Processor Heading missing from Device Manager

December 17, 2009 at 18:39:26
Specs: Windows XP
Greetings all,

After a reformat and fresh install of Windows XP Home (or rather.. several reformats and fresh installs of XP Home) I've been quite unable to get the Device Manager tree to acknowledge that my computer is, in fact, equipped with a processor.

I'm using an Asus P5N-D mobo and an intel E8500 dual core processor, for the record.

The System Information tab acknowledges that the processor is there, and the system functions as it should for the most part. This is a gaming machine, and it's playing the same games on the same settings as it used to before the reformat. The issue is there is some minor screen tearing and whatnot now that I believe is associated with my inability to update the CPU's drivers...

I've attempted a handfull of fixes that I found googling for this issue which included the following:

Reformatting and installing with different PC types (standard, ACPI, MPS, etc.)

Downloading the CPU drivers themselves and running the .exe (Received an error message saying something to the effect of 'your software is insufficient for install'. Can't remember the exact wordage.)

Flashing the BIOS with the newest version

Swearing loudly at the monitor (Fist shaking, threat making, pleading, the whole lot)

and I've got a couple of friends who are far more tech savvy than I am scratching their heads and consoling me on my poor luck with technoglogy. If anybody can think of another trick that I haven't tried yet, or if I can provide some more detailed information that might be useful - I'd be very eager to hear it.

Thanks for your time

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December 17, 2009 at 18:50:08
When you refer to CPU drivers are you really talking about Motherboard Chipset drivers?

When you flashed to newest bios did you simply leave settings at default or did you go into the settings to make sure everything is as it should be for your particular setup?

Have you run memtest86 to check whether you have a ram problem?

Does your motherboard have onboard graphics or are you running an AGP/PCIe card? Make/Model?

Have you overclocked anything at any time?

Goin' Fishin' (Some day)

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December 17, 2009 at 20:23:12
Cheers for the response mate, much appreciate it.

I'm gonna show my inexperience with this one, regarding the CPU drivers I gave it another look and No, it wasn't anything for the mobo, it was an update from intel's site directly. They don't have anything for the E8500 directly, but on one file the E8500 was on the huge list of compatible chips. Go figure. It's quite likely it's not even meant to be used. I found the intel driver support site to be very circular. It redirects you from the e8500 page, to a general download page, to a choose your driver page, and back to the first again. Either it's poorly designed or I'm a total idiot.

When I flashed the BIOS I did sweep through the settings and give everything a cursory once-over. I'm really inexperienced with manipulating the BIOS to do anything more than change boot order - so it's quite likely there was a problem staring me in the face that I didn't notice. It looked alright from a novice's eye and I didn't change anything from default.

Memtest86 has been running for 35 min now and is 20% complete. No issues so far, I will respond to this post if it fails for any reason.

I'm running an Nvidia GeForce 9600GT, and no part of the system has ever been overlocked. Again, thank you much and let me know if there's anything else I can provide that may be useful.

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December 17, 2009 at 21:22:11
I would disregard drivers direct from Intel as they may not be suitable for the motherboard you have. What you should be looking to install are motherboard chipset drivers. Those will not be contained in XP install disk but you should be able to find them at the board maker's website. Your instability issues might abate once you have the latest chipset drivers installed.

Goin' Fishin' (Some day)

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December 17, 2009 at 22:07:03
When you're right, you're right. Chipset and audio drivers seem to have put it back on course. The processor still doesn't show in the Device Manager - but it plays fairly well. Still some screen tearing that didn't used to exist, but after this headache I think I'm willing to live with it.

Thank you kindly, Sir

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