nukchebi0
Пушкин, наше всё
+387|6583|New Haven, CT
Recently, my two and half year old computer (at home) began having issues with starting up. Originally, it would only fail to start up when the video card slipped and became unseated, but now it is afflicted with a more complex and aggravating problem. Essentially, I'll turn on the computer and all the fans will start up, but it won't POST. The video card fan will achieve the same high-revolution rate it does at the onset of of a normal start-up, but instead of settling down just prior to the POST, it will maintain this speed indefinitely. There is no signal to the monitor, despite the obvious fact that the video card is seated properly and functioning. To me, it seems as if the system is halted is pre-POST mode, as if it is missing something that signals it it should proceed forward with the boot process.

The problem would be less aggravating if the computer could never start up (because at least I could reasonably conclude it was the video card, or at least glean some insight from others who have this issue - Google only yields cases in which the computers can't start), but I've found a way to consistently make it function properly. After a bit of experimentation and frustrated troubleshooting, I noticed that if I let the system sit in its frozen state for a couple of minutes, shut it down, and then restart it, it will invariably boot properly. While it's nice to know that I can still use the system, I don't think this workaround is optimal for the long-term health of the computer, nor does actually the solve the underlying (and unidentified) problem with some aspect of the circuitry. Has anyone heard of this issue before, or is at least able to contribute something to solving it?


Specs:

Gigabyte GA-P35-DS3R
Core 2 Duo E6750 with AC Freezer 7 Pro
4 GB Crucial Ballistix DDR2 800
Evga 8800GTS 512
Samsung SpinRite 400GB
Lite-On DVD Burner
Seasonic S12-550HT

Last edited by nukchebi0 (2010-03-11 18:08:22)

max
Vela Incident
+1,652|6826|NYC / Hamburg

start off with the usual tests: reset bios, run LinX, Memtest86+ and furmark. Check that everything is connected properly, clean and nothing is shorting out.
once upon a midnight dreary, while i pron surfed, weak and weary, over many a strange and spurious site of ' hot  xxx galore'. While i clicked my fav'rite bookmark, suddenly there came a warning, and my heart was filled with mourning, mourning for my dear amour, " 'Tis not possible!", i muttered, " give me back my free hardcore!"..... quoth the server, 404.
nukchebi0
Пушкин, наше всё
+387|6583|New Haven, CT
How would I interpret the LinX results, or should I just use it to ensure the processor is running with some measu  eof stability.

Last edited by nukchebi0 (2010-03-11 18:55:32)

max
Vela Incident
+1,652|6826|NYC / Hamburg

Set LinX to the max ram amount, 20 runs. If it passes it'll look like this: https://img246.imageshack.us/img246/6889/4500linx20run.jpg

if it fails it'll look like this:https://img163.imageshack.us/img163/120/attachmentut.jpg
once upon a midnight dreary, while i pron surfed, weak and weary, over many a strange and spurious site of ' hot  xxx galore'. While i clicked my fav'rite bookmark, suddenly there came a warning, and my heart was filled with mourning, mourning for my dear amour, " 'Tis not possible!", i muttered, " give me back my free hardcore!"..... quoth the server, 404.
nukchebi0
Пушкин, наше всё
+387|6583|New Haven, CT
I ran the test and it completed without any errors. I tracked the +5V and +12V rails in Speedfan simultaneously, as the picture shows. Do you get a sense anything is wrong from these? (I have no idea if 16 G/Flops is what an E6750 should be at; I'm guessing, based off of what you posted, that is around what I should be seeing.)

https://static.bf2s.com/files/user/26506/LinX%20Results.jpg

Update: So I ran Furmark on stability mode. With the GPU fan at 100%, it maxed at a temperature of 74 and averaged 47 frames per second for 100000 frames at 1680x1050 with standard settings. I'm not sure if that is a good score for a 8800GTS 512, but it certainly is not indicative of a failing graphics card, or one that is unable to function properly.

Memtest +86 ran three times through clean. The memory is clearly okay.

Last edited by nukchebi0 (2010-03-12 03:21:21)

King_County_Downy
shitfaced
+2,791|6856|Seattle

Sounds like a motherboard issue. I have something similar with my new mobo, sometimes it freezes on the splash screen and I have to reboot it. Nothing else seems to be affected, but it's annoying as shit. I have an Asus P5QL/EPieceofshit.
Sober enough to know what I'm doing, drunk enough to really enjoy doing it
Finray
Hup! Dos, Tres, Cuatro
+2,629|6047|Catherine Black
Try unlinking all optical drives and leaving only the HDD with the OS plugged in.
https://i.imgur.com/qwWEP9F.png
2juk
Member
+12|5436
Same thing happened to my antec 900.  I have a fan on top that pushes the air out of the case.  This was covered by a piece of paper so the air wasn't leaving the case fast enough and the fans would turn on real loud for a few minutes and shut down.  The machine would nenver start, no signals or anything. 

Make sure all the fans are clear of any objects that could block the air flow.  I also took off the side panel of my PC to make sure everything stays cool.
nukchebi0
Пушкин, наше всё
+387|6583|New Haven, CT
Yeah, I'm sadly thinking it is. I really don't want to replace the motherboard until I absolutely have to, so I'm going to try to eliminate every alternative possibility first.

Unlinking the optical drive did nothing, and both case fans (as well as the CPU and GPU) are clear. I don't think either of those are the issue.

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