I bought components for a new PC but now that everything is assembled it doesn´t work. When pressing the power-button nothing happens.
Here is what I tried to so far: Checked power cables from powersupply to motherboard checked cables between power button and motherboard checked power-button on power-supply.
The motherboard (Asus P5QSE) has a little control lamp that starts blinking if the power supply is connected an turned on, so power seems to be there in principle. Maybe I have overlooked something about the case, an Antec Sonata III. The case has the usual front connector cables for power buttons and LEDs plus some cables for front audio, front USB and a ATA-cable (which may be related on one of the front usb slots).
Or perhaps something about the CPU installation went wrong? As far as I know all other components should only lead to problems during booting.
edit: I read that the Asus P5Q may not recognize certain CPUs. I have an E8400. Would that explain why the PC doesn´t turn on?
Another question about the motherboard: It apparently has only one IDE-channel, so where do I hook up my DVD drive? Is it possible to hook up IDE at primary IDE as master and a DVD drive as slave on primary IDE?
Check to make sure that the PSU is set to 220v. Then make double check to make sure that the power button cable is in the right spot. Also make sure that you plugged in the 4/8pin power cable to the motherboard in the right way or it wont power. What are your system specs, your comp might be overpowering the PSU which is also another reason why it wont boot.
kow_ciller;4748515Check to make sure that the PSU is set to 220v. Then make double check to make sure that the power button cable is in the right spot. Also make sure that you plugged in the 4/8pin power cable to the motherboard in the right way or it wont power. What are your system specs, your comp might be overpowering the PSU which is also another reason why it wont boot.
Thanks for the reply, so far it still doesn´t work though.
The system won´t start to boot even without graphics card, so overpowering the PSU shouldn´t be the problem. I guess it is either a faulty PSU, motherboard or some problem with the CPU installation. Or maybe the power button is broken.
Here are some more information about the system as it is currently installed: Asus P5Q SE II 4GB RAM E8400 with Intel fan Antec Sonata case with Antec Earthwatts 500W PSU.
As you can see I only want to narrow it down at this point until I get some kind of response from pressing the power button.
Update: I tried installing another PSU. The PC didn´t start either, but the motherboard-lamp changed from intermittetant operation to continous operation. The motherboard also started humming rather loudly (im not talking about the pc speaker, but about the board itself, never heard anything like that before). My conclusion is that the PSU burned and took the motherboard with it. Ill probably send the mobo and PSU back and hope that the other components weren´t damaged as well.
Sounds like the board could be dead. Try the psu in another comp. Those seasonic units do NOT fail(seasonic is the OEM for the earthwatts line).
You`re right. I tried to start from the beginning yesterday and found the mistake, or rather both of them. One of the threads that you screw into the side of a case to support the motherboard was in the wrong position and shorted out some lines. Also, the Intel fan wasn´t assembled correctly, one of the locking pins was put in the wrong way around so it wasnt possible to lock all four pins, which I only noticed when I tried installing the fan with the motherboard out of the case.
Everything works fine now. I only have to figure out how to install my DVD drive with only one IDE channel. Thanks for the help :)
Former Network Admin and Former Forum Admin
26th July 2005
If you only have 1 HD and 1 dvd drive then you can easily install them both through 1 ide cable. Most cables have 2 connectors at the far end of them so you can either. Adjust the jumpers on the dvd drive to set it to slave and HD to master. Take out the jumpers which should set them both to CS (cable select) check the device as some still require the jumpers to be set to CS. Buy a sata dvd drive (cheap enough now)
goody10;4750498If you only have 1 HD and 1 dvd drive then you can easily install them both through 1 ide cable. Most cables have 2 connectors at the far end of them so you can either. Adjust the jumpers on the dvd drive to set it to slave and HD to master. Take out the jumpers which should set them both to CS (cable select) check the device as some still require the jumpers to be set to CS. Buy a sata dvd drive (cheap enough now)
That is what I tried, but the PC wouldnt boot like that. The problem probably was that I had my HDD hanging in the air because the IDE cable was too short to reach both the HDD-mounts and CD-mounts. So Ill either have to get some special cable or a SATA drive.
This new PC behaves rather strangely. It has been working fine since I last posted but today it crashed during gaming and after that it wouldn´t boot for a while. Sometimes it does boot now, sometimes it doesn´t. It looks as if the graphics card doesn´t work (monitor gets no signal), in addition to that USB-devices and mouse and key-board don´t get any power.
Sounds like that short could have messed with the motherboard. remove the board and make sure that there are no burn marks on the backside of the board.
dude you havnt had any atempt in overclocking?????
i wouldnt think so yeah that board dosnt have an onbord video card does it? so u must install your own before startup they work somehow without a driver then you install the driver in windows... well im suffering the same conciquenses no power to board or mouse or screen (there is power they dnt work)
the cpu fan is working as its attached to the motherboard. but im not sure about the ram :s my lovely and greatfull ram!!!