Hi, I've already posted this issue under the "Video Card" category because at first I was experiencing what it looked like a video card problem. The post is titled "Suddenly my PC won't boot"
Following recommendations, I bought a new PSU. And now I face this problem:
I'm connecting only: a.) Mainboard; b.) PSU; c.) One memory stick; d.) Monitor to the onboard graphics on the mainboard.
Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. This goes on and on automatically for at least 8-10 times. Then it finally gets to the POST.
Once there, everything seems normal. Then I turned it off and back on several times to see if it works, and now every time is a successful boot. Problem appears to be gone.
BUT; then after turning it off, I waited for 10 minutes (like to let it cool down). Then the problem appears again. (several failed attemps on its own to finally boot). It is like it boots when only when hot or something, I don't know.
It's important to mention that this system has been running for + or - 2 years with the PSU I had previously: Agiler AGI-PS800.
Now, the new PSU I bought is a Corsair Tx-750W completely new. The problem shows up with BOTH, so I'm discarding psu fault.
System:
Mainboard: Biostar G3 M7 TE
CPU: Intel core 2 duo 2.8mhz
Stock CPU fan
Memory: AData 2GB
Other hardware (right now disconnected):
Nvidia GTX 260 (this was powered by a 26amp 12v rail from old PSU, the two years). (Also, this began to spin the fan at full speed when turning on, with no Post, that's when I discovered the problem) (which was the reason I bought new corsair PSU)
2 Sata HDrives
1 IDE HDrive
Card reader
DVD rom
LG 22" 1920*1080 monitor.
Last thing: I see the two memory sticks are different. One is smaller (in physical size) than the other. But the system has been working these years fine with them. The one (which I left alone to test) says: AS2667002GMU AData. The other one says: Kingston KVR800D2N6/2G. May this be the problem despite the fact that I removed one to test and problem still appears?.. MAy the problem be the mainboard? What do you suggest?
Help.. Thank you very much
Note: As I said I've already posted this issue under the Video Card category as a reply to my initial post; it's under the title "Suddenly my PC won't boot". I'm posting it here now because what at first looked like a GPU issue, turned out to be a MB, or cpu issue. So if anyone replies here or there please know it is the same issue, same person. Thanks
Following recommendations, I bought a new PSU. And now I face this problem:
I'm connecting only: a.) Mainboard; b.) PSU; c.) One memory stick; d.) Monitor to the onboard graphics on the mainboard.
Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. This goes on and on automatically for at least 8-10 times. Then it finally gets to the POST.
Once there, everything seems normal. Then I turned it off and back on several times to see if it works, and now every time is a successful boot. Problem appears to be gone.
BUT; then after turning it off, I waited for 10 minutes (like to let it cool down). Then the problem appears again. (several failed attemps on its own to finally boot). It is like it boots when only when hot or something, I don't know.
It's important to mention that this system has been running for + or - 2 years with the PSU I had previously: Agiler AGI-PS800.
Now, the new PSU I bought is a Corsair Tx-750W completely new. The problem shows up with BOTH, so I'm discarding psu fault.
System:
Mainboard: Biostar G3 M7 TE
CPU: Intel core 2 duo 2.8mhz
Stock CPU fan
Memory: AData 2GB
Other hardware (right now disconnected):
Nvidia GTX 260 (this was powered by a 26amp 12v rail from old PSU, the two years). (Also, this began to spin the fan at full speed when turning on, with no Post, that's when I discovered the problem) (which was the reason I bought new corsair PSU)
2 Sata HDrives
1 IDE HDrive
Card reader
DVD rom
LG 22" 1920*1080 monitor.
Last thing: I see the two memory sticks are different. One is smaller (in physical size) than the other. But the system has been working these years fine with them. The one (which I left alone to test) says: AS2667002GMU AData. The other one says: Kingston KVR800D2N6/2G. May this be the problem despite the fact that I removed one to test and problem still appears?.. MAy the problem be the mainboard? What do you suggest?
Help.. Thank you very much
Note: As I said I've already posted this issue under the Video Card category as a reply to my initial post; it's under the title "Suddenly my PC won't boot". I'm posting it here now because what at first looked like a GPU issue, turned out to be a MB, or cpu issue. So if anyone replies here or there please know it is the same issue, same person. Thanks