Archived from groups: alt.comp.hardware.pc-homebuilt (
More info?)
The problem is I cannot access anything (BIOS, device manager etc) because
the computer cannot even reach the POST screen - the monitor isn't picking
up a signal.
"w_tom" <w_tom1@hotmail.com> wrote in message
news:4305F005.3EBF6FD7@hotmail.com...
> Many people will say it is this or that. IOW they are
> guessing. They are also expert automobile mechanics. Worse
> still, they will not even say WHY it is this or that which
> means wild speculation.
>
> If somehow the BIOS got changed, then reset the BIOS to
> defaults ... AFTER recording what was originally in that
> BIOS. Some BIOS defaults are intentionally different to
> correct hardware incompatibility problems. Always record all
> previously information before changing anything.
>
> Try swapping memory SIMMs to get the machine to boot. If
> swapping solves a booting problem, then one of those SIMMs is
> probably defective.
>
> A long list of reasons that could create the failure. So we
> don't yet even worry about fixing the problem. First we must
> understand it. For starters, what does the error message
> say. Many will just say to do this when you get that
> message. IOW they speculate. But the message suggests a
> computer program tried to access memory that was illegal to
> access. So why did program do that? Memory error? Defective
> software? We don't know from what you have reported. So we
> move on to collecting relevant facts - and don't yet try to
> fix anything.
>
> What does the Event (system) log report? Was this due to a
> problem that your system had seen previously and had
> previously worked around? Information from Event log is
> necessary to diagnose the problem. See help (if necessary) to
> find event log.
>
> Also perform a quick check of the Device Manager just to
> verify no defects were detected by the system.
>
> A responsible computer manufacturer provides a comprehensive
> set of diagnostics for the machine. If not provided, then you
> must download and execute those diagnostics from each
> component manufacturer. Especially important is the memory
> diagnostic such as by Docmem or Memtst86. Run a memory
> diagnostic first at normal cooler temperatures. Then repeat
> the same diagnostics with memory chips heated by hairdryer on
> high. That heated memory is quite normal temperature to
> semiconductors (see data sheets if you doubt it). But
> defective memory becomes more obviously defective when hot.
> So heat it to temperatures that to you is uncomfortable to
> touch. Good memory works just fine at those temperatures.
> Intermittent memory becomes more failure prone and is easier
> to detect with a memory diagnostic.
>
> Why do you think others hype fans. They had problems.
> Instead of fixing the problems, they cured the symptoms - more
> fans. One chassis fan is more than sufficient cooling for
> most computers. Two fans is only redundancy. Heat is also a
> tool to assist diagnostics in finding intermittent defects.
>
> Get diagnostics for those other system components. Notice
> we first verify hardware integrity before even looking at or
> suspecting Windows or software.
>
> Meanwhile, buying a second power supply is usually wasted
> money advocated by those who don't first collect facts. The
> integrity of the power supply and other components of a power
> supply 'system' are better checked in two minutes using a 3.5
> digit multimeter. Yes, you replaced a power supply but other
> components of the original power supply system remain. Not
> that this would be a reasons for your problem. Some
> procedures to see if both supplies are (were) good
> accomplished in but 2 minutes:
> "Computer doesnt start at all" in alt.comp.hardware on 10
> Jan 2004 at
>
http://tinyurl.com/2t69q and
> "I think my power supply is dead" in alt.comp.hardware on 5
> Feb 2004 at
>
http://www.tinyurl.com/2musa
>
> However in two minutes by only recording voltages (on red,
> orange and yellow wires), you will probably discover power
> supply system is and always was OK.
>
> One last thing. Write down what you see. Numbers in that
> original message that may have better identified what to look
> for. But you did not record those numbers. Numbers that mean
> nothing to you might have accurately answered your question in
> a first shot. Collect facts. Fixing the problem comes later
> once we have identified a real suspect - and not wildly start
> replacing power supplies only because some Uncle Ned did that
> previously.
>
> Even if the collected data means nothing to you, that data
> does provide those who 'answer without speculation' the
> necessary tools to therefore bother to reply. Currently the
> information as provided got previous responses of same
> integrity.
>
> Jabba wrote:
>> I was merrily using my PC when suddenly it gave me a blue screen
>> of death. This is what it said
>>
>> DRIVER_IRQL_NOT_LESS_OR_EQUAL
>>
>> There was more stuff though unfortunately I've forgotten it now.
>>
>> So I restart and it wont even get to the post screen and the
>> motherboard is beeping. It's a constant beeping, about a 1 second
>> long beep followed by approximately a 1 second pause and then
>> beeps again - and it does this continuously.
>>
>> So after lots of restarting, turning off and leaving for a while
>> then trying again, it went to the BIOS page and under the CPU
>> settings it said something like your CPU is running too fast...
>>
>> From what I've read when looking up this problem it seems it could
>> be a power problem (or at least that is what people have said on
>> forums).
>>
>> I tried another power supply but I still get the beeping and no
>> post screen. MY LCD monitor doesn't even appear to be getting a
>> signal.
>>
>> I pulled out my RAM and still got the same beeping so I guess the
>> problem occurs before a RAM check is made.
>>
>> My motherboard is an ASUS A7V8-X. My CPU IS an AMD 2600+
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