bro..hindi sa sinasabi kong mali yung opinion nila..they have a point..pero It's can be also caused by Damaged Power Supply..although gumagana sya you cannot tell. Kc ganyan din PC ko..300watts 2..and pag sinaksak ko yung 1 CD-rom nag bloblock-out. base on experience lang mga bro..don't get me wrong..I'm just trying to help. It will take him to spend a lot kung bibili sya ng bagong MOBO..
And by the way..di mo po sinagot yung tanong ko..ilang watts po ba yung power Supply mo? and ano po yung Processor na gamit mo, and how many Hard drives connected?
Tinatanong ko po 2..just to compute if you have sufficient power on your system..
And also..let say 500watts yan..it can be also cause to have short supply..kagaya naman nung sa barkada ko.
He is using 500watts PSU, P4 2.4Ghz. 1HD, 1DVD-ROM, 1Floppy, pero black-out pa din..
Cge..sulat ko n lahat ng experience ko d2 regarding sa PC black-out.
causes:
1.Empty CMOS-battery (pag napapansin mo na lagi nang outdated yung tme ng PC mo and laging may lumalabas CMOS error press F1 to continue) kindly replace it.
2. Hard Disk (Actually d2..madalas yung IDE connector lang ang may sira..try to replace it muna..then just to make sure..lagay mo sya sa ibang PC..kung SATA..same procedure.)
3. Power Supply (just like what i said above)
4. Video Card (pero as u say..built-in ang gamit mo so you don't have to do this)
5. Motherboard (e2..wala pa talaga akong naincounter na nasira yung built-in display ng isang MOBO madalas yung RAM-slot lang, so e2 na yung last if ever)
Try to give some time doing my advice..it will not cost you a lot.
yung CMOS battery makakabili ka ng 60pesos 2pcs.
yung IDE connector or SATA connector for 100pesos.
PSU 500watts about 700-900.