Installed new Mobo, CPU, and ram...PC doesnt boot

chris_uk333 · 23 Jul 2010 at 21:53

I have just installed the following parts, upgrades from the specs in my sig:

http://www.overclockers.co.uk/showproduct.php?prodid=MB-279-GI&groupid=701&catid=5&subcat=1782

http://www.overclockers.co.uk/showproduct.php?prodid=CP-267-AM&groupid=701&catid=6&subcat=1328

http://www.overclockers.co.uk/showproduct.php?prodid=MY-019-PA&groupid=701&catid=8&subcat=1516

I have installed it all, checked all the connections etc several times, but the PC shows absolutely no sign of life. Any ideas? Like i say everything is definately inserted correctly, so i am now starting to think it may be a faulty mobo. There is no light on the mobo, nothing to indicate it is alive. I click to turn the pc on, and absolutely nothing happens

stulid · 23 Jul 2010 at 21:55

turned on at the wall socket, or is there a switch on the back of the psu?

do you have the 8pin ATX power lead connected, as well as the 24pin.

chris_uk333 · 23 Jul 2010 at 21:55

Yep it's on at the wall, and the switch on the ball is turned on.

stulid · 23 Jul 2010 at 21:57

added a little edit above.

double check the case power button connection on to the motherboard header.

gamesaregood · 23 Jul 2010 at 21:57

Check the memory is in the right slots, have you tried a single stick of ram to see if it posts?

chris_uk333 · 23 Jul 2010 at 22:00

I haven't tried one stick of ram, but i will now. Also, yeah the power button connection is in.

Tried one stick of RAM, still absolutely nothing.

chris_uk333 · 23 Jul 2010 at 22:07

stulid said:
turned on at the wall socket, or is there a switch on the back of the psu?

do you have the 8pin ATX power lead connected, as well as the 24pin.

Yeah i have the 8 pin plugged in, and 24.

stulid · 23 Jul 2010 at 22:09

fuse in the actual plug? try a different kettle lead.

chris_uk333 · 23 Jul 2010 at 22:17

Tired that, still nothing.

WingZero30 · 23 Jul 2010 at 22:22

I take it that you are using the same psu in your sig which was working perfectly in your previous rig. Reset the CMOS. You mentioned there was no light on the mobo. In my experience even if mobo is borked the led light still turns on.

Are the fans spinning or not? I would also suggest connecting one of the fan directly to psu to see if it spins or not. That way we can be sure that psu is fine.

chris_uk333 · 23 Jul 2010 at 22:25

Yeah PSU was working absolutely fine. When you say reset cmos, do i just reset the battery?

chris_uk333 · 23 Jul 2010 at 22:27

WingZero30 said:
I take it that you are using the same psu in your sig which was working perfectly in your previous rig. Reset the CMOS. You mentioned there was no light on the mobo. In my experience even if mobo is borked the led light still turns on.

Are the fans spinning or not? I would also suggest connecting one of the fan directly to psu to see if it spins or not. That way we can be sure that psu is fine.

No, absolutely nothing turns on...I get nothing. No power on anything

WingZero30 · 23 Jul 2010 at 22:34

chris_uk333 said:
Yeah PSU was working absolutely fine. When you say reset cmos, do i just reset the battery?

Reset the battery and also jumper settings

gamesaregood · 23 Jul 2010 at 22:50

WingZero30 said:
Reset the battery and also jumper settings

While the power cable is removed.

chris_uk333 · 23 Jul 2010 at 22:55

Ok i looked in the mobo manual to find where to clear cmos, and i found it...But one problem, it's just 2 pins sticking up with nothing on them?

stulid · 23 Jul 2010 at 23:03

do you short them out? remembering to disconnect the power.

WingZero30 · 23 Jul 2010 at 23:07

chris_uk333 said:
Ok i looked in the mobo manual to find where to clear cmos, and i found it...But one problem, it's just 2 pins sticking up with nothing on them?

It must have instructions on how to clear jumper settings like placing a jumper cap temporarily on the pins or using a screw driver to touch the pins for few seconds. Idk but you could probably use a jumper cap from your old ide hdd.

chris_uk333 · 23 Jul 2010 at 23:14

Well i used a header of another mobo and still no luck...And no, the manual doesn't say lol

stulid · 23 Jul 2010 at 23:16

got any mates with similar pc parts to swap and test?

WingZero30 · 23 Jul 2010 at 23:30

Lol Chris I don't meant to be funny but you seem to be running in bad lucks. If I remember correctly you had an earlier problem with your 5850

.

Since you mentioned there is no led light on the mobo it seems there is a short somewhere which is preventing the power from the psu going to mobo even if the system is shutdown. Did you seat the cpu properly ? I would suggest disconnecting all the drives from the mobo and pressing the power button.