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Recovering Gigabyte 7NF RZ after BIOS change!



 
 
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  #1  
Old March 3rd 07, 06:42 AM posted to alt.comp.periphs.mainboard.gigabyte
Young Mandy
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Posts: 26
Default Recovering Gigabyte 7NF RZ after BIOS change!

I wonder if someone can give my friend any advice.
He has a Gigabyte 7NF RZ with a Sempron 2200 (I think it is that) CPU and
because his readings showed it only had a 994 mhz speed he tried to alter
the settings (not flash it) in the BIOS.
He said he changed some settings but he can't remember which ones,
apparently now on boot up NOTHING happens; and obviously he cannot get into
the BIOS.

I suggested either removing or shorting with a screwdriver the jumper on
CMOS and also remove battery, But alas this never sorted
it................he claims ONCE he got a quick display (2 seconds) on the
monitor of the BIOS but then nothing. Now he gets absolutely nothing at all.

Is it possible to cock up the motherboard without flashing the BIOS but just
by changing settings?

Any tips/advice would be welcome to pass on to him

Many thanks in advance

  #2  
Old March 3rd 07, 09:37 AM posted to alt.comp.periphs.mainboard.gigabyte
Young Mandy
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Posts: 26
Default Recovering Gigabyte 7NF RZ after BIOS change!


"Young Mandy" wrote in message
...
I wonder if someone can give my friend any advice.
He has a Gigabyte 7NF RZ with a Sempron 2200 (I think it is that) CPU and
because his readings showed it only had a 994 mhz speed he tried to alter
the settings (not flash it) in the BIOS.
He said he changed some settings but he can't remember which ones,
apparently now on boot up NOTHING happens; and obviously he cannot get
into the BIOS.

I suggested either removing or shorting with a screwdriver the jumper on
CMOS and also remove battery, But alas this never sorted
it................he claims ONCE he got a quick display (2 seconds) on the
monitor of the BIOS but then nothing. Now he gets absolutely nothing at
all.

Is it possible to cock up the motherboard without flashing the BIOS but
just by changing settings?

Any tips/advice would be welcome to pass on to him

Many thanks in advance


Further Update.................it starts up with NO BLEEPS and nothing on
the monitor.
I have changed graphics card from PCI to AGP and tried a different monitor

Any suggestions would be appreciated

  #3  
Old March 3rd 07, 03:41 PM posted to alt.comp.periphs.mainboard.gigabyte
fondue
external usenet poster
 
Posts: 66
Default Recovering Gigabyte 7NF RZ after BIOS change!


"Young Mandy" wrote in message
...

"Young Mandy" wrote in message
...
I wonder if someone can give my friend any advice.
He has a Gigabyte 7NF RZ with a Sempron 2200 (I think it is that) CPU and
because his readings showed it only had a 994 mhz speed he tried to alter
the settings (not flash it) in the BIOS.
He said he changed some settings but he can't remember which ones,
apparently now on boot up NOTHING happens; and obviously he cannot get
into the BIOS.

I suggested either removing or shorting with a screwdriver the jumper on
CMOS and also remove battery, But alas this never sorted
it................he claims ONCE he got a quick display (2 seconds) on
the monitor of the BIOS but then nothing. Now he gets absolutely nothing
at all.

Is it possible to cock up the motherboard without flashing the BIOS but
just by changing settings?

Any tips/advice would be welcome to pass on to him

Many thanks in advance


Further Update.................it starts up with NO BLEEPS and nothing on
the monitor.
I have changed graphics card from PCI to AGP and tried a different monitor

Any suggestions would be appreciated


Not familiar with that board but most later motherboards do a reset if you
set the BIOS incorrectly. Either turn the comp of and on from the power
source four or five times, or remove the battery and power lead, and move
the CMOS reset jumper and leave it for several minutes. He should check his
manual on how to do this.

You can render the machine unbootable if you set the bus speed too high, the
multiplier incorrectly, and I guess set the voltage too high for the
processor. The last one is potentially damaging but the others don't usually
kill the board. Some boards won't boot if you have the CPU fan on the wrong
header, or there is no RPM sensor, (a two wire fan, instead of a three
wire).

Do the fan/s spin up?

Generally speaking if you don't know what a setting is you shouldn't change
it, and if you can't remember you probably shouldn't be poking around in the
BIOS.

The problem doesn't sound like the monitor. Depending on what else he has
done to the motherboard it could be anything.

I would start from scratch, pull everything out except VGA, CPU and RAM. He
might need to connect a HDD, (power only) as some PSUs need a load before
the will supply power. Get the manual and make sure he hasn't accidentally
dislodged a jumper or other connector. Did he remember to put the CMOS
jumper back correctly? I assume he is aware of the danger of static
discharge when working inside his comp.

Ideally he would need another PSU, memory, RAM, motherboard or CPU to test
with.

The problem I find is when people say, "I didn't touch anything...", or,"I
only changed one setting..", this is code for "I changed a whole lot of
things, but I didn't really know what they were for... but they just didn't
look right!" ;-)

Good luck.


  #4  
Old March 3rd 07, 05:27 PM posted to alt.comp.periphs.mainboard.gigabyte
Young Mandy
external usenet poster
 
Posts: 26
Default Recovering Gigabyte 7NF RZ after BIOS change!


