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Home > Archive > alt.certification.a-plus > November 2003 > what would cause this problem? Keyboard/Mouse doesn't work every restart
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what would cause this problem? Keyboard/Mouse doesn't work every restart
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| Kangol kangoll 2003-11-22, 11:23 pm |
| this computer every time it reboots the keyboard is faulty, and it does not
work. for example like starting up when i hit del it does not go into the
bios, but when i hit restart on the computer to restart the system, and hit
delete again i can enter the BIOS. anyone know what would be causing this?
i think faulty connectors might of caused this. not sure.
the motherboard is a MSI motherboard KT600 with nforce2 drivers, with built
in LAN and audio.
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| I used to have a similar problem using a USB keyboard and mouse when I was
still using Win9x. Sometimes it worked fine and sometimes it didn't--never
found the cause. I haven't had the problem since switching to a newer
motherboard and WinXP. You can alway try using a little contact cleaner
spray on the connectors but I suspect the problem is software (either BIOS
or OS) related.
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| hootnholler 2003-11-23, 5:24 pm |
| Hi Kangol,
Bad news is, if this is ps/2, the BIOS controls the keyboard. If that is
the case, maybe a new motherboard is in your future. Have also seen a few
where the solder joints on the keyboard are shot. You can try the contact
cleaner method, which was suggested, and not a bad idea, but have found that
to be the problem in only very remote circumstances.
Try the contact cleaner (won't hurt anything...), then, try another
keyboard, then try restoring the bios to default (if you can...) and if not,
start hunting for another connection, like usb, and if nada on all these,
may need another keyboard. It's a nice board, so probably one of the
forementioned problems.
Hope this helps.
Hoot
"Kangol kangoll" <kangol@whoever.com> wrote in message
news:Xns943BCE57161kangolwhoev
ercom@198.161.157.145...
> this computer every time it reboots the keyboard is faulty, and it does
not
> work. for example like starting up when i hit del it does not go into the
> bios, but when i hit restart on the computer to restart the system, and
hit
> delete again i can enter the BIOS. anyone know what would be causing this?
> i think faulty connectors might of caused this. not sure.
> the motherboard is a MSI motherboard KT600 with nforce2 drivers, with
built
> in LAN and audio.
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| Kangol kangoll 2003-11-24, 1:24 am |
| the motherboard is actually new not old, sorry i did not mention that it's
running the new nforce2 chipset i belive it's the KT400 chipset running DDR
400 ram. the model is MSI K7N2 Delta-L Nforce2 socketA
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| Kangol kangoll 2003-11-24, 1:24 am |
| Kangol kangoll <kangol@whoever.com> wrote in
news:Xns943CE82DE4C5Ekangolwho
evercom@198.161.157.145:
> the motherboard is actually new not old, sorry i did not mention that
> it's running the new nforce2 chipset i belive it's the KT600 chipset
> running DDR 400 ram. the model is MSI K7N2 Delta-L Nforce2 socketA
Also, the keyboard is a ps\2 connector
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| hootnholler 2003-11-24, 6:24 pm |
| Actually, I should apologize, after reviewing my message...
I meant you may need a new motherboard, not keyboard. In most cases (at
least every one that I have seen....) the ps/2 connection is originally
setup by the information in CMOS (BIOS chip). Ie, the keyboard should have
limited function until your operating system is booted, then you can have
other functions that are controlled by the OS, like an internet keyboard,
volume controls, and whatever doodads they throw on a 'special' keyboard.
To enter the BIOS, the CMOS should have the information stored in it for
almost every keyboard. Again, if it says hit delete to enter BIOS, the CMOS
should recognize that keystroke.
Soo, let's start from the keyboard and work our way back to the pc itself.
First, check the wire. Is it 'kinked', frayed, or appear split at all? If
so, replace keyboard. Next, check the ps/2 connection. Is it seated
properly? Any missing or bent pins, or other nefarious things? This may be
a good time to try the contact cleaner cleaning, and try again. If nothing,
time to crack the case. Now, follow the external plug in to where it is
connected to the motherboard itself. Does there seem to be a bad solder
joint? Unless you are real good with a soldering iron, let it go, if you do
find one. If all seems good, there is only one of possible 2 things that I
can think of, the connector itself is bad (which does happen) or the CMOS is
corrupt. Personally, I would try and pick up a usb keyboard, give that a
go, see if anything helps, lot cheaper. If that doesn't work, try to figure
out why the CMOS is corrupt, but in all honesty, at this point, would
replace the motherboard.
I do hope that it's not the motherboard, that is a nice board. I run the
nforce2 myself on an Asus board and very happy with it. But, to be the
bearer of bad news, there was a recall on several boards about that time
about the electrolytic fluid in capacitors. Apparently, some capacitor
manufacturer thought they stole the recipe from a reputable manufacturer,
and tried to sell their stuff. They succeeded. Problem was, they didn't
get the formula correct, and causes some caps to swell on a board, which
your problem is one of the many symptoms. They are the 'yellow can' looking
things on the board, and you can tell if they are swelled, they usually look
like soda cans about ready to burst, and the silver disc on top is usually
bulged. Kangol, really hoping you're not another victim of this...
Check it out and lemme know what you find. Will try to give as much info as
my puny mind can sustain.
Hoot
"Kangol kangoll" <kangol@whoever.com> wrote in message
news:Xns943CE8ABA7B66kangolwho
evercom@198.161.157.145...
> Kangol kangoll <kangol@whoever.com> wrote in
> news:Xns943CE82DE4C5Ekangolwho
evercom@198.161.157.145:
>
>
> Also, the keyboard is a ps\2 connector
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| Navin R. Johnson 2003-11-25, 12:25 pm |
| On Mon, 24 Nov 2003 05:49:26 GMT, Kangol kangoll <kangol@whoever.com>
wrote:
>the motherboard is actually new not old, sorry i did not mention that it's
>running the new nforce2 chipset i belive it's the KT400 chipset running DDR
>400 ram. the model is MSI K7N2 Delta-L Nforce2 socketA
Some keyboards are slow to initialize. Try disabling the 'Quick Power On
Self Test' and see if that helps. Before swapping out the motherboard,
try clearing the CMOS then use the most conservative settings. Also,
have you tried a different keyboard? Good luck.
NRJ
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