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Schaufel
Schaufel asked in Computers & InternetHardwareDesktops · 1 decade ago

No POST, won't boot. What is the issue?

Yesterday I performed some serious upgrades to my desktop computer. I installed a new motherboard, new processor, new video card, and new memory. Here are the components I installed:

-ECS IC780M-A AM3/AM2+/AM2 AMD 770 ATX AMD Motherboard

-AMD Athlon II X2 250 Regor 3.0GHz 2 x 1MB L2 Cache Socket AM3 65W Dual-Core Processor

-DIAMOND 3450PE512SB Radeon HD 3450 512MB 64-bit GDDR2 PCI Express 2.0 x16 HDCP Ready Low Profile Ready Video Card

-Crucial 2GB 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Desktop Memory Model CT25664AA1067

The problem is that after I installed everything, and tried to boot, the computer wouldn't boot or even POST. The fans start, but aside from that I'm getting no response. No beeps, no video. The problem is I don't know which component could be the single point of failure in this issue (I'm hoping there is only one point of failure). Does anybody have any idea what the problem is?

Update:

I am pretty certain everything is connected correctly. Not 100%, but that is probably the thing that I'm least concerned about.

I was initially thinking it could be the ram wasn't seated properly, but I checked and double checked, in different slots and it's in there tight.

I can't check the bios because it won't POST.

I'm really hoping that its just the memory, and not the CPU or mobo.

Update 2:

Power doesn't seem to be the problem, because the fans work, and the DVD drive ejects... so I don't think it's a power issue, though I'm open to suggestions right now. LOL

I didn't use any thermal grease between the CPU and the heat sink, but the way it came it... in the words of the documentation "... has pre-applied thermal interface material".

I looked but didn't see another area to plug in additional power to the mobo... so that can't be it.

3 Answers

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  • kodokijo
    1 decade ago
    Favorite Answer

    1. Find the 3-pin jumper near the battery, typically labeled "clear cmos" or "reset bios".

    2. Remove the jumper from the default position (typically connecting the 1st and 2nd pins).

    3. Replace the jumper to connect the 2nd and 3rd pins.

    4. Push the power button on the front of your PC once.

    5. Wait a minute.

    6. Return the jumper to its default position, connecting the 1st and 2nd pins.

    7. Power on your PC with its front power button.

    and don't forget to check your power supply, minimum requirement for your hardware is about 450-500w

    Source(s): http://www.wikihow.com/Reset-Your-BIOS
  • ronss
    1 decade ago

    are you positive you have the leads from the case attached to the motherboard correctly...sounds like you do if the fans come on.

    the cpu, is it one that requires a bios upgrade,,if you are installing a very recent cpu, just wonder if ecs has the correct bios.

    are you sure the ram is seated properly.

    is there thermal grease or pad between cpu and heatsink

    are you sure the power supply is working properly

    just throwing some things out that might be it...sort of hard to pick one.

    double check your wiring from the power supply, ,,do you have another 12v power connector on motherboard that you might have forgot

  • ClanMan
    Lv 7
    1 decade ago

    Did you use standoff's when you installed the new mobo? Could be a short there?

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