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what is hard disk? hardisk is an internal storage device by which we can store the data and also get back the data when we needed. hardisk is like a grama phone. you can create a partition on it also. so here are some tips how to format your hard disk. 1) plug in your hardisk by a external cable and wait for while to install the drivers . and then just double click on my computer and right click on the drive letter which you want to format and then hit format. now you have a option there select ntfs and defail and you have one more option called perfome quick format . if you click on this the formating will done quickly . and then start. done. <br /> 2) right click on my computer goto manage goto disk management and there you can see the drive letter just right click on it and format it . you can also remove the partion or create partion from there. <br /> 3) insert the xp boot disk and follow the instrucktion and after that you will get an option to select drive . just click on it and hit format . you have two types of formating ( quick) and full. <br /> 4) insert the win98 boot disk or insert hiren's boot disk and then go to dos ( for hiren boot disk only) after you completly boot from cd rom then you have an A:\ drive . this is called RAM drive. just write the command FDISK and hit enter and then Y and hit enter and then 4 to display partion. you can create a new partion from here also. after making any kind of changes you have to restart the pc . after restarting A:\ will appear. write down the command FORMAT C:\ and hit enter and Y thats it. <br /> there are many ways to format your drives. there are lots software also available in the market to format it. but the best way is 4) because it do the slow formating and also recover the allocation unit.