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PC powers on, no display, no hdd light (please, urgent help needed)

I was using my pc then it froze all of a sudden and made a weird "Transformers" sound, like one from the movies. This happens a lot and when this occurs, i'd just restart the pc and it will turn on normally.

But this time, the pc wont boot. The fans are running but there are no display and hdd light. Sometimes I'll just let it sit for an hour then it will run like nothing happened but now i've been waiting since yesterday and it wont boot.

I tried reseating the ram, videocard, dvd drive, hard disk and processor but nothing changes. I also tried removing the CMOS battery and placing it back on.

I've got a magazine to layout and the deadline is 2 days away. Please, i need your help. And Thank you in advance!

P.S. There are also no mouse and keyboard activity. The only reaction i got from the keyboard is when i press the power button and all of its three lights blink the same time.
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  1. sounds like overheating possibly. or a corrupted driver. download WHOCRASHED to get a rough idea of which driver may have crashed. What are your CPU temperatures like?
  2. delellod123 said:
    sounds like overheating possibly. or a corrupted driver. download WHOCRASHED to get a rough idea of which driver may have crashed. What are your CPU temperatures like?


    about 70degrees C on core1 and 2. Last time i checked it was when i was playing Assassins Creed. So i don't really know what's my cpu temp on standby. My videocard is at 46degrees to 60 degrees while playing.

    Last night i booted when i switched my single 4gig ram into the other socket. Everything was happy with the world then it happened again just now. But this case, the PSU is making a lot of noise whener i turn on the unit. Thank you for taking notice to this thread :)
  3. hmmm, PSU may be going bad. What kind is it?
  4. It's a 4 year old ACROSS PSU. I think it's generic and the brand is local. It's 600 Watts. I may drop by to the store and buy a new one. Any suggestions? Do you think this will fix my problem?
  5. delellod123 said:
    hmmm, PSU may be going bad. What kind is it?


    I think it's not the PSU. I borrowed my friend's old 500W PSU. Tried to hook it up, then i turned it on with the Video Card detached. It still won't boot. What should i do :(
  6. Best answer
    So would you assume the video card is bad then? If It booted without it?
  7. delellod123 said:
    So would you assume the video card is bad then? If It booted without it?


    Sorry, pressed the wrong button. Anyway, it is still not booting. Even without the video card
  8. Are you getting a post beep
  9. delellod123 said:
    Are you getting a post beep


    My pc is pretty weird. Since the day i bought it, it doesn't beep. But i noticed the there's an internal speaker attached to a 4-pin (the third one missing) SPDIF. That's all i got
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