After POST one short beep then screen goes bl

Asus P5b-vm motherboard
January 3, 2010 at 08:38:26
Specs: Windows Vista Home Edition, intel duo core/ddr2 800mhz/bios revision 0203
Help! After POST one short beep then screen goes black. I have tried CMOS reset,removing the battery and Swapping RAM but the same issue occurs. Everything seems to be working on the MB, all fans, HDD's, etc. Why would this situation just suddenly occur (e.g. Powers on, boots through POST which all shows up on the monitor-then nothing-blank screen) I am able to get into BIOS. It won't boot the operating system.

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#1
January 3, 2010 at 08:45:10
If you can hear one short beep, then it`s everything OK with the machine.....

1. Make sure the monitor is OK
2. Make sure the monitor connections are OK
3. Make sure the graphics card is OK
4. Make sure the graphics card is installed properly

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www.google.com

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#2
January 4, 2010 at 12:21:18
Thank you for your response.

My PC has been running great until Sat. night when I hit the “sleep” button on my keyboard. I could not wake it up so I had to do a “soft reset” but that did not work, so I did a “hard shut down”. When I powered back on this situation occurred: After POST one short beep then screen goes black.
I was able to get through POST and into BIOS (all viewable on my monitor), I discovered BIOS was not configured with a “wake up” so I configed then reattempted start up. After several attempts at resets, I began online research and followed all the advice to no avail.

After POST one short beep then screen goes black. I have tried CMOS reset, removing the battery and Swapping RAM, replacing RAM with new- but the same issue occurs. Everything seems to be working on the MB, all fans, HDD's, etc. I am able to get into BIOS and I am able to view POST and BIOS on the monitor. The monitor seems ok since I can view POST and BIOS. All connections are good. I think the graphics card is OK (that is what I run my DVI output with), and is seated properly.

I am running an ASUS P5B-VM SE Mainboard,American Megatrends. I have the Vista Home addition Operating System. My PSU is a new Thermaltake Purepower ATX 12V 2.0 (600watt). I have assured that all cables are seated properly. I changed the Graphics card today and the system reactedthe same except for now, instead of a black screen, I have a black screen with a flashing white cursor in the top left hand corner.

I did not replace the CMOS battery, just removed. I did switch the jumpers from 1 & 2 to 2 & 3 then back.

The computer does not seem to be running. In the past after the initial boot, I would have a redlight that would flicker as it was loading the operating system. That is no longer happening.


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#3
January 4, 2010 at 12:33:59
Try with another monitor and see what happens !

Google is your friend

www.google.com

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Related Solutions

#4
January 5, 2010 at 21:30:15
So check it out:

I put in the Vista disc and booted it from the disc then ran "repair computer". It prompted me to load HDD drivers. When I went in to "my Computer" I noticed all of the disc arrangements had been changed, the primary "C" drive was now the "F" drive so I went into Bios and switched the order and "BAM!" I was "in like flin"!

However, I went to instal the drivers on the new Radion HD 4859 video card tat I insatlled and got an error messge on start up, basically stating " a problem with windows, check hardware installation" Which I did. Then I uninstalled the drivers and everything went back to normal. So I uninstalled the software, shut down, then reinstalled the drivers and software. same thing occured so I uninstalled it all.

Why wouldn't it work? My sytem meets the requirements set forth on the box.


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#5
January 5, 2010 at 23:12:49
Check you power supply. The fact that fans work and light light is little indication that the power supply is working properly. Crashing out after the POST when the power supply gets some real work to do is a good indication thats it is failing.

Stuart


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#6
January 6, 2010 at 09:45:24
Hmm....I am not sure, but in several posts, when the PSU was bad, no beeps would occur...

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#7
January 6, 2010 at 10:55:51
Not necessarily. It might be supplying enough power to do the POST but once the hard disk and hi-res video clicks in it could be overloading. This could be caused by a faulty voltage regulator or a capacitor losing its capacitance.

Complicated things computer Power Supplies.

Stuart


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#8
January 6, 2010 at 10:57:22
Complicated things computer Power Supplies.

I agree...

Google is your friend

www.google.com

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