Abstract: A computer assembly comprising a computer housing and a plurality of separate outer casing members mountable in enveloping relationship with the housing; the plurality of outer casing members having an attached state in fixedly mounted relationship with the housing and a disengaged state in nontouching relationship with the housing; the plurality of outer casing members being toolessly switchable between the attached state and the disengaged state.

Abstract: A method of replacing a side panel member of a computer casing comprising positioning the computer with a bottom portion thereof exposed and pushing a push button on the bottom portion.

Abstract: A tower computer including a sheet metal housing having a plurality of separate bays housing a plurality of computer components, the plurality of separate bays including a first bay; and a power supply assembly readily removeably mounted in the first bay exclusive of any other of the plurality of computer components.

Abstract: A tower computer which includes a computer housing having a first bay with an access opening therein and a motherboard mounted in the bay opposite the access opening; a removable media drive mounted in the first bay which has a normal operating position in which access to at least a portion of the motherboard is blocked by the drive and a displaced position in which access is not blocked; the removable media drive being readily-displaceable between the normal operating position and the displaced position.

Abstract: A tower computer with a sheet metal housing which has a plurality of separate bays housing a plurality of computer components including a bay located at one vertical end of the sheet metal housing with a media drive assembly readily-removeably mounted therein exclusive of any other ones of the plurality of computer components.

Abstract: A tower computer including a motherboard enclosure electrically shieldingly and physically enclosing a motherboard assembly mounted on a fixed wall portion of the enclosure; a panel having an open state and a closed state provided on the enclosure for enabling access to the motherboard assembly; and a computer component mounted in the enclosure in spaced relationship from the motherboard assembly and having a normal operating position in which it is located between the panel and the motherboard assembly in access interfering relationship with said motherboard assembly and a displaced operating position in access non-interfering relationship with the motherboard assembly, said computer component being readily-displaceable between the normal operating position and the displaced position when the panel means is in the open state.