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Just installed new hardware, motherboard wont boot to BIOS

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exospire

Junior Member
I just got a DFI Lanparty UT 915P, and I hooked everything up the motherboard won't post to the bios or boot up to anything. The monitor stays black and the light on it just blinks. Alll light indicators on the motherboard come on saying everything is ok. I tried putting a win xp cd in the cd-rom but it won't boot off it. I tried making a boot disk but it won't boot from the floppy. The motherboard doesn't make any beeps either. All the cables are hooked up. What should I try to do?
 
try resetting the CMOS... u can eitehr look it up in the mobo manual, most of them have a jumper setting or just short it by touching the lithium battery with the tip of a screwdriver, when the comp is off 🙂
 
will i have to put more thermal paste on it?

everything is attached to the mobo yes

I should at least be able to boot into BIOS right, with all new hardware connected? I even tried disconnecting cd rom and going into bios, disconnecting cd rom hdd and all other periphanelia and still can't boot into BIOS... yet the heatsink runs, the psu is running, fan on vid card running, and as far as i can tell sata hdd running. the cd rom run's too... so i don't know why it can't boot. all red lights come on to and according to manual when all red lights are on it means system is supposed to be booting.
 
DONT go nuts on the thermal paste... too much does more hard than good... did u try to clear the CMOS like i suggsted? do that

also, you're doin the right thing if you're disconnecting all unessential devices... 🙂
 
ok i tried touching the tip of a screwdriver to the lithium battery while it was off, then waited and turned it on... same thing.

might it be a bad cpu? if the cpu didn't work... would all the lights on the mobo still light up right and not make weird beeps? the thing is i got it from someone who had already tested it and made sure it worked, so i don't know. i bought a silent thermaltake heatsink for the 775 socket, and it has weird push down designs that i had to deal with. i unscrewed the metal backplate, then i placed that under the motherboard, and set the heatsink on the top of the cpu which had thermal paste... then i lined the screws up with the holes in the motherboard and backplate and wow was this hard. the heatsink kept sliding around while i had to put enough force down on the spring screws to be able to screw the screw into the hole of the backplate... finally i got all screws in and screwed it tightly in. im pretty sure i put the heatsink in right... it's not supposed to lay on the black top mounts right? it's resting over some capacitors... ill try and take a pic and post it but so far everything sounds right, right?

the motherboard doesn't make a beep tho like one would before posting... is that right?
 
Unplug the power supply, read the manual and clear cmos [make sure CMOS jumper is set correctly],check the agp and ram and make sure they are seated properly. then try to boot. If that doesnt work take the motherboard out of the case hook up only ram/cpu/video/power and try to boot, making sure that no parts are shorted when you try to boot the system.
 
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i tried resetting cmos.

these are some pics i have taken of my motherboard. i just reseated the heatsink, made sure the lga775 3.0 chip was connected well and screwed the heatsink back on. i am using ddr333 memory in the ddr1 slots, yes my mobo supports ddr333. i am using a ati x800 xl on the x16 slot. i have a 80gb sata wd hdd i want to install windows on. i am using a fortron blue storm 500watt psu, and a dvd-cdr writer for a cd rom. i've tried hooking everything up, just the video, cpu, ram, power, and still the same - mobo wont post to bios, and computer stays in like a standby mode.
 
Those pictures are way to small and dark to see much of anything at all. Try powering up with the video card out and see if you get any beeps. Then try booting up with the ram out and see if you get any beeps. If still nothing, take the CPU out of the motherboard and try powering up. If you still get no beeps, then either the motherboard is shorting to the case(any stand offs in the wrong place?), the PSU is bad, or the motherboard is bad. To rule out shorting to the case, take the motherboard out of the case, place it on a non-conductive surface, and try booting up with the minimums(cpu, heatsink and fan, 1 stick of ram, video card). You can power it on by shorting the 2 pins that the power switch connects to with a screwdriver.

Part of the problem could be the DDR333..since the P4 you are using has a 800mhz FSB it's probably overclocking the ram by default..and that could be part of the problem as well..
 
i tried a stick of my friends ddr400... same thing. we took out the memory, and then put it back in and took out the video card. neither times nothing beeped. i took out all the parts so nothing is touching the case so it would be easier to connect and disconnect things. if the psu or motherboard was bad, would it show lights on it? the motherboard has an actual power/reset buttons on it. but inorder to hear beeping we would need a speaker source right?
 
Boot out of the box with nothing more than processor/cooling, RAM and vid. I use a slab of foam rubber type packaging material to set the board on so it will not short to anything. Connect only power and the power switch. This way you rule out everything - once I was doing a build and mistakenly installed a standoff in the box in a location where there was no corresponding hole on the motherboard, and it shorted something and gave me similar problems.
 
i've tried that too. it want's to boot... because when i turn on power, 4 red led lights come on and according to the manual, that means system is booting, except the red lights stay on, and it never boots. i never get any video on the monitor, i've ruled out faulty monitor as well, it just stays in standby mode. i can't tell if its the cpu, psu, or the motherboard that is at fault. i have a hard time seeing why i should have any problems, as all parts are new.
 
Take the motherboard out of the case, hook up a speaker, and power it up with just a bare board, no ram, no video card, no CPU, you can plug a fan in to the motherboard to verify it's powering up. If you still get no beeps, then it's gonna be the motherboard or the PSU.

P.S. you do have the 4pin 12v atx connector plugged in right(square with 2 black and 2 yellow wires)?
 
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