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Hi, I just bought a new system, build from scratch. I assembled it, and nothing. The fans will power up, one hard drive, and floppy, but nothing else. No POST, no beep, anything. system is as follows.

Asus P4C800-E Deluxe Motherboard
Intel Pentium 4 / 3.0CGHz 800 MHz FSB CPU
SAPPHIRE RADEON 9800 PRO 256MB
Viewsonic G220fb 21" Monitor
1 GB CORSAIR MEMORY XMS , Low Latency (Twin Pack)
Logitech Z-680 5.1 Speaker 500Watt
Creative Labs Sound Blaster Audigy 2 Platinum Ex
Thermaltake Xaser III V1420A Chassis (480 watt Power Supply)
Western Digital Raptor 36GB SATA WD360GD
Plextor 52x32x52 PlexWriter Premium CD-RW Drive
2 - WD WESTERN DIGITAL SPECIAL EDITION 120GB 7200RPM EIDE HARD DRIVES MODEL # WD1200JB
US Robotics USR5610B 56K V.92 Internal PCI Performance Pro FaxModem
Zalman CNPS7000-Cu Pure Copper CPU Cooler
SONY DDU1612/B2 BLACK 16X DVD ROM Drive
Logitech BLACK Elite Keyboard
Microsoft Optical Wheel Mouse
 

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Perhaps it comes from the Graphiccard, so i hear that it gives Probs with ATI-Cards and the ASUS-Canterwood-MBs. On Otherside i had the sam Prob. with the Soyo P4i875p with (an ATI Card) AND the GForceFX-Card AND two Kind of DDR-Rams!?

PS: Do you have NO Monitor-Pic ??
 
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Welcome AmarikenGothyk

Did you install one stick of ram in DIMM A1 and one stick in DIMM B1
 

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Hey AmarikenGothyk!

I assembled my pc as well and guess what! Same thing as you. Fans start, cd-rom starts, harddisk starts but no post. My screen just stayes black. I thought it might be my 300W power supply being to low, but I see you have a 480W.

Have you found a solution for your problem already, if yes then I would really like to know cause I didn't.

Regards,
Tammo

See also my post: http://www.techsupportforum.com/showthread.php?s=&threadid=6233&forumid=15
 

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I experienced the exact "no boot" problem. In my case the problem was due to 1 stick of the Corsair TwinX PC3700 memory. I read somewhere on motherboards.org that this memory is not validated for the Asus P4C800-E. It is also not on the qualified vendor list in the user guide.

Anyway removing 1 memory stick allowed me to boot. But overall I would say that this mobo is too new and flaky: currently mine hangs on reset and restart. I have to powerdown in order to reboot. Furthermore, in rebooting, I get an "Overclock failure" message, and have to go into the BIOS, escape and discard in order to boot!
 

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try another RAM.
Since the later BIOSes, the BIOS boot sequence initiates the RAM before the VGA Bios initiates. SO bad Ram causes the BIOS to stop booting.

If not so - try another VGA-card...

Greetz
Pen
 
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This is for all the above! If your installing your motherboard into your old case.

Try This

Remove everything off of the motherboard.

Take the motherboard out of the case and lay it on a phone book or something non conductive.

Clear the CMOS.

Re-Install the CPU, Heatsink and Fan.

Hook up the following items only.

Hook up the wire that comes from the power button on the front of the case to the correct header, See manual.

Hook up the the power supply to the motherboard.

Insert one stick of ram.

Insert the video card all the way.

Hook up the monitor.

Hook up power to computer.

Turn on the monitor.

Turn on computer.

You should have video on the monitor.

This sounds like a lot of work but it narrows down the devices to a few.

Try this and post back with the results.
 

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Tryed all that, and still no go, i put some older PC2100 Azen ram in the system and a old radeon 8500 in there motherboard and it still does the same thing so im a little puzzled... HELP!!!
 

