Posted on 2004-08-17
Medium Priority
Last Modified: 2008-01-16
I have a customer's computer which is COMPAQ PRESARIO 6000 Model 6024US. "From the ground up, the 6024US is built to impress. The unit is driven by a muscular 1.8 GHz Intel Pentium 4 processor with 32 KB of Level 1 pipeline burst cache, 256 KB of Level 2 pipeline burst cache and a 400 MHz system bus speed. Graphic processing is handled by a robust 64 MB nVidia GeForce2 MX200, and system memory is preconfigured at a massive 512 MB of 266 MHz DDR DRAM (expandable to 1 full gigabyte). Make no mistake--this is a seriously powerful machine for seriously demanding users" I copy and paste this information. But the problem is: initially the computer was running without antivirus protection, then we suspect an infection due to a very strange behavior, slow and slow. So , costumer used the Compaq restore disk. Now the machine is slower than before. I reinstalled myself WIN xp home edition from the compaq restore disk  and I notice that reinstallation took more than usually takes. Now, when I turned on it is so slow to go to windows desktop. When is already in desktop(after 2 1/2 minutes), the behavior still slow. I clicked ctrl-alt-del and I noticed that the CPU usage is 100%. even no other programs but winxp is installed. Please I need help to solve this problem. I tried to load windows in another 80GB HD. and still the same slow process. Please let me know what can be happening with this powerful machine. thank you
Question by:pentiumsale

Expert Comment

ID: 11826647
I would doubt that you actually cleaned off the hard drive. When you did the Compaq recovery did you tell it to do the 'safe' recovery, or the thourough one? If you use the 'safe' one then old data is left on the machine, including the virus that is doing this to you.

Since I imagine that the machine is so hosed at this point by the multiple installs of the OS that none of the programs work, so backup any documents that your client wants and do a TOTAL reinstall.

Delete the partitions that are on it, recreate them, do the non-quick format for NTFS and then load the operating system. There won't be anything on the disk after this, and therefore, no virus.

The other option is to make a Barts PE disk and include McAfee on it. You then boot from Barts and scan the hard drive.

Barts PE: http://www.nu2.nu/pebuilder/
McAfee SuperDAT: http://www.mcafeesecurity.com/us/downloads/updates/default.asp (You'll need the SuperDAT file to add the virus scanning to BartsPE)

Ah, one last option that I just thought of. Hook the clients machine's hard drive up to one of your systems that runs an OS capable of reading NTFS partitions. Hopefully you have an up-to-date virus scanner already installed, and scan the hard drive in question with that.
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Expert Comment

ID: 11827128
Out of curiosity did you check your memory sticks?


Author Comment

ID: 11836877
Like I mention in my question form, I tried with another brand new 80gb hard drive and still the same behavior, please advise me other option, I am going to check memeory sticks, I 'll let you know
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Expert Comment

ID: 11838392
Did you leave the original HD hooked up when you used the new 80gb hd? If so, it may still have been trying to boot from the original.

Author Comment

ID: 11846822
No, I unpluged the IDE cable from the original HD and pluged into the new one, and still having same problem(slow), cpu usage 100%

Author Comment

ID: 12127675
Hi: I was waiting for an answer and no comment was added. After trying different options , like replacing memory sticks, loading operating system in a new HD, etc..I went to the BIOS and , I got surprised that the CPU cache was disabled, so I enabled it and problem solved. I hope this answer will help to somebody with the same problem. Apparently somebody(maybe the owner) went into BIOS and accidentatly disabled it. Thanks

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