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Processor trouble?

I just aquired a Compaq Presario X6000, formatted & re-installed XP-Home and just a few utilities. Nothing else yet. It's processor is a Pentium 4, 3.0HGz, with H/T. When looking at "Performance" in Task Manager, it shows two CPU usage graphics, just like a dual-core processor - but it's not dual core. Why? Is it the H/T?
Second question; Device Manager, under Processors, also lists two "Intel Pentium 4 CPU 3.00GHz". But what is disturbing here is that just today, they have those yellow exclamation marks. "Properties" says "Windows cannot load the device driver for this hardware. The driver may be currupt or missing". Everything is running fine, so I'd say the drivers are indeed working, no?. "Troubleshooting" suggests un-installing & re-installing the driver". No thanks, I don't think so! What happens when you disable your processor? Any clue as to what is going on?

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1. Yes. HT does that.

In reply to: Processor trouble?

http://www.google.com/search?hl=en&source=hp&q=hyper+threading is more than we need to know.

2. The second item is about drivers. Microsoft does not supply or find those for you. YOU do that. It's not intuitive, and if this is your first driver hunt here's the routine. Find the make, model of the device you need and get it from that maker. Could not be simpler than that.
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Missing driver

In reply to: 1. Yes. HT does that.

I've done my share of searching for drivers. But I swear they were they weren't missing the other day! I just assumed if the driver was actually missing, it wouldn't be working right, or running. So I should head to HP or Intel?

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In reply to: Missing driver

I've found people that think that. This is not an offer to go into long details about how windows deals with missing drivers or what might happen.

But you say it was fine the other day. Now the fix is simple. Use XP's SYSTEM RESTORE to when it worked.

And in closing, this damage is typical from malware and registry cleaners.

http://www.intel.com/support/processors/pentium4/sb/CS-017371.htm has Intel telling you more but this issue is not unknown to me. I usually find the cause to be the owner tinkering with the BIOS or cleaning the registry.

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Got it back

In reply to: Yes.

After going around in circles at Intel, I went the System Restore route, and I think I figured out what I did wrong. After re-installing XP, I continued downloading and updating drivers. Something went screwy, so I did a System Restore. Everything seemed fine then, but apparently the Chipset Driver went with it. It must have been like that longer than I thought.
Next, I may be headed to the Networking category if I can't figure out why neither ethernet outlet nor wireless connection works. I get by using a Card Bus card for ethernet.
Bob, thanks for your direction - as usual.

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