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Dos wont recognise my cdrom letter

Trish's Escape from Hardware Hell Help Board » Hardware » CD, CDR, CDRW and DVD Related » Dos wont recognise my cdrom letter « Previous Next »

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Posted on Saturday, July 8, 2000 - 10:10 am:   

Im trying to install & play 'Ceasar 2'. Got win98, not sure what version. The game runs in dos, but dos comes back with 'invalid drive letter'. The game needs to reference the cdrom to work. Any wizz ideas out there? I've got a primary master, primary slave, secondary master (the cdrom) and secondary slave, all autoconfigured in the bios. Help!
Posted on Monday, July 10, 2000 - 3:53 pm:   

The simplest way to fix this is to run the game from Windows via a DOS window. Simply open up a dos prompt from the start menu and run the executable from the game's directory.

This may work, and it may not. If it doesn't, try creating a shortcut to the executable on your desktop, and then right click on the icon, click on properties, program and advanced, and check the box that says "prevent DOS programs from detecting windows". This is also a hit or miss proposition.

The most difficult and least desirable option is to boot to dos and use the manufacturer's DOS/Win3.1 driver disk and load the cd-rom drivers from autoexec.bat and config.sys. This will also mean that you'll have to boot to dos to play the game, and possibly load mouse and sound drivers as well. In addition, you'll be loading unnecessary and memory hogging drivers before windows starts. If you really want to get advanced, there is a file in the windows folder (or you can create it using a text editor like notepad) called dosstart.bat . This file will act exactly like autoexec.bat but will only execute when you do a "restart in dos mode" from the start menu. This allows you to control when most of those pesky device drivers get loaded, instead of simply loading them every time you start the computer. Hope this gives you some ideas...
Danny Albers (Danny)
Posted on Tuesday, July 11, 2000 - 6:03 am:   

Make sure in your Autoexec.bat file there isnt a

rem - by windows9x - infront of the mscdex

if there is delete everything on that line before mscdex

I have run this game myself, and this is the only thing I had to do
Posted on Tuesday, July 11, 2000 - 7:27 pm:   

Oh yeah, try that too. Doh!

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