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Windows Server Forum / Windows NT / Setup / January 2005NT doesn't detect proper video chip on laptop
Can someone help? I've tried everything I can think of, to no avail. My wife has a laptop with NT on it. I had to reinstall NT after a 3rd party USB add-on failed and messed up the OS. (it took away the no keyboard and mouse!) When I reinstalled NT, NT decided to use the default video driver, even though the correct driver was still on the disk. No matter what I tried, NT refuses to 1) use the driver I specify, and 2) find the driver itself. What registry setting can I set to force NT to use the driver I specify AND keep NT from looking for a different driver each time NT boots? FYI: the computer is a 'Lapnote' from the Laptop superstore. It's a P5-150. The video chip is a Trident Cyber 9385 / TGUI9660 Any advice would be greatly appreciated. Chuck >Can someone help? I've tried everything I can think of, to no avail. > [quoted text clipped - 16 lines] > >Chuck NT will not "detect" the video adaptor by itself. You must direct it to the driver. Open the Display applet in Control Panel, and install the driver manually. I've already done that. The selected doesn't load. The computer reboots then NT selects the wrong driver. It is as though NT can't figure what chipset the video is composed of, and grabs the default vga driver at boot time. Using the 'last known good configuration' doesn't work either. I need to tell NT to use a specific driver, and not to look for any other. > >Can someone help? I've tried everything I can think of, to no avail. > > [quoted text clipped - 20 lines] > direct it to the driver. Open the Display applet in Control Panel, > and install the driver manually. Hi Chuck, What Service Pack level is the NT 4.0 installation at ? MANY video chip drivers require SP3 (in some cases as high as SP6) before they will function. What you are describing is the symptoms of this type of situation - although the correct driver for the specific video chip have been installed, NT4 refuses to use it and defaults to the 'vanilla' VGA driver :-( Hope this info helps. Calvin. This is the exact same problem I've got on one of my laptops at the moment. I had NT4 SP4, and upgraded to SP6; which was fine. Installed the additional updates (Q29944i) and NT kept reverting back to the VGA mode, even after I'd reselected and even reinstalled the correct video drivers. Tried reinstalling a different video driver, and NT then refused to even boot up. I've just repaired the NT installation from an NT CD; i'm going to reinstall the correct drivers and then try the update to SP6 again (without the additional updates this time). Hurrah! This worked fine.... >I've just repaired the NT installation from an NT CD; i'm going to reinstall >the correct drivers and then try the update to SP6 again (without the >additional updates this time). ... after using the NT CD to repair the installation of the OS, it stayed in VGA mode. I re-installed SP6, and after restarting, it magically came back using the proper drivers (even without me having to re-install them again as I thought I would have to). I've not attemtped to install the additional updates - I don't fancy pushing my luck *just* yet! :0) Hi Jack, So let me get this straight - It was working with a chip specific video driver - then you applied hotfixes and it fell back to VGA ? If this is the case, I would be looking at what exactly has been changed on the system that cause the video driver to fail. Anyway, I'll await a reply from you, and then see where it leads us :-) Cslvin. Hi Calvin, Yes, that's pretty much it - originally, with SP4 everything was fine. After updating to SP6 it was still ok, but after the hotfixes it stopped working and reverted to VGA. I tried a few different drivers for the card, but no luck. After a repair of the NT installation using the NT CD, the VGA drivers were still being used. I then applied the SP6 update and after the restart the computer was using the manufacturer's drivers, without me having to re-install them or do anything. I've not attempted to re-apply the hotfixes yet, although I might do to try and confirm whether it was these that caused the problem in the first place... (Machine is a Dell CPx H500GT laptop; with an ATi Rage Mobility M1 gfx chip) -Jack > Hi Jack, > [quoted text clipped - 7 lines] > > Cslvin. Hi Jack, Interesting - i can't say I've ever heard of anyone having the problem you are suggesting, but I suppose it had to happen to somebody eventually :-( Might I suggest that when you get around to rolling out all of the Post SP6a SRP and the LONG list of hotfixes, you might want to employ a tool like FileImg from the NT4 resource kit, so you can keep a close eye on what files are being replaced on your system at each step - it may help narrow down what is going on here..... Calvin. > Hi Jack, > [quoted text clipped - 3 lines] > If this is the case, I would be looking at what exactly has been changed on the > system that cause the video driver to fail. [...] Maybe there is a 3rd-party software like pcAnywhere installed? This or any other software that a) has to handle with the system policies b) tries to hook into the video driver might cause these troubles after installing SP/RSP/HOTFIX-(e)s!? Stephan Good point Stephan ! I hadn't considered 'Remote Access / Control' apps (like PCAnywhere) but they too would be candidates for causing the effects that Jack is describing. Calvin. Hmm... I hadn't thought of that either. I've had a look on the laptop and there's no remote access software installed that I can see (Its an MOD owned laptop so even if there was any remote access utilities it'd be a breach of our security regulations!), so I don't think thats an issue. -Jack |
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