need help in installing DOS & XP

Compaq pressario / Cq40
March 15, 2009 at 14:07:51
Specs: Windows XP
i want to install free dos in compaq pressario
CQ40 notebook as only DOS come with the
model which i deleted mistakenly, actually i
was installing Win XP on this machine but
some blue screen error arrives for hardisk
check so i thought i need to format C than i
give the command, now it is not instlling XP
from bootable CD. Anyone can told me what's
the problem, one more thing its a new
machine came with free dos and i was trying
to install OS. if possible please mailme the
answer at my email id:

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March 15, 2009 at 16:06:18
There are many CQ40 series models - what is after CQ40 in the model number? It might be on a label on the laptop.

If you don't know, or can't find that, go to the HP web site and determine that.

Apparently one model in this series has a 2ghz cpu.
This model may have had Dos on it when you got it, but it certainly didn't originally come with that when it was new.

"some blue screen error arrives for hardisk
check so i thought i need to format C"

Data errors on the drive can be fixed but if the hard drive is defective formatting it will not fix the problem.

You do NOT install Dos or Windows from the hard drive . You must boot from the Dos CD or Dos floppy disks or from the Windows CD.

"now it is not instlling XP from bootable CD"

Were you instaling Dos or XP from the CD previously?

If you weren't, the CDdrive must be before the hard drive in the boot order in the bios Setup, or you must press a specific key to select booting from a CD drive.

If you don't have the manual for the computer, download it from the HP site!

The hard drive must be working properly,
the ram must be working properly,
the CD drive must be working properly,
and the CD drive must be able to read the CD properly BEFORE you install Dos, or run Windows Setup.

Check your hard drive with the manufacturer's diagnostics.
See the latter part of response 1 in this:

(thanks to Dan Penny for this link:)
Hard Drive Diagnostics Tools and Utilities

If you don't have a floppy drive, you can get a CD image diagnostic utility from most hard drive manufacturer's web sites, but obviously you would need to make a burned CD, preferably a CD-R for best compatibilty, on another computer if you need to.

If the hard drive itself tests okay, any data problems found can be fixed, one way or another.

See response 2 in this - try cleaning the contacts on the ram modules, and making sure the modules are properly seated:

For a laptop, you must remove both its main battery and AC adapter before you do that.

See the manual if you need more info about that.

The CD must be clean.
A CD-R or DVD-R disk will read fine, but a CD-RW or DVD-RW or other type of disk may not read properly in a CD drive it was not made in.
Use a laser lens cleaning CD in the CD drive, or if the laser lens is obvious when the drive tray is ejected, wipe it off with a cloth or a tissue.

If you haven't used Dos before, and/or if you aren't very familiar with how to use it, and especially if no one you know can help you with it, then I recommend you don't install it. It's steep learning curve to learn how to use it if you haven't used it or haven't used it much before.

In that case just install XP. I recommend you make at least two partitions, install Windows on the first one.
You install Dos first. Make at least two partitions, format the first partition if that's a separate step, install Dos in the first first one, it doesn't normally need to be any larger than 500 mb or so. Use FAT or FAT16 partitioning for that one if it's only that size or smaller - use FAT32 if it's larger, if you can select that .
XP will install partitioning (and format it) on the other partition(s) - the only one Setup is concerned with is the one Windows is installed on - any othersyou can partition and format after Setup is finished,
Install XP on other than the first partition. Use FAT32 or NTFS partitioning for that one. If the partition is larger than 32gb XP won't allow you to use FAT32 - if you want to use FAT32, you must use something else to make it FAT32, such as a free hard drive prepartion program you get from the harddrive manufacturer'sweb sute, then you run XP Setup and DO NOT delete the FAT32 partition at the beginning of Setup.
After Setup is finished because ofsupport built into XP you will be able to boot either Dos or XP every time you boot.

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