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Re: Dell DIM. 3000 PC very slow & freezes up at times.
There are several reasons for a slow computer:
Too many program running
If your computer used to run fine, then it could be that there is too much running now for it to handle, in which case either a cleanup or upgrade (or both) is in order. Based on the specs from the CNET website, the Dimension 3000 comes with a Celeron D 2.4 GHz processor and 256MB of RAM (Memory).
If this is the case, then your memory needs to be upgraded at the very minimum. Anything less than 1 GB (1024 MB) just doesn't cut it anymore.
I would also HIGHLY suggest looking at the programs you have running in the system tray (bottom right corner of the screen) to see how many programs you have running, you might check to see if all of those are necessary.
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I believe you had too many files on your computer. I advise to run deframenting your computer every week to speed up your computer and also run scan disk for error to fix some problems. Just go to program files>accessories>system tools>disk defragment. If still slow I advise to reinstall your operating system or ever upgrading it to windows 7 or vista.
try running one more virus software program called Malwarebytes. http://download.cnet.com/Malwarebytes-Anti-Malware/3000-8022_4-10804572.html
After you install it, make sure to check for updates each time before you run a scan. RUN A FULL SYSTEM SCAN.
When you are finished with, that run a CHECKDISK. Do this by clicking: START/RUN & type: chkdsk /F /R exactly like I have it here, into the box and press Enter. Choose Y and restart
Purchase the full version and then there is an update option in the application itself. It's one of the application tools.
That said, McAfee would not be my AV program of choice. AVG from Grisoft is free as is Windows Defender. then if you want a commercial pay product, F-Protect, Command AV, and Trend Micro all do a better job in a less evasive way. Meaning less system lag.
I suspect that the viruses had infected some of the files that windows needed to boot up. The moment you ran the Mcafee, the scanning might have deleted or quarantined those files. That is the reason you're having this Loading PBR message because it is now trying to boot from the network and not from the hard drive. You will need to repair windows using the CDs that came with the computer (the Operating system CD/DVD) and run CHKDSK /R at the screen where it says 'repair your computer using the command prompt". If this does not work, chances are, you may need to reinstall windows and everything and that all information in your hard drive will be wiped out.
McAfee virus software is a memory hog. You need to add more memory to your pc. It uses pc3200 memory. This computer has a memory capacity of 4gigabytes. The memory slots are numbered this way......starting from the memory slot closest to the processor> one, three, two, four. 1 and 2 work together, 3 and 4 work together. So if you buy just 2 gigabytes......put them in 1 and 2. This will help. Sounds like the virus software is doing a full system scan....you could do a "quick"scan and do a "full" scan once a week....
Hello, i have had this problem with my dell, and believe it or not, it is probably your mcafee. Your mcafee could be using most of your processor and your ram, i suggest to reinstall mcafee, look at some upgrades for ram (Random Acess Memory), or buy a new anti virus/anti spyware. Such as eset,norton,zone alarm, and many others.I hope that this helped you!