bios does not show cd drive to install OS

September 14, 2011 at 20:19:14
Specs: None yet, Pentium 4
I am Rebuilding an old dimension 2400. When i replaced a faulty hard drive I went to install the OS and to my surprise I am unable to boot from cd rom because the drive appears to be unkown in the bios the only drive recognized is the new hard drive and disk drive other drives are not recognized I tried to change configuration to auto and the bios reads drive unkown. The D: drive has also disappeared from the F12 boot choices. I have basically lost any control of where and what order to boot this machine in please help?

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#1
September 14, 2011 at 20:46:21
Maybe the cd rom needs replaced.

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#2
September 15, 2011 at 05:11:06
If it worked prior to your "rebuilding", you probably have the jumper set incorrectly on either the CD drive or the hard drive. Are they both IDE? If the HDD is a WDC, there are several possible jumper settings depending on the model & how the drives are configured.

http://www.wdc.com/en/library/eide/...


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#3
September 15, 2011 at 05:20:33
Agreed, the manufacturer typically uses the jumper settings 'cable select' which is fine when all drives are set that way and they have a clear plan for which cable connector goes to which drive. You SHOULD reset all drives as to how you are using them. You can have One master and One slave per cable. Your boot drive needs to be Master on one cable and the CD drive needs to be Master on the other cable. All other hard drives need to be Slave jumper settings. Most drives have a jumper chart on the label, for all others Google the brand name and the words "Jumper Settings" to see a chart.

You have to be a little bit crazy to keep you from going insane.


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