Re: Install PCI-E, blackscreen POST
- From: "Mike Easter" <MikeE@xxxxxxxxxxxx>
- Date: Wed, 28 May 2008 10:00:45 -0700
Paul wrote:
Thanks for your reply.
Mike Easter wrote:
I have no alternate/spare PCI-E cards (or PCI for that matter) to test
with. I am afraid to configure the bios setup to look for the video on
the PCI-E card first because if I do that and the card is bad, I will
get a blackscreen on the bios post and I won't be able to change back
to the integrated video because I won't be able to see anything to get
into the setup and make the change.
How is this business about changing from integrated video to pci-e card
supposed to be done with a BIOS which has such a configuration to
choose between integrated, pci-e or pci?
In theory, if you change a BIOS setting, and "lose control" of the
system, then using the "clear CMOS" jumper, reestablishes BIOS
defaults.
But I don't know whether the bios defaults are for using the integrated
video or a video card. The existing bios configuration was done by
hp/compaq and suits the way the box was sold, with integrated video and no
card, and while it might be 'logical' for the bios default to be
integrated, the bios itself was designed to be used with lots of different
mobos, not just the one I have.
It
pays to record any custom settings in the BIOS before going any
further - then you can put the settings back, if a "clear CMOS" is
required.
I'm not 100% sure that clear cmos would provide me with a configuration
for a 'rescue' condition, which in this case is to use the integrated
video, which works. If the default of a cleared cmos is pci or pci-e,
then I'm screwed.
When "clearing CMOS", always unplug the computer! There arehttp://h10025.www1.hp.com/ewfrf/wc/genericDocument?docname=c00757470&cc=us
motherboards, where a certain diode on the motherboard is burned, if
you use the CMOS jumper, while the system is plugged in. One guy
managed to fix his
dual diode, after it got burned, but many people don't have the
skills to find and fix it, if it gets damaged. If there are text
instructions available, they will usually mention unplugging the
computer, as the first step.
You can also try plugging the monitor, into either the onboard or
the new video card, to see whether either device got enabled.
"Clearing CMOS" is mentioned at the bottom of this page.
&dlc=en&lc=en&jumpid=reg_R1002_USEN
Nice link. I was aware of that hp section, but I don't think I had
actually looked at the clear cmos pix which are crystal clear.
I'd start by plugging in the video card, and see whether you
get video on it or not. Be prepared to press the key to enter
the BIOS, to prevent the computer from booting immediately.
I've installed the video card and attached the vga cable to it and that is
the condition which gives me blackscreen POST, but I could have previously
changed the bios setting to primarily use the pci-e card, which I did not
do because I was 'afraid' -- which I still am because I'm not confident
that clear cmos will rescue me.
In the condition of pci-e card physically installed but vga cable attached
to the integrated video vga, the XP OS can recognize the card and the
accompanying evga driver software can install evga drivers for the card,
but that doesn't allay my apprehension about this bios blackout business.
If the bios doesn't know how to find a video all by itself, and expects
the setup to configure/aim it, then there must be 2 essential ingredients
to get to the OS and its drivers: the bios must know which video to use,
and there must be a working video capability there. If I change the bios
information about which video to use and there isn't a working video
there, then I'm shut out.
If the rescue operation for being shutout by restoring cmos results in a
restored cmos which is expecting a video card at pci-e or pci, then I'm
still shut out.
Motherboards can have a number of options, for BIOS behavior.
Some recent motherboards, allow onboard and video card to work
at the same time. Many will disable the onboard, when a video
card is detected as being plugged in.
That does not appear to be the case here.
You can see here, that a number of people have had trouble with theirhttp://vip.asus.com/forum/view.aspx?id=20070129192529222&board_id=1&model=
Asus retail motherboard. One guy reports one time in ten, video
appears on the PCI Express card. (In the ECS group, one user
noticed that on his system, this was caused by the PCI Express
clock being overclocked. That probably isn't the same reason here.)
M2NPV-MX&page=1&SLanguage=en-us
I'm currently conversing about this issue on the asus mobo forum section,
but so far no replies.
Thanks for your input. Maybe you can advise if there is a way to
determine what the bios defaults are without resetting to the defaults.
--
Mike Easter
.
- Follow-Ups:
- Re: Install PCI-E, blackscreen POST
- From: Paul
- Re: Install PCI-E, blackscreen POST
- References:
- Install PCI-E, blackscreen POST
- From: Mike Easter
- Re: Install PCI-E, blackscreen POST
- From: Paul
- Install PCI-E, blackscreen POST
- Prev by Date: Re: Install PCI-E, blackscreen POST
- Next by Date: Re: Install PCI-E, blackscreen POST
- Previous by thread: Re: Install PCI-E, blackscreen POST
- Next by thread: Re: Install PCI-E, blackscreen POST
- Index(es):
Relevant Pages
|
