Building new computer. Everything set to factory settings. Powered by 600 watt power supply. Motherboard comes on, fans come on, DVD comes on if not plugged into motherboard only power, floppy light comes on. Monitor remains in power saver mode, no keyboard lights, no mouse light. I have been swapping out keyboards, mice and monitors all day. Moved monitor from onboard to pci and back again - no luck. Can't get into the bios because I can't see the screen. I don't have a PCI express video card handy but have tried a PCI video card. I am at a loss. Any ideas? Other than go back to an AMD board? I have built dozens of AMD's; this is the first using Intel.
Anniegms, I had the same problem with a new Asus board running a Dual Core Duo Quad processor. The boards BIOS was not updated to handle the Dual Core Duo yet. I had to switch processors to a P4. Use a different PC to make a BIOS update disk. Update the BIOS and switch processors back. But I had all the same symptoms of yours. However I did/do have a PCI-E XFX Fatality (Nvida) based graphics card. I would check or swap processors, it sounds like the board is waking up but not the processor. Just my thoughts.... PCdok
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If there is a disk in the cd device the bios is set up to boot up from there first. So if you have a xp OS disk in there that is what will happen . Remove the disk and it should boot from the hard drive if it is properly loaded.
If you "popped" the power supply, I would check to see if the RAM might have taken a hit as well. Ram chips and CPU are sensitive when it comes to power surges. I would troubleshoot the system, unplug everything. you need monitor, power, cpu, and ram (1 at a time). Check to see if the system will POST. if you do get it to POST, start with 1 item at a time and see if the system will POST every time. If nothing happens, there is a chance you may have a damaged motherboard or cpu.
There may be a short on the motherboard. If the power supply senses something wrong they system will not boot up - unless you bypass the On switch.
I had a friend do this but he was building a system, he put all the standoffs in the case and the ones that didn't line up with the motherboard holes shorted components - he was fine until he bypassed the on switch.
Your system is a Gateway, so unless you have a screw rolling around in there (did you install a hard drive or something???) then the problem is something component failed.
Unplug everything but the motherboard and front panel connections. Remove any cards (even the video card) and ram and see if the system comes up (you should hear error beeps and get lights). Install the ram next and retry if the power is up. At the point where the disappears you have found the bad component/ device. If no power lights with everything disconnected but the processor the power supply is bad or mother board is bad. The switch on the power supply is set for your line voltage correct?
what u may have done is wwhen u were installing the new board, gave a static shock to the system...that will cause only the fans to come on and nothing more...this is a bad problem bc u cannot fix it...if u figure out something else is wrong, and it gets fixed, let me know
That video card uses 190 watts peak... you want to have a power supply that far exceeds your motherboard, processor, video card, and any other components that you have in power requirements.
I believe the Q6600 is 95 watts of power peak. Your HDD might use ~10 watts give or take. Your motherboard will use some significant power.
Your DVDRW and other drives will all say how much power they use right on them. (If it shows Voltage and Current measured in V and A or volts and amps...you just multiply the volts x amps to get power used)
Assuming your motherboard might use 100 watts (just a wild *** guess) and assuming that you have plenty of case fans in the system... no I don't think 500 watts is a good idea.
Your power supply is only 80% (maybe 85%) efficient. That means it can really only put out about 400 watts of real power reliably. You are using up close to 400 watts of power with all your components running at "maximum power". So sure, you could use your current power supply for now... but as soon as you can upgrade I would recommend going with a 650 or 750 watt power supply.
I just bought this one for a system I am building: http://www.buy.com/retail/usersearchresults.asp?querytype=home&qu=206178325
It is overkill for the system I am building, but think of your power supply as your foundation that everything is built off of. Nothing can run properly on your computer without stable power.
You could probably go for their 650 watt version and be sitting pretty.
Sounds like the power supply is faulty. Power supplies are very dangerous to try and repair, even for qualified technicians. I would also suggest not trying to plug it in or turn it on until the new power supply is in place. Faulty power supplies have been known to cause motherboards to permanently malfunction. Note: researching your issue, I came across several forum posts with complaints about emachines and their power supplies. The best way to solve this problem is to purchase a new power supply. If shopping online, www.tigerdirect.com and www.newegg.com are two places that specialize in PC hardware. A 400-watt power supply would probably more than do the trick for you. The cheapest one I found was $18.00. Make sure the power supply is compatible with your motherboard before you buy.
The ATX power supply needs to have pin16(PS_On#) to be connected to COM for it to work.
When you press the power switch on the front panel of the computer, you are essentially making this connection.
Check that the cable from the power supply to the motherboard is making good connection.
You can verify operation of the power supply by shorting Pin16 to pin17 on the powersupply output, with a paper clip. Pin16 is usually a green wire and 17 is black.
Hope this helps.