RE: Device Manager missing "display adapters" entry
- From: Bob <Bob@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 30 Jul 2009 18:58:01 -0700
Hello,
Well my problem was due to my wife's old motherboard being an old
Abit NF7-S nvidia based motherboard, and the minute I deinstalled the old
nividia drivers, the display adapters entry would disappear from the device
manager and my video card then installed as an unknown device. Catalyst would
not start because it didn't see any video card display drivers loaded since
there was no video card listed under display adapters since there was no
display adapter entry anymore. I decided to just leave the motherboard
nividia drivers alone, duped her old hard drive, used my original
installation CD to repair the existing windows installation, and then
everything went fine after that. I now have my display adapter entry there,
my ATI HD4890 video card shows properly as a video adapter, the drivers load
properly, and catalyst starts and runs fine. The system runs fast and sweet
with the new Asus M3A78 Pro motherboard, AM2+ Phenom II 940 cpu, and 4GB of
ddr2-1066 ram running Windows XP SP3 on a 750GB WD Caviar Black hard drive,
with an LG Blu-Ray drive and a Asus DVD-RW drive. I am using a Zalman 750w
power supply and the cpu is being cooled by a AC 64 freezer Pro fan/heatsink
with the new AC thermal paste with seems to work quite well. I replaced all
the fans in the Sagatta II case with high end Enermax twister fans, 120mm and
80mm fans, and the system, cpu, and Gigabyte 1GB HD4890 video card all run
nice and cool. Even with the video card fan manually set down at only 45% it
keeps the card idling cool at around 38 degrees C. The motherboard shows
around 34 degrees C and the cpu overclocked to 3.23ghz shows idle temp at
around 28 degrees C. So everything is running quite well and I am very happy
with the final results <grin>. Have a great day and thanks for the post!!!!
Bob
"thegeekshop" wrote:
I just basically had the same issue. No "Display Adapters" entry in Device.
Manager. Neither an ATI nor NVidia AGP card would load. The motherboard
installed is an ECS P4 board with VIA chipset. I uninstalled the VIA CPU to
AGP2.0/AGP3.0 Controller (motherboard driver) under System Devices in Device
Manager. Rebooted. XP reloaded the motherboard driver and then I was able to
install either video card. Hope this helps you too,
"Bob" wrote:
My wife's system was dying (old Nforce2 AGP system). I rebuilt the system
with a new AM2+ motherboard, cpu, ram, video card. I booted off the original
installation CD (WinXP Pro 32-bit) with the original hard drive installed,
and told the CD to repair the existing Windows installation. I have years of
messages, receipts, and other info on my wife's system and it would have been
a nightmare to try and reinstall all of the old programs and copy over all of
the old vital information. The upgrade/updating actually went quite well and
most everything is working great. HOWEVER, I can not get the ATI catalyst
software to load because it says no ATI driver is installed, even after I've
installed the full correct catalyst package direct from ATI's website
(HD4890). When I go into Device Manager there is no longer a "display
adapters" entry showing in the list of hardware, and my video card is now
showing under "Unknown" at the bottom of the list of hardware. If I go into
DISPLAY inside Control Panel, I do see the video card listed as a 4800 series
ATI video card attached to multiple displays? Yes, that is the second
problem. I only have a single 24" LCD monitor attached to a single video port
on the video card, but I am showing three default monitor entries, one
generic television entry, and two plug n' play entries under "monitor" in
Device Manager. I need to get "display adapters" back into Device Manager so
my video card can be recognized as a video card and placed under the display
adapter entry, and hopefully then all those "extra" monitor entries will go
away as well. I have tried deinstalling and reinstalling the ATI drivers
completely to no avail, and yes, all the motherboard drivers have been
installed. I would appreciate any help possible. I sent an email request to
Microsoft for tech assistance, and they sent me an email link pointing me to
here???? I guess Microsoft doesn't supply tech support assistance to end
users in trouble anymore unless you pay $59 for it??? Thanks.
Bob
- References:
- Device Manager missing "display adapters" entry
- From: Bob
- RE: Device Manager missing "display adapters" entry
- From: thegeekshop
- Device Manager missing "display adapters" entry
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