Hi Susie, if the outside tech decides to reformat the hard drive and reinstall everything. It would be a good idea to partition the hard drive at the same time. My understanding is you can have up to four partitions on the hard drive. When I was running windows ME on a 6 gigabyte hard drive, my best configuration was having three partitions. One large one for the system and all the software, then one each for the swap file, and for IE's cache. I also used Cacheman to adjust some of windows ME settings. This was my rock solid system! The smaller the partition the faster scandisk and defrag can work, less hard disk clusters to check. There are programs that can repartition your hard drive with out reinstalling all the programs. One is partitionmaster.
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