autorun boot cd - urgent help please!!

Hi, I am trying to update my BIOS version from A05 to A07 on my Dell Diemnsion 8300. I have followed the instructions to create  a bootable cd From the following Link:

http://www.bay-wolf.com/bootcd-bios.htm

I run the cd and boots into it on the screen. As per the instructions i am told to switch to the drive Z but i am stuck as to how to do this.

My screen shows the following:

A:\MSCDEX.EXE /D:mscd001 /L:Z

then

A:\>PROMPT $p$g
A:\>PATH A:\
A:\

how do i switch to the letter Z?

my PC wont recognise my hard disk so im trying to update the BIOS and eliminate all possibilities. I have even created my own autorun.inf file and burned it to a bootable CD sing Nero but it wont run on my PC, just hangs and asks me to strike F1 to continue or F2 to enter setup. when i select F1 nothing happens.

I have been working on this for ages and have not got anywhere, I really would appreciate someones help as i need to get this working asap.

thanks.

Try CD /d YOUR-DRIVE-HERE

Try CD /d YOUR-DRIVE-HERE

Don't know if that cd /d thing will work in MS-DOS. I rather think not. The standard MS-DOS way to change drives is to type the letter followed by a colon thus:

Z:

... and then use cd (no switches) to get to the actual directory.

This is one of those boot CDs that use a floppy image, so that when you burn the CD you create 2 parts - one which gets booted as a "fake floppy" with MSCDEX etc for CD support, this has the A: drive letter, and also another part which is the actual CD, which appears at the drive letter shown in the message, so in this case the OP has to switch from the A: prompt to the Z: prompt. By typing Z:
 

as salmon said, use

Z:

followed by the enter

as salmon said

Was that post really necessary?

[Moderator]

Who's feeding the Parrots again ? ?

[Moderator]

Who's feeding the Parrots again ? ?

I thought it was just me. "Yeah, do what he said" posts drive me up a wall.

I thought it was just me. "Yeah, do what he said" posts drive me up a wall.

They are a waste of bandwidth. Not to say that a post not just agreeing with a previous poster, but adding information or relevant experience, is a bad thing at all.

They are a waste of bandwidth. Not to say that a post not just agreeing with a previous poster, but adding information or relevant experience, is a bad thing at all.

I agree.

i was making that post for the purpose to tell him to

press enter after typing Z:

ONLY

If I spent some more time, I will get familiar with the seniors over here. and will stay here in that style which please my seniors

or if i can't do that, I will take no time to leave the forum.

But I think all over here are soooo much friendly.

at least I think so.

I thought it was just me. "Yeah, do what he said" posts drive me up a wall.

they're basically saying:
tl;dr Insert-crappy-version-of-information-already-posted-here

(tl;dr means too long; didn't read)