I tried doing a "format and recovery" on my pc. A hp pavilion 6470z running Win98. I think I made a mistake by deleting the partitions but im not sure. After deleting the partitions I continued the format and recovery process but there was an error in the process and now this is what happens. When I boot up the computer I get a message stating "Invalid system disk, Replace the disk, then press any key". I tried running the recovery disks again. I placed the cd (1 of 2) into the drive and rebooted the computer. The HP Recovery Welcome screen appeared and then I pressed any key to continue. I read the warning and pressed ok. Clicked on recover. Then clicked on format and recover. Clicked yes. The following then appeard. Preparing Hard disk. Warning, all data on non-removable disk Drive C: will be lost. Proceed with format y/n?y. Checking existing disk format. verifying 2,045m. Format complete. It then continued inflating & extracting many files. After a while of this I was then sent to a new screen which read *** Warning*** in red near the top middle of the screen. And in a smaller screen was the following message. Warning! There were errors recovering some files. The recovery cd may be damaged or your cd drive could be malfunctioning. Remove the cd and press ok to reboot your machine. I did and the same message appeared as before "Invalid system disk, Replace the disk, then press any key". I found something on the HP website giving instructions on what to do when you recieve a message stating "invalid system disk". I followed the instructions which were to load the recoverey cd, press any key at the welcome screen to continue, click ok on the next welcome screen, on the recovery options screen click advanced options, click the DOS Shell option, at the A:/>, type SYS A: C:, press enter, a message saying "system transferred" appeared, type EXIT at the A:/>, press enter to return to the recovery options, click exit, remove the cd and click ok when prompted. The pc rebooted after pressing ok. Now when I boot up my computer all that comes up is a blinking underscore in the top left corner. Can someone please help?