherboard was never disconnected. Then he just put it all back in, and it was rebooting on its own. It started not booting at all after he reset the CMOS and removed and reinserted the battery. And now it does nothing.
 
Last edited:
I was going to try to see if his computer would power on with my power supply, but the way I have cables routed in the P182 I have....it would be a real pain in the ass to take it out, then reroute them.
 
cusideabelincoln said:
This. Sounds like he didn't put things back together correctly. Double check every single front panel connection. Also make sure all power connections are in place. Heck maybe there is a short somewhere. Take out the mobo and look for any loose screws or extra stands.
Click to expand...

The motherboard has a built on power button on the bottom under the PCI Express slot. Also has a reset button there as well. Neither work.

So yea, tried powering it up that way as well, without using the power switch on the case front.
 
When you say he left the motherboard in the case, does that mean just the motherboard? Or did he leave the CPU and RAM in it also?
 
compman25 said:
When you say he left the motherboard in the case, does that mean just the motherboard? Or did he leave the CPU and RAM in it also?
Click to expand...

I am currently texting him on the cell to find out more info. He just informed me the only parts he removed was the memory and GTX460. Although he unplugged all power connectors. Including the power supply cable to to the wall.
 
Sounds like a good excuse to pickup a PSU tester. The Rexus or Coolmax one on Newegg look fine.

You can usually get PCs to spin up the fans and give a post beep code without a graphics adapter, so that should be first though I doubt that really is the problem.
 
When he was removing components to take the pics could he have grounded a static charge through the mobo?
That would explain the no post, no nothing situation.
 
I hope this isn't (actually I do hope it is, but you know what I mean) something simple like checking the I/O switch on the PSU. You did check it was on, right?

Also since he only took out the video card and RAM I would reseat them again. Also check the slots for any shorts.
 
LOL..yea. That would be simple. But already checked the switch on the back of the PSU. That was one of the first things I done. And I myself had reseated the GPU and memory.

I found an "extra" PSU lying around here at my house. Going to let him try it tomorrow.
 
check what procedure he used when disassembling. I had a system in sleep mode when power went out. it would not boot/post/beep no matter how many times i re-assembled.

what fixed it for me:
-remove cmos battery and let board sit 24 hours.
-rebuild and test.

i did clear cmos jumper, remove battery & press power on button, remove battery for 3 hrs, and a few others. 24hr wait was the only thing that worked for me.
 
gorobei said:
check what procedure he used when disassembling. I had a system in sleep mode when power went out. it would not boot/post/beep no matter how many times i re-assembled.

what fixed it for me:
-remove cmos battery and let board sit 24 hours.
-rebuild and test.

i did clear cmos jumper, remove battery & press power on button, remove battery for 3 hrs, and a few others. 24hr wait was the only thing that worked for me.
Click to expand...

Although I did remove the battery, I didnt leave it out no where near that long. I think about 3-5 minutes or so.
 
Usually whenever I open my rust bucket with the power unplugged to clean stuff, I'd plug it back in but it would never power back on. I knew it had something to do with the mobo because I tested two PSUs on it. What solved it for me was pressing & holding the power button for 20-30 seconds or so... this 'shuts down' my shut down system. Makes no sense I know. Then I press it again, and voila, it boots.
 
You must log in or register to reply here.

TRENDING THREADS

Back
Top