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AOC LM721A Monitor problem


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#1
Hammm

Hammm

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hey guys, i'm having a slight problem with my AOC monitor. recently, i used my Windows XP Home SP2 disk to repair my installation. however, after the repair, my display has incountered lots of problems. it flickers a lot when i scroll, it's really slow and can't handle video tasks which it could before the repair occourred. the easiest way should've been to use windows restore but i forgot to make a restore point before :whistling: so now i'm stuck with a sub-usual display. i though it maybe my Radeon 9550 driver problem but i tried to reinstall it and it simply says, "Installation Cannot Be Completed, Please Try To Install A Standard VGA driver first" i thought this meant install my monitors driver first. so i tried to do that but my monitor is a plug and play one. there was a similar problem on another forum and i followed it's solution. it told me to go to Driver Properties, then settings, advanced, adapter. everything there is on unknown. when i go into it's properties, it says, VGAsave, device type non-plug and play. but i don't understand? it used to work fine. also, at resuorces, it says Conflicting Device List :Input/Output Range 03B0 - 03BB used by:
VIA CPU to AGP2.0/AGP3.0 Controller
Input/Output Range 03C0 - 03DF used by:
VIA CPU to AGP2.0/AGP3.0 Controller
Memory Range 000A0000 - 000BFFFF used by:
VIA CPU to AGP2.0/AGP3.0 Controller

what's the problem and how can i fix it?
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#2
fleamailman

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probably the SP2 installation has knocked the vga driver off its perch

lets have a look at the drivers

runbox command
- press keyboard buttons: winkey + r
- paste this: devmgmt.msc
- click the icon of the monitor
- see if there a yellow blob on it
(means driver is missing, reinstall it)
- see if it is the right driver now
(if not and you know where that driver is, reinstall it)
to reinstall driver
- click yellow blob or wrong driver
- right hand click choose: uninstall
- right hand click choose: search for new material

hope this helps
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