cat2115 Posted November 12, 2010 Share Posted November 12, 2010 could my motherboard be damaged? the reason i said that is because every time if i unplug the dvi cable off then few minute later plug it back in, and power on, my pc start to boot but black screen (no POST) then a few second later it turn off itself then turn on itself again. from there on i see no post or any signal to monitor, even mouse and keyboard had no light . then i manually power off, few second later power on. i had to do it like 2 or 3 times until i see POST on the monitor and mouse/keyboard light led up. it an onboard video card. i even try pci express x16 and still the same as i mention above.any idea?================================================== ======My system:Intel DG45IDCore2 Quad Q6600 @2.40Ghz 2.39Ghz8Gb (7.90Gb usage) - DDR2-800 PC-6400WD500 ATA (system)WD1Tb ATA (storage only)window 7 ultimate x64================================================== ======= Link to comment Share on other sites More sharing options...
puntoMX Posted November 13, 2010 Share Posted November 13, 2010 I would start to check that power supply unit and re-seat the RAM, if you rule out those 2 than it must be the motherboard. Link to comment Share on other sites More sharing options...
cat2115 Posted November 15, 2010 Author Share Posted November 15, 2010 I would start to check that power supply unit and re-seat the RAM, if you rule out those 2 than it must be the motherboard.maybe it is the motherboard because i did that and still the same. Link to comment Share on other sites More sharing options...
jaclaz Posted November 15, 2010 Share Posted November 15, 2010 maybe it is the motherboard because i did that and still the same.It does sond a lot like the PSU.HOW did you test it?jaclaz Link to comment Share on other sites More sharing options...
cat2115 Posted November 15, 2010 Author Share Posted November 15, 2010 maybe it is the motherboard because i did that and still the same.It does sond a lot like the PSU.HOW did you test it?jaclazit's a brand new psu. i even try a different psu and it's the same. i was watching this youtube on building pc, and they mention about screwing mb to case. there's a metallic and non metallic hold. mayb i screw it on the non metallic and cause it be have stat??? Link to comment Share on other sites More sharing options...
puntoMX Posted November 16, 2010 Share Posted November 16, 2010 I don't think so but I've seen strange things before indeed. Take the components out of the case and test them on some cardboard or paper or so.It just sounds like bad capacitors inside the PSU or on the motherboard, mostly on the 12V line. Link to comment Share on other sites More sharing options...
cat2115 Posted November 16, 2010 Author Share Posted November 16, 2010 I don't think so but I've seen strange things before indeed. Take the components out of the case and test them on some cardboard or paper or so.It just sounds like bad capacitors inside the PSU or on the motherboard, mostly on the 12V line.thx. if it's a bad capacitor then i guess i can't do anything beside life with it. i dont know how to replace capacitors or where it's on the mb. any idea where it's on mb? Link to comment Share on other sites More sharing options...
puntoMX Posted November 16, 2010 Share Posted November 16, 2010 thx. if it's a bad capacitor then i guess i can't do anything beside life with it. i dont know how to replace capacitors or where it's on the mb. any idea where it's on mb?Hard to say, but check out this picture I borrowed from another site:See the 3 under the VGA/DVI connector, they are taller than the metal colored ones. Most of the time they pop there but also next to the chipset cooler.You could try a PCI-E video card . Link to comment Share on other sites More sharing options...
Tripredacus Posted November 16, 2010 Share Posted November 16, 2010 Finally, someone posted about a board I've actually used. Things to try:- try using less RAM (for test) like 4GB- run memtest- try take out the memory and then turn on PC. It should beep. If it doesn't...- reseat the CPUI've had a semi-brick motherboard, this one doesn't sound so bad. Link to comment Share on other sites More sharing options...
cat2115 Posted November 18, 2010 Author Share Posted November 18, 2010 Finally, someone posted about a board I've actually used. Things to try:- try using less RAM (for test) like 4GB- run memtest- try take out the memory and then turn on PC. It should beep. If it doesn't...- reseat the CPUI've had a semi-brick motherboard, this one doesn't sound so bad.thank you all. @ Tripredacus: i used to have 4gb installed and it's the same issue.@PuntoMX: i also use pci 16 express and it's the same issue as if i were to use onboard. i even try dvi and vga plug still the same problem. Link to comment Share on other sites More sharing options...
puntoMX Posted November 18, 2010 Share Posted November 18, 2010 Indeed, better live with it or replace it with another board, and better not Intel branded. If it goes AWOL than look at ASUS or GigaByte . Link to comment Share on other sites More sharing options...
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