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compaq presario cdrom

The original cd drive in my Presario 7222 no longer will read cds.  The owners manal I got is on a cd so my info is limited.  How hard would it be to replace the original cd with a newer one?  Where can I find some detailed info before attempting since Compaq claims they never test third party stuff in their products.  I have replaced the modem and added memory before which is about my experience to date working inside the machine.  Thanks for any advice or direction.
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mreejr03
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mreejr03
1 Solution
 
bparnesCommented:
Replacing a CD-ROM drive is about as easy a replacement task as there is. If the problem is not being able to read a CD (vs. not spinning, etc.) then before you go replacing the drive, you should give it a cleaning using a CD drive cleaner that's on sale in virtually every audio store or department. that may be all it needs to start reading disks again.

To replace, get a new drive. Anything you do buy will be of at least the quality of what Compaq originally provided, so don't worry about that.

Turn off the computer and open the case. Note how the drive is mounted and the cables attached. There are probably three cables attached to the drive: power, data, and audio.  The power and audio can only be oriented one way. Note the orientation of the data cable (the red stripe along one edge). Also note whether the hard drive is attached to this cable as well, or if the hard drive has its own data cable (both are very common).

Remove the three cables from the CD-ROM drive -- leave the other ends attached. Now remove the drive by unscrewing usually 4 mounting screws - 2 on each side. Slide the old drive out.

Before you put the new drive in you have to jumper it either as a master or slave. Look for the jumper settings in the documentation or on the drive itself. Jumper it as a slave if the old drive cable also connected to the hard drive. Jumper it as a master if the old cable had the CD-ROM all to itself.

Now slide the new drive back into the bay, connect the three cables making sure the data cable is properly oriented (usually the red edge is closest to the power cable). Remount it with the 4 screws, and you're done except for closing up the box.

Don't worry about compatibility or installing drivers, unless you need them for some special DOS based applications. Windows usually has no problem dealing with a CD-ROM drive directly after it is physically installed into the comptuer. Best of luck.
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deafnuglyCommented:
Installing a CD-Rom is harder than installing memory, but easier then installing a modem.

Assuming that you are running Windows 95, 98:

Open up your box, unscrew the CD and unplug it, it will either have two or three cords on the back. The long flat one is an IDE cable, the one with 4 colored (red, Black, Yellow..) cords in it is the power and the smallest one (will not be on all CDs, so don't worry if you don't have it) is a cable that hooks in directly into your sound card.

Before we plug the CD in we need to set one jumper on the back of it. In computers you have two IDE cables, one is called the primary, the other the secondary, we really don't need to worry about this. On Each IDE cable we can have two devices, one a master, the other a slave, We need to worry about this.

All we need to do is make sure that if the CD-ROM is on the same IDE cable as the hard drive, that they are not both set up to be a Master or Slave. If you have only one hard drive in your computer you should be able to set up the CD-ROM as a slave (note, this is usually not the default jumper setting) and it will work no matter what. If you follow the cable that was attached to the CD-ROM and it goes into the motherboard and is not attached to any other devices, you can set the CD-ROM to master (usually the default factory setting) and it'll work.

Most IDE cables are made so that they can only go in the right way, but there are a few that can go in upsidedown or rightside up. If your cable appears to be like this, you just need to make sure that Pin 1 on the cable matches up with Pin 1 on the CD-ROM. Pin 1 on the cable is the side of the cable that is red, or has red hashes. On the back of the CD-Rom you should see a number 1 on one of the sides of where you plug the cable into, a number 40 on the opposite side.

Now all you need to do is plug the power in and that other sound cable thingy, if you have it. Both of these can only be plugged in one way.

Next we need to hook the computer back up and see if it recogizes the CD-Rom. depending on your bios, you should see somewhere on the boot up screen, right after the 'memory couting thingy' that it sees the CD-Rom. It will be right after the place where it says the model of hard drive you have. This info can go by quick, so watch for it.

Windows should be able to recogize the CD-ROM right away, but sometimes it doesn't with the cheap ones, if that's they case you'll just need to install it with the driver disk that (hopefully) came with the CD-ROM - windows will probably ask for it if it needs it.

BTW Compaq, and other manufactures don't like users adding thrid party stuff in becasue, well, it's not their stuff and they lose money. Any brand name CD-ROM will work fine in your machine, probably even better than the one that Compaq put in. Mitsumi, Panasonic, Sony drives will all be fine - these usally are sold under a different brand name in the store, but any well-known name should be fine.

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