Assembled computer does not boot

[tushar]

My knowledge about computers is very limited. Anyway I bought a assembled computer without a OS installed, now when I switch on the power, it does not boot up. There is no signal to the monitor, no beeping sound nothing. I can see the fan on top of CPU rotating and the CD drives come alive but that is all. Dont know what to do

 

[screw3d]

Contact whoever that sold you the computer.

Since it's pre-assembled, you might blow the warranty if you open it up yourself. My best guess though - either a dead CPU or a dead mobo

 

[tushar]

I bought it on ebay and the seller has disappered, and the system has no warrenty..... Is there anything I can do about the situation?
Anyway, I opened up the system, double checked the jumper settings, removed the CDroms, HD, floppy disk, removed the sound card, network card and one of the two sticks of ram. It is a bare minimum computer now, I tested the video card seperately and it seems to be doing fine. Even after all this the computer fails to boot, or even beep when I switch the power on. Looks likw either it is the motherboar or the power supply, can it be anything else?


Tushar

 

[screw3d]

The power supply sounds fine to me since you've mentioned that the fans and LEDs are working.

The next thing you should do is to test the CPU seperately. You could test the RAM as well but I don't think it is causing this problem.

If all the other components work..your m/b's screwed.

BTW if there're fans connected to the m/b fan headers and if it's drawing too much juice..that could cause some problems too, esp if your PSU is weak.

 

[Rav3n]

Just to point out something I guess you know to be obvious at this point, it sounds like you were scammed.

As for your computer, check your mobo maker's website and see what they say. You might even be able to get their tech support to help you out - though in my experience mobo tech support people generally suck, or are just hard to get in touch with.

 

[tjaisv]

Originally posted by: Rav3n
Just to point out something I guess you know to be obvious at this point, it sounds like you were scammed.

Yeah if the seller disappeared that's not a good sign. But read this, it has some good troubleshooting tips that might help you.

 

[sunkim50]

I would definitely try a different PSU... btw.. what video card are you using? I know some video cards are power hogs are refuse to POST if you have a sub-par power supply.

If you have a old cheapee video card try that.

 

[Zepper]

Boilerplate-01:
. Most frequent causes of failure to boot:
1- RAM, CPU or AGP video card not seated properly, or a bent pin.
2- Drive data cable on upside down or only on half the pins or shifted . a pin or two (usu Floppy or Zip drives).
3- CMOS needs to be cleared (AC power must usually be disconnected or . attempt to clear CMOS may fail) Unless your mobo does not use a power-off CMOS clear - check your mobo manual for specific info.
.bh.
4- On many new mobos there is a CPU protection feature (esp. on Athlon/Socket A mobos) that will not allow the system to start if there is no fan (or a fan without a working speed sensor wire) connected to the fan power connector on the mobo (specifically marked "CPU Fan"). If you tried to start your machine without a fan properly connected, you have to attach a proper and working fan and clear the CMOS before it will boot.

.bh.