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boot - reset button versus power on ?
I have a PC which does not boot when you turn it on.
There is just a blinking underscore in the top left corner. If I press the reset button, then it will boot okay. I went to BIOS and did "load failsafe defaults" but that has no effect. I was under the impression that both reset and power on will cause a hard-cold boot. There only difference I can see is that when powering up, capacitors would be discharged, but when pressing reset, they are charged. |
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boot - reset button versus power on ?
On Jan 13, 12:28 am, wrote:
I have a PC which does not boot when you turn it on. There is just a blinking underscore in the top left corner. If I press the reset button, then it will boot okay. I went to BIOS and did "load failsafe defaults" but that has no effect. I was under the impression that both reset and power on will cause a hard-cold boot. There only difference I can see is that when powering up, capacitors would be discharged, but when pressing reset, they are charged. Sort of the default video's functional output prior to sequenced mapping of BIOS to ASCII tables. Reset switch is a little different and not what's referred to as an actual cold boot after generally chipping out an ancient PC frozen into an iceblock from the Arctic tundra. Before all that, though, try removing or rerouting when possible the inside components. You may have a DVD unit or memory stick, once removed, that will cause the problem to change. That's what you want to know (and preferably before "testing" swapped-out PS units). Take out your video board if using one and clean both sides the contacts with an ink eraser, brush it off for any rubber debris, and wipe them down before reinsertion with a cloth that's had a touch of contact cleaner sprayed on it. Might treat your memory and other boards while you're at it. Look it over carefully for a good assembly, with all your connections are firmly seated making good contacts. If you're getting that behavior only from a unit which has been unplugged or the toggle on the PS turned off, it could be just a logic thing involving some older timing strobe issues, and nothing much to worry about. |
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