Question about Intel DP43TF Motherboard

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CPU is not sending a video signal.

This started when reformatting a hard drive and installing an operating system on it (that's a separate problem that was fixed). This started once that was solved and everything was installed and loaded. Once I shut it off after that, it has not been sending a video signal to my monitor now. I thought it was hard drive, so I switched hard drives. I thought it was because of OS CD, so I took it out. I thought it was because CD/DVD-Rom drive, so I unplugged. I tried then unplugging everything for a while and replugging. I tried reseating everything and checking the connections. I tried switching monitors. I tried booting only the motherboard+video card + other essentials (no CD/DVD-drive or harddrive). I tried unseating one of my two RAM sticks. I also tried running it with just one of those sticks, then the other one. I tried the different settings for the motherboard of Normal/Configuration/Recovery. Nothing has been able to send out the video signal. Any help would be appreciated!

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  • 5 more comments 
  • Michael Nov 04, 2012

    While I was reading through the manual for the motherboard in hopes of discovering anything I may have bumped or missed, the video signal abruptly went through and the computer started loading.

  • Michael Nov 04, 2012

    While I was reading through the manual for the motherboard in hopes of discovering anything I may have bumped or missed, the video signal abruptly went through and the computer started loading.

  • Michael Nov 04, 2012

    (^internet mess up, and don't see a button for delete/edit, sorry) I managed to install drivers for the graphics card and the motherboard, but then it auto-restarted... and I'm back to it not sending the video signal.

  • Michael Nov 05, 2012

    Just adding in things as I go along and try them out... tried switching out the PSU and booting solely the motherboard (main pin and 2x2 on this board), still no signal.

  • joecoolvette
    joecoolvette Nov 05, 2012

    Power unplugged from computer. Anti-Static Precautions FOLLOWED, remove all ram memory modules, and clean the gold plated contact pins on the bottom. BOTH sides.Although there are solid polymer capacitors on the motherboard, (Little aluminum 'cans' with Blue mark on top), there are also Electrolytic Capacitors on the motherboard. (Radial Aluminum Electrolytic Capacitors) See if there are any visual signs of failure,http://capacitorlab.com/visible-failures...

  • Michael Nov 05, 2012

    There are no visible leaning, leaking, or bulging capacitators.

  • Michael Nov 08, 2012

    Gently rubbing the golden plated contacts on the RAM provides no change. Also for additional info, booting up without RAM yields 3 short beeps.

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5 Suggested Answers

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Posted on Jan 02, 2017

Vivekt1000
  • 35 Answers

SOURCE: motherboard will not boot up

Change the SMPS and try again.

Posted on Aug 11, 2007

  • 24 Answers

SOURCE: New motherboard will not boot

It appears that you are aware of Motherboard jumpers.

1. Reset BIOS settings by CMOS Clear jumper ( Location of jumber is given on the sticker / manual of motherboard )

2. Try updating BIOS of your motherboard from the following link :
http://downloadcenter.intel.com/Filter_Results.aspx?strOSs=All&strTypes=All&ProductID=2838&lang=eng&OSFullName=All%20Operating%20Systems

3. Plug only Optical Driver / Hard disk at a time and check.

4. Contact your vendor and get the motherboard replaced.

Posted on Feb 12, 2008

antiochpc
  • 1314 Answers

SOURCE: My computer turns on but nothing responds

Most likely your motherboard was DOA. Send it back for a replacement. Sounds like you've done all the troubleshooting stuff.....do double check the power supply connector...especially the P4 connector that I have occasionally forgotten to plug in...that will also cause the symptoms you describe.

Posted on Aug 14, 2009

bob_computer
  • 3153 Answers

SOURCE: jagged lines due to video driver/motherboard?!?!

If it works fine without a driver and only faults out when you apply the driver it would suggest that the driver you are using is incorrect. You may also be trying to start out with too high a resolution on your screen try lowering it before installing the driver.

Also ensure that you DO have the CORRECT driver

if yours has L75II8 on any labels underneath then go here to get the correct drivers

Also make sure you know which bios version you have as there were at least two Major revisions of this model and you may weel need to know to get the EXACT drivers

You might also want to update the bios for your revision if you can.


If this information was useful please click below

Posted on Aug 18, 2009

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http://www.ubuntu.com/download

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