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Same problem but different

I've had the same problem, but the two times I've had it happen I re-seated the cpu/fan and then it worked again. Both times have been within a week of each other. I too have an asus p4c800 - deluxe and a p4 2.6 (800 MHz). So I'm thinking since everyone else is having this same problem (mostly with ASUS motherboards) it has got to be related to the mobo - I'm going to blame ASUS. I've been all over the boards out there and no one solution seems to solve this issue so it must be more complex than thought. Some replace the mobo and that works, some replace the CPU and that works, and some replace everything and nothing works. I'm at a loss at what the deal is, but I thought I would at least add my thoughts since even though I got it working again (twice) since I am worried it will happen again and I will not be able to bring my system back.

E
 
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Welcome to the forums etr9j.............:D

And thanks for the input on this. It seems this series of Asus boards didn't get enough R&D or something.
 

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Testing a theory

I don't know everyone elses configuration, but I had in my machine upon construction a super old A: (floppy) Drive screwed in with questionable screws. It didn't work. Then upon closer inspection I saw one of the pins in the back was bent. Fixed that, then it worked - sort of. Couldn't complete a simple disk format... gave a weird error. Though after I "fixed" the A: drive about the same time my no-boot-but-fans-on problem started. So the time came when I actually needed the floppy drive to work so I bought a new one and screwed it in with good screws. Some techs I know said a short from old equipment can cause a problem like that - and that's how I started on my A: drive idea.

So after my system was unable to boot (again for the 3rd time) I took everything out and put everything back in the case with a new A: drive. My computer came on and booted. I know I haven't waited to see if the A: drive shorting out my gear was to blame, but rather than forget to post what I'm doing later (if this works out and the problem stops) I'd thought I'd share what those techs have said to me.
 

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(See previous post up)
Well, after testing all separate components I have send back my mobo and the returned one worked right away. Thanks for all the tips!
Tammo
 

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...that's also a way to solve a problem.
But you should consider the amount of hardware that is returned to manufacturers only because the self-appointet PC techs didn't get it to work the right way.
Up to now the most recent issue of the P4C800-Series is the memory management in dual mode, followed by problems with the integrated gbit NIC.
I don't think it is really good to tell the people: ASUS is bull**** - change your mobo if it doesn't work.
Don't get me wrong - in your case this this was probably correct, but in several other cases the descrition of the symptoms is the evidence for well-known issues missunderstood by so-called specialists...and I do not undersatand why those "specialists" are not able to get more information why their hardware doesn't work the way they want it to.
As we always say: Most of all times the only problem exists between keyboard and chair. I often see people returning hardware which "is bull**** and doesn't work, this piece of scap" as they claim, but haven't even read the manual or checked the jumpers before mounting their hardware.
As said: clarket - don't get me wrong.This is not dedicated to your post or any statement you left here. i only wanted anoyone here to understand that most of the problems do NOT derive from defective hardware (at least not BEFORE mounting) or a lack of quality by teh hardware manufacturers. It's most of all cases the USER that converts his mobo ( or other hardware ) to a piece of scap, simply because he didn't act the way it is claimed to get the hardware working correctly.
So to be fair: I have to admit that I also had my prejudices as I found out that the P4C800 deluxe didn't work the way I expected it to do...but a little surfin' in the web and some questions in the right forums and some feedback from my hardware reseller tought me to keep real and find out what was the real error.
Conclusion: always try and get more information before returning hardware to your vendor - in 80% of all cases the effort is worth it, because your vendor only gives you new hardware - but you'll never find out what the real error was.

Keep it real, people.

Greetz
Pen
 

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I figured out my problem

I'm putting this here for the record since I hope if someone has my "intermittent" issue (descibed by me above), they can read this. I found an electrician class notes posted on-line saying this:

--"Bad Power Supplies
1. “Easy”: Power supply is dead. Fan doesn’t turn, nothing happens. No voltage present. Verify you have good AC power first, and then replace the power supply.
2. “Hard”: Power supply is slowly dying, but not dead yet.
a) Failures are generally intermittent.
(1) Failure to boot
(2) Error codes
(3) Intermittent crashes
b) Power supplies causing intermittent failures will generally show good voltage, because the supply only sometimes causes a small sag or spike in the voltage that is too quick to be seen even by a multimeter."

