HELP! newly build pc isn't starting up.

hari2202 · Aug 30, 2013

Hi

didn't fully built yet ... when i powered on nothing is happening .. what may be the reason ..

i have connected the case fan to power supply directly through molex .. if there is an issue with cpu or mobo , atleast that fan has to run right ? so whats happening

build so far :

PSu to mobo :
8 pin connector
24 pin connector

PSu to sata device:
a optical drive , a hard drive .

data connection
mobo to optical drive and mobo to hard drive ..

ofcourse processor , cpufan , RAM on the motherboard ...

and front panel headers : Hdd led , power led , power switch , reset switch...

Directly connected MOLEX connector to a CASE FAN...

this is the built so far ...

cemerian · Aug 30, 2013

sorry but as many will agreed more information is required, how far did you build it what parts are conected, and before that chek if you pluged all the power cords from psu to the system

aatje92 · Aug 30, 2013

Did you connect the power button or pressed power on button on motherboard?

hari2202 · Aug 30, 2013

aatje92 :

connected front panel power switch ..

tried pressing it too , nothing happens ..

why the case fan is not running ? i have connected it directly to powersupply through molex

hari2202 · Aug 30, 2013

cemerian :

updated the post .

aatje92 · Aug 30, 2013

That was gonna be my next question too

hari2202 · Aug 30, 2013

u_gonna_squeal_b4_we_cookya :

hari2202 :

Without even knowing what motherboard, PSU or case, my first guess would be to check the switch on the PSU. Most of them have an on/off switch. If the lights on the motherboard are not lit, that switch is probably off.

If the lights on the motherboard are on, then check the power button on the case. If you plugged the front panel connectors in the correct places on the motherboard front panel header, then remove the whole front panel of the case and make sure that the wire is plugged in. Some cases ship assembled but for some reason they do not plug the front panel to the extension wire that runs to the motherboard.

psu switch is on and what does front panel has to do with starting up of system?

hari2202 · Aug 30, 2013

u_gonna_squeal_b4_we_cookya :

hari2202 :

Without even knowing what motherboard, PSU or case, my first guess would be to check the switch on the PSU. Most of them have an on/off switch. If the lights on the motherboard are not lit, that switch is probably off.

If the lights on the motherboard are on, then check the power button on the case. If you plugged the front panel connectors in the correct places on the motherboard front panel header, then remove the whole front panel of the case and make sure that the wire is plugged in. Some cases ship assembled but for some reason they do not plug the front panel to the extension wire that runs to the motherboard.

psu switch is on and what does front panel has to do with starting up of system?

aatje92 · Aug 30, 2013

Well The PSU get's the " On signal" from the power button, so it has to be connected right

.

hari2202 · Aug 30, 2013

aatje92 :

how can i check psu is getting on signal ?

my assumption is the issue is with PSU ... because the case fan has to run with the PSU right ?

cemerian · Aug 30, 2013

there is a easy way look into your motherboards manual an see which two pins are for turning power on, then take a spare jumper or something to conect those two pins togetter for a spit second if it starts then you were not connecting the case power button

hari2202 · Aug 30, 2013

cemerian :

u_gonna_squeal_b4_we_cookya :

removed the power switch header and tried screw driver .. now the processor fan starts running but case fan is not

why ?

hari2202 · Aug 30, 2013

u_gonna_squeal_b4_we_cookya :

yeah , i jus figured out that the CASE Fan's wire is cut ... and the previous starting up issue is i guess the cable that came with psu ... switched the power cord now it s turning on .. though yet to build

is there something i can do about case fans ?

hari2202 · Aug 30, 2013

u_gonna_squeal_b4_we_cookya :

yeah , i jus figured out that the CASE Fan's wire is cut ... and the previous starting up issue is i guess the cable that came with psu ... switched the power cord now it s turning on .. though yet to build

is there something i can do about case fans ?

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