I have an asus a8n32-sli deluxe MB. When i power up my PC i do not hear any post beeps and the monitor dose not come on. The green light on MB comes on and the CPU fan,and the fan no the video card (XFX 8400GS).the HD and CD/DVD comes on.
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Try a different video-card -- a "no-spin" fan and "no-video" implies a dead video-card (or at least a video-card that is not "seated' properly).
Check that the PC-speaker leads are connected to the motherboard, so that you could hear any "beep" codes. There should be one "beep" to indicate 'OK', or multiple "beeps" (bad RAM, no video-card detected).
Good day sir, as you describe your problem, as I see it you forgot to replace your Power Supply box. Swap in a new one, see if it runs. Also make sure that your RAM is good.
Try a few things for me OK? From what you typed, turned on the psu "the toggle switch on the psu", pc seemed to be starting up. I need you to keep the toggle switch on the power supply in the on position. Press and hold the start button on the PC case to shut it down. Give it a few seconds & power up by pressing the power switch on the case. Notice a differance? Next, unplug everything connected to the pc expect the monitor, mouse & keyboard. Try to boot. Still no? Remove the side of the case exposing the board. Turn the psu off by flipping the toggle switch on the psu, wait till the green light on the board goes out. Grab the Mb ( I know it's tight in there) and see if you can move the board in any direction. Not loose? Re-check all data & power connections for a solid connect. Re-check your case to Mb connections. Also check the PSU, there is a red slide switch it should be set to 115v. Post your findings..
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remove the memory and gently clean it very well and then connect it back to motherboard. if got long beep then memory damage.(replace memory) if got tree short beeps, clean the video card and connect it after cleaning if got same beeps ( then replace video card) thats only only things. Good luck.
If your CPU or memory were an issue your Asus board would sound off with BIOS beeps. Asus uses the Award BIOS & you can see what these beeps mean at the link below. Regaurding your PC not able to boot is an issue with your PCIE/PEG video card-in relationship with BIOS setting & the SLI switch card mode that came with your board. When running 1PEG video card you must set this in the BIOS to Auto & you need your SLI switch card connected in its slot. By default, the EZ Selector card is set for a single graphic card. When you install dual PCIE graphic cards on A8N-SLI series motherboards, please make sure EZ Selector card set to the Dual Video Card side and properly inserted. Link to Award Bios beep codes: http://www.bioscentral.com/beepcodes/awardbeep.htm
Will come in handy.
Reading the FAQ's at Asus site will help you better understand your A8N-SLI Deluxe. You'll need to fill in the, "Please Select the Product" first: http://support.asus.com/faq/faq.aspx?SLanguage=en-us
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.
-Vish
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