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Computer wont boot,

M

MrCoffee

Limp Gawd
Joined
Jan 10, 2004
Messages
480
Friend of mine was playing Age of Conan, and his computer locked up, hard freeze. He hit the power reset button on the front, and the computer has booted since.

It gets to the motherboard splash screen on reboot, and again just freezes. No beeps, no nothing. We've tried tapping ESC (sometimes removes the splash screen and shows whats gonig on), del (key to enter BIOS), nothing seems to work. We took out the battery to reset the CMOS (Left it out for 30 minutes), didnt work.

TF7025-M2 Is the mobo, Its a Biostar. There are no beeps. We've tried booting without keyboard hooked up, but nothing seems to work. We're open to suggestions, further questions or whatnot, and any advice on this issue. Tomorrow we plan to dehook everything from the mobo and see if it posts, its a bit to late and he's a little to tired to do all that tonight.
 
Sounds like maybe you have the same problem as I did. I could not post past c1. Hopeful, if you try different combinations of your ram you can get it to boot and then set bios to defaults.
 
MrCoffee said:
We took out the battery to reset the CMOS (Left it out for 30 minutes), didnt work.
Click to expand...
When you do a BIOS reset you also have to disconnect the PSU from the wall outlet. The PSU supplies a 5v signal to the motherboard that maintains power to the BIOS even with the battery removed.
 
Unplug the PSU power cable and flick the power switch a few times, wait ten seconds, then try to boot up again.
 
Hey folks. I am the guy with the trouble. Thanks for the responses. The power cable and PSU power switch were both off when I tried to reset CMOS by pulling the MOBO battery.
 
OK, so I pulled everything off of the MOBO except for the CPU. I power it up and no display at all now. Before with everything hooked up I just got the MOBO splash screen. Now with everything removed I don't even get that. I was not expecting that. I thought I would either get the same thing as before, or it would allow me into bios.

I am not sure where to go from here. Do I re-install everything and try again? At what point do I make a ruling on a bad MOBO?

Thanks for the help folks.
 
Maybe you got overzealous and pulled the speaker too? =P

Anyway, that sounds bad if it doesn't even beep. Normally, even if the only thing left connected to the mobo is the PSU and CPU, it should give you a memory error beep, plug in the memory and you'll get a video error beep (not sure about yours since your video is built in). You should get a beep no matter what.
 
Actually, it has never beeped. When I put the computer together, there was no beep. I read up and checked and checked and could not get the thing to beep. Everything worked fine so I said the hell with the beep and forgot about it.

By the way, the computer has been in use for about 10 months.
 
Could this also be a PSU issue? I initially discounted the PSU because the mother board splash screen comes up and all of the fans are turning but maybe?...

If so how can I rule out the PSU as a potential culprit?
 
Try some of these tactics....

enginurd said:
This is basic troubleshooting if your system has never POSTed (as in, you just put it together); Though, it may be helpful to others whose system no longer POSTs...
If you have both the 20/24 pin main ATX connector plugged in, AND the 4-Pin (or 8-pin) ATX12V P4 CPU connector plugged in, then the board should boot fine (unless it requires more power connectors from the PSU). First, try clearing the CMOS w/ the proper jumper or button.

The next thing you could do is test the PSU. Jump start it (on the main atx connector, short the green wire with any black wire, using a paperclip), and see if it stays on. If not, then its probably a faulty PSU. If it works then you can proceed with the suggestions below. ***NOTE: The paperclip trick is a simple test for those that do not have PSU testers, multimeters, nor a spare PSU to test with. It is not a 100% conclusive test of the PSU.

How to test with a multimeter @ BFG

Setup everything outside of the case, with the mobo on top of its cardboard box. Plug in only the essentials:
- PSU (namely: main 20/24-pin ATX connector and 4-pin ATX12V P4 CPU Connector; The 4-pin should work in the 8-pin EPS12v plugs, too)
- CPU w/ HSF
- Single stick of ram
- Videocard if there is no onboard video (along with its power connector, if it has one)
- System speaker/buzzer (your board may have an on-board tweeter/buzzer/speaker)
- Monitor & Keyboard

Reset/Clear the CMOS by following the instructions in your mobo manual.

* Use a screwdriver if your board doesnt have an onboard power switch. Jump the two power switch leads to turn the power on.

If it won't post, try different RAM slots. If it still won't post, pull out the ram (so no ram in the system) and listen for error beeps. If none, pull the vidcard and listen for error beeps. If none, re-seat the CPU and HSF, then try again. Report back with results if you're still having issues.
Click to expand...
 
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