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replaced PS and MB on hp 6300 microtower and STILL no boot?

B

berbes

Junior Member
i have this 6300 Microtower that i cannot figure out what is the problem it won't boot.

first, i disconnected everything peripheral, including the HD and DVD and while the pc fires up, there are no beeps whatsoever and a video card (fan) in the PCI slot shows no movement. the built-in video didn't work either, hence the vid card. after a few minutes, the PS starts revving up and getting loud. when i pulled the power, the MB did a quick single beep as an onboard green finally went out after a few seconds. i then think it's a MB issue. i replace the MB and the exact same thing happens, with one single quick beep as the on-board green light goes out. now, i'm thinking it's the PS.

i replace the PS and sure enough, the same result, with the exception that as the MB green light goes out, i get three short beeps.

the only things that are hooked up are the processor, MB, and PS.



what am i missing? is it the processor?



thanks!!

berbes
 
Bad memory can keep a rig from booting also. I had a bad stick many moons ago in a laptop that kept it from booting up. If it has two sticks then try booting up with one stick, you'd want to try both if the first doesn't boot up.
 
that's where i get a headache...EVERYTHING is unplugged from the MB including RAM. only the PS and monitor is hooked up to the MB's video plug. when that didn't work, i put in a card for the monitor, but the fan did not spin, indicating no power.
 
would a dead processor cause the same results, including the fan revving up after a couple of minutes?
 
so, would it safe to assume that the replacement MB i got was also screwed up? the only things connected are the PS and MB, and i couldn't get it to show anything on the MB vga, that's why i put in the vid card, and the card's fan wouldn't move.
 
berbes said:
that's where i get a headache...EVERYTHING is unplugged from the MB including RAM. only the PS and monitor is hooked up to the MB's video plug. when that didn't work, i put in a card for the monitor, but the fan did not spin, indicating no power.
Click to expand...
A PC won't boot without some RAM installed, but it might give some beep codes, depending on what it is.
 
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