Even if your hard drive is bad, if your mobo is working OK you should be able to change the boot order and boot from a floppy. I think the problem is much more serious in that your mobo has failed. You might want to spend a few bucks to have it tested. Dianne <[log in to unmask]> wrote: >Hmmm, >I am getting very frustrated, and don't quite know what to do next. I >removed all the connectors, the cd, hard drive and floppy and dvd. The >computer gave me the message that I should "insert the boot diskette into >a:" So I reconnected the a: drive, and put the boot disk in, back to same >old Invalid system disk message. So I got another a drive from another >computer and got the same message. The lights were on on both the a: >drives, by the way. >I cant get into safe mode because the computer will not take me to an A: >prompt. >I then disconnected the HD and connected it into an old computer. Nothing >happens, not even an error message. BUT.....I am not sure about the mother >board in the machine I tested it in. The HD is a Samsung SpinPoint SV0484H. >I am afraid of trying the hard drive in my own computer, as I don't want to >mess around with it, it has all my work in it. Any suggestions. Would I be >better to take it in and have it diagnosed somewhere? >Dianne __________________________________________________________________ Switch to Netscape Internet Service. As low as $9.95 a month -- Sign up today at http://isp.netscape.com/register Netscape. Just the Net You Need. New! Netscape Toolbar for Internet Explorer Search from anywhere on the Web and block those annoying pop-ups. Download now at http://channels.netscape.com/ns/search/install.jsp Do you want to signoff PCBUILD or just change to Digest mode - visit our web site: http://freepctech.com/pcbuild.shtml