Question about ASUS P5W DH Deluxe Motherboard

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Asus p5w DH Deluxe: updated to new bios 2704 now only black screen on boot up

Ok heres the problem,

Was running a dual core conroe e6600 on this morther board with bios 0701 which looks to be the oldest bios that would run a dual core, this was pre installed when bought. So i just got a quad core QX9650 and needed to update the bios as when i popped processor into the motherboard and tried to boot it. It would only get as far as the nram or vram calculating(cant remember which one). So i downloaded the latest firware from the asus website which is bios version 2704. I stuck the new bios onto a disc and let it boot with Use built-in EZ Flash on the asus motherboards. All went fine and completed, so it went to re-boot but the pc only booted as far as a blank black screen and thats it wont go any further. So can anyone help, Please

thanks in advance


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  • brophylad May 22, 2008

    No i cannot get to the bios setup at all, when i switch on the computer it starts, but thats it. I actually dont think that i am getting a black screen it seems that the monitor is not receiving a signal from the graphics card. I have an nvidia 7950gt connected to my monitor lg 22" lcd with a dvi-d cable. The monitor will come on when i switch on power but when pc is on the light on the front just goes to amber like the monitor is power saving or asleep. Also there is no power to the mouse or keyboard but there usually wouldn't be until the windows starting page appears.

    I have just removed the cmos battery and reseated the graphics card but no joy. Still the same.

    I have also stuck in the recovery cd that came with the motherboard but it wont boot from it.

  • brophylad May 23, 2008

    I have burned the old version of the bios i was using to a blank disc with nero's bootable image to see if it would boot from that but no joy still the same.

    Could it be the power supply if both of the dvd drives and the fans for the cpu and case are working? I have stuck in my pendrive to see if the led on it comes on to determine if there is power going to the usb ports and it will not light. But this could be caused by the bios? I have contacted asus tech support team with an email but will call them after lunch today. In the mean time found a crowd in holland that sell the bios chips with the latest bios version on it and also the tool for removing your bios chip from the motherboard so going to order one of them in the mean time. When this new bios chip comes if asus cant help me in the mean time is it just a matter of powering off base unit, and using tool to remove the bios chip and then stick in new one and boot?

    I really appreciate the help m8



  • brophylad May 24, 2008

    thanks for all the help worldvet. Asus have been back in contact and i have to return my board back to the seller, who returns it back to them after testing so heopefully they will either replace the board or just get it working again for me with the latest bios on it.

    I will let you know how i get on anyways.

    thanks again


  • phongn Aug 10, 2008

    I have the same problem right now. Bios 1707, 701, 240x worked for me but a success bios update to 2704 using EZ Flash, I got the blank screen problem too. The only things I can think of to troubleshoot and fix are:

    1. Try booting up with a different video card. I don't know what's posting because nothing is on the screen and I don't have a speaker plugged into my motherboard to hear post beeps.

    2. Get a new reflashed bios chip from Asus.

  • Glenn Rogers
    Glenn Rogers May 11, 2010

    Can you get to a bios setup screen or not? If so, choose setup defaults for all pages and try again.

    Asus is supposed to have Crash Free bios's and as such if the bios update failed the bios setup screen should appear automatically after a black screen notification of the failure.

    Did you make a backup of your bios before flashing?




3 Answers

For those interested, I have experience the same problem. I did reboot a couple of times after the BIOS upgrade without a problem. I decided to swap parts (CPU, Memory, etc.) and when I opened up my computer, the CPU fan was not running. I took the CPU out and guess what, the PINS were all melted to the PGA775 slot. Bummer my computer didn't tell me there was a problem ... Not knowing what else is bad, I will be replacing my motherboard and CPU. By the way, the CPU is Intel and the Fan is Intel (recommended with the purchase of the CPU).


Posted on Jul 06, 2008

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Brophylad,You sound like you know your way around a PC so please do not be offended by the suggestions below that you may already be aware of to begin with.

Use the PC your are using to communicate with us and download the older bios and create a bootable floppy or CD, Nero's bootable image is best as it recognizes NT partitions, and try flashing with the old bios. Otherwise, when I've had a board on the bench with this issue I've had to get a replacement bios chip which is rather easy to replace or Asus has replaced the board for me under warranty or for a rather fair price to replace with a refurbished board.

Anyway, try this again: remove the button battery and turn off the rocker switch on your Power Supply and remove the power cable. Leave all this disconnected for several minutes. Re-insert the battery, reattach the power cable and turn the rocker switch back on and attempt a bootup. If this fails to get you to a bios setup screen the CMOS chip has failed, permanently or is glitched, with the later being my guess.

Phone Asus at 502-995-9883 and have the serial number for your board, located on the inside of the case on top of the parallel port socket. I've phoned them many times over the years and they are quick. They'll most likely will give you a post bypass keyboard sequence if there is one for your model or give you a RMA immediately. I've never found Asus slow to replace a board from the RMA department.

The above phone number is for tower boards, for notebooks (they make great notebooks and sell white boxes as notebooks) call 510-739-3777 x5110.

Best Regards and good luck,

Posted on May 22, 2008

  • Glenn Rogers
    Glenn Rogers May 23, 2008


    Thanks for the update and its too bad your pen drive won't light up as there are tools for pen drives that could analyze your bios and perhaps even flash the saved image. And yes, the board is not powering on to a state where the MB can access devices otherwise your recovery CD from Asus would get you back to go.

    I seriously doubt it is your power supply.

    I would wait on Asus to speak with you as the newer class of Asus boards are supposed to be crash free and there is probably a keyboard sequence on boot up that would retrieve and flash the hard copy of the bios image saved on the chip. That said, if you choose to replace your bios chip invest in the $10 and get a static wrist strap from a Radio Shack or Electronic Supply Store if you don't already own one. The tool for lifting a bios chip is a useful one although you can do it with two blade screwdrivers one coming under from each end and just lift.

    Hang in there and give Asus a chance to help you with their board. They are great and one main reason I am biased to using them and a few others on new or upgrade builds.

    Best Regards,

  • Glenn Rogers
    Glenn Rogers May 24, 2008

    Glad to hear Asus wants the board back. They are pretty fast at providing replacements. Too bad you have to go through a third party though... it only makes the process longer. But since you bought a quad cord Intel CPU your pretty invested.

    BTW, one seller on the Web I use and for whom Asus will deal with you directly leaving the seller out of returns after 30 days is Their shipping rates are more than fair and they are always in a price war with New Egg.

    Anyway, I'll look forward to hearing about your results in the future.



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After a bios update like this one, remove the battery from the motherboard and remove the power cable from the power supply. Leave out for a few minutes, then replace the battery and the plug and try to reboot.

Posted on May 22, 2008

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