Member Avatar for beowulf3

i have an old tower i built in 04, enermax case,asus p4p800se mobo, intel 4 / 3.2g was
using bfg card went to a pny 7600gs worked fine for a while started up one day no display just goes light in color but not dark like it used to and then would show display not at all now on monitor power button just blinks on and off had some trouble with registry, on and off and now this, cant get in bios to check any ideas

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  • Latest Post Latest Post by jermaghs07

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Quick, practical checklist now that has installed the replacement board and raised the monitor possibility: the most common causes after a motherboard swap are power/connector issues, a failed PSU, or a simple seating/POST problem. Run a minimal bench test and eliminate the easy bits first.

  • Bare-board bench test: place the new board on cardboard, install CPU + cooler, plug the CPU 4/8‑pin and main ATX connector, fit one known-good RAM stick in the primary slot, attach the monitor to the board (or a GPU if you must), and use the case power switch (or short the two power pins briefly) to turn it on. Watch for fan spin, motherboard LEDs and any beep codes (add a tiny PC speaker if the board has no built-in beeper).
  • If nothing powers or fans don’t spin, test the PSU next: swap in a known-good PSU or use a PSU tester. If those aren’t available, the paperclip method can start a PSU for a basic check but always attach at least one fan/HDD as a load and take proper safety precautions.
  • If the board powers but no video: remove the discrete card and try onboard video (or vice versa), try a different cable/monitor, and make sure any GPU auxiliary power leads are connected. Reseat the GPU and RAM, try each memory stick one at a time and in different slots.

Also reset CMOS (battery out a few minutes or use the jumper), inspect for misplaced standoffs or shorts under the board, and look for blown/bulging capacitors. If after those steps there’s still no POST or odd voltages, swap the PSU or have the board/CPU checked at a shop rather than running it further. Take ESD and mains-safety precautions when working inside the case.

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Member Avatar for jermaghs07

what kind of monitor? it sounds like the monitor might be bad.

Member Avatar for beowulf3

syncmaster 204b, i found out yesterday that it was my mobo, so i bought a "biostar P4M8O-M4" trying to get to power up now hope my power supply is not gone doing something wrong he he lol

Member Avatar for jermaghs07

best of luck..
keep us posted on how that works out for you.

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