"fondue" wrote in message
...

"Young Mandy" wrote in message
...

"Young Mandy" wrote in message
...
I wonder if someone can give my friend any advice.
He has a Gigabyte 7NF RZ with a Sempron 2200 (I think it is that) CPU
and because his readings showed it only had a 994 mhz speed he tried to
alter the settings (not flash it) in the BIOS.
He said he changed some settings but he can't remember which ones,
apparently now on boot up NOTHING happens; and obviously he cannot get
into the BIOS.

I suggested either removing or shorting with a screwdriver the jumper on
CMOS and also remove battery, But alas this never sorted
it................he claims ONCE he got a quick display (2 seconds) on
the monitor of the BIOS but then nothing. Now he gets absolutely nothing
at all.

Is it possible to cock up the motherboard without flashing the BIOS but
just by changing settings?

Any tips/advice would be welcome to pass on to him

Many thanks in advance


Further Update.................it starts up with NO BLEEPS and nothing on
the monitor.
I have changed graphics card from PCI to AGP and tried a different
monitor

Any suggestions would be appreciated


Not familiar with that board but most later motherboards do a reset if you
set the BIOS incorrectly. Either turn the comp of and on from the power
source four or five times, or remove the battery and power lead, and move
the CMOS reset jumper and leave it for several minutes. He should check
his manual on how to do this.

You can render the machine unbootable if you set the bus speed too high,
the multiplier incorrectly, and I guess set the voltage too high for the
processor. The last one is potentially damaging but the others don't
usually kill the board. Some boards won't boot if you have the CPU fan on
the wrong header, or there is no RPM sensor, (a two wire fan, instead of a
three wire).

Do the fan/s spin up?

Generally speaking if you don't know what a setting is you shouldn't
change it, and if you can't remember you probably shouldn't be poking
around in the BIOS.

The problem doesn't sound like the monitor. Depending on what else he has
done to the motherboard it could be anything.

I would start from scratch, pull everything out except VGA, CPU and RAM.
He might need to connect a HDD, (power only) as some PSUs need a load
before the will supply power. Get the manual and make sure he hasn't
accidentally dislodged a jumper or other connector. Did he remember to put
the CMOS jumper back correctly? I assume he is aware of the danger of
static discharge when working inside his comp.

Ideally he would need another PSU, memory, RAM, motherboard or CPU to test
with.

The problem I find is when people say, "I didn't touch anything...", or,"I
only changed one setting..", this is code for "I changed a whole lot of
things, but I didn't really know what they were for... but they just
didn't look right!" ;-)

Good luck.


Your last paragraph is probably oh so true.
Any way I have changed the PSU et etc all with no joy.
Also I had already done what you suggested (remove everything), but still
nothing :-(
As I get no bleeps whatsoever I think he has cocked up the motherboard.
Thanks for your time

  #5  
Old March 26th 07, 01:31 PM posted to alt.comp.periphs.mainboard.gigabyte
Rdebond666
external usenet poster
 
Posts: 1
Default Recovering Gigabyte 7NF RZ after BIOS change!

I have the same problem here although i did not alter bios or anything
myself. Maybe you are not running an AGP 8x 1.5V ONLY? i belive this
is my problem although im a novice really and cldnt be sure. Anyone
with info on cheap AGP 8x graphics cards help us out lol.

  #6  
Old March 26th 07, 01:31 PM posted to alt.comp.periphs.mainboard.gigabyte
Davy
external usenet poster
 
Posts: 183
Default Recovering Gigabyte 7NF RZ after BIOS change!

The $1,000000 dollar question - why did he want to adjust the
setting's?

I can't say for your mobo but Rdebond666 is correct with my Gigabyte
mobo in that it will only accept 1.5V cards and not 3.3V types...

...don't know how you went on, my manual you had to study rather than
read - full of comical errors often contridicting itself.

I assume that at some stage the computer was working ok even with the
original graphic card. First of all you will get into bios with just
the CPU, RAM and graphic card... even the hard drive can be
disconnected and getting into bios your first goal.

What happens is you power up, the bios does a Power On Self Test
(POST) if all is ok it gives a beep (and you'll be able to get into
bios set up screen if wished) the beep says I'm ok and handing control
over to the CPU and the CPU tell's the hard drive telling it to load
windows into RAM.


First of all I would disconnect all USB devices, pull out and
re-insert the RAM and Graphic card's, I call this re-seating,
do make sure the main power is
off then check all the settings on the
mobo for the correct FSB clocking speeds, usually little DIL switches,
then try booting to bios screen.

[b:47115a6354][i:47115a6354]The DIL switches could easily account for
the incorrect speed[/i:47115a6354][/b:47115a6354]

To reset the bios all you need to do is to remove the coin cell for
about three minutes, I doubt if this will help.... do make sure this
cell is OK though, duff battery no boot, check with a digital test
meter (never with a old pointer type meter) or lop a replacement in
being the best - never a good idea shorting things out with
anything.

Look out for bad or swollen capacitors (caps for short) here's what
they look like http://home.earthlink.net/~doniteli/index27.htm

This leaves Mobo, CPU, RAM, Graphic card and Power supply - just
gotta be one of these then...

Here's the spec for the CPU
http://www.xbitlabs.com/news/cpu/dis...721013003.html

Davy

 




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