...

"Because a large portion of PC failures can be related to faulty power supplies, from loss of CMOS data, loss of hard drive data, and intermittent failures, etc., you must be able to test the power supply."--

So, the CMOS can can be re-set (i.e. loss of CMOS data). On occasion, after I got my machine running I would have to set up the BIOS again meaning data was released. Soooooooo...

I bought a new power supply (Vantec 400W) and my computer has worked fine ever since. Re-cap: My power supply was going bad - replaced it - and everything functions normally.

E:D
 

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I had similar problems with my Asus P4C800-E Deluxe on first powerup, but I got past all that. I think people have since figured out most of these dead-board problems are being caused by a solder bridge.

1. First problem I think was I had the mouse and keyboard ports reversed (silly me).

2. Second, I was hitting DEL (on the numeric keypad, like they told me in so many docs), to try to enter Setup. WRONG.... they meant the "Delete" key (just underneath "Insert"). But at least for me, I was getting beeps, from the DEL key I was pressing; I thought it was the beep-code for No RAM Detected; I nearly screamed!

To get the mobo working, you really need to get into the BIOS and set stuff up. So that was first order of business.

3. But next I found the mobo and the video card (Matrox P750) don't play well together yet at boot time: the logo screen and Setup screen are nothing but horizontal colored hash (everything else --POST, DOS, and XP outputs-- are all fine). Swapping in an old temporary PCI video card allowed me to get through Setup (although this same issue still remains, even with latest 1010 BIOS on the Asus and 1.2-10 on the P750). (I started a new reference thread about the P750 here).

4. Next problem was the Boot Device Priority was wrong in my Setup. I needed it to be CD-Floppy-HD for proper operation, I think I had it as HD-CD-Floppy or some such.

5. Finally, the "magic" boot floppy I was using for bringup, was made way back on Windows 95, and wasn't playing well with the newer H/W. I cut a new one off Windows 98SE, and then I could boot fine.


Really make sure your fan connections are correct. I've read somewhere that the mobo won't boot at all if it thinks critical fans aren't rotating.

And make sure the fiddly stuff on the System Connector (bottom right) and your case's USB lines if you have them, are all correct, i.e. you're not grounding something out by accident.

Hope this helps,

-clintfan
 

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Consider power supply features...

Hi fellas,

I had the same problem described above with a P4C800 Deluxe. The solution to my problem was to replace my power supply, as others have mentioned, BUT NOT FOR THE SAME REASON.

The reason was my old power supply (only 6 months old) did not have the 4 prong, square configuration, connector required to run P4 systems. The fan would spin, but no POST or boot. Look for a power connector on your board, it is square and has 4 sockets surrounded by the typical white plastic found in all atx power plugs.

If you don't have something connected to it, connect the lead from your ATX PS that can fit there. If you don't have that lead, buy a new power supply that says on box "P4 compliant".
 

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Not just ASUS!

I had the same problem with my MSI Neo2-s. In my case it ended up being a bad CPU which was running in the 60's in the bios hardware monitor.
 

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I have pretty much the same problems, it was working fine for about a day while I tried to iron out some IRQ conflicts
I tried to install the chipset inf update... it died, only fans, and drives start up now, no post.
I have:
P4C800-E deluxe
2.4c
1gb xms 4000 pro
Radeon 9700 Pro
SB live platinum
antec true power 430
WD 45gb UltraATA
WD 120GB Ultra ATA
Plextor 8/4/32A
Pioneer DVD drive

I've tried pretty much everything, other hardware, geforce 2, mushkin ram (pc 3000), trying the monitor on another PC, clearing cmos, remmoving everything... nothing works. any ideas?
 
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