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Trish's Escape from Hardware Hell Help Board » Hardware » CD, CDR, CDRW and DVD Related » NO AUTO DETECT ON BIOS TO CDROM « Previous Next »

Author Message
Rob (Robwalk)
Posted on Sunday, April 22, 2001 - 10:20 pm:   

I have an old Pentium 90 with Award Bios V4.50pg.
The bios cant detect my CDROM. It has no problem detecting the HDD. The only options for detec tion are user, none or the hard drive sizes from 1 to 46. Like other bios's there is no auto or the option to select CDROM. I dont know if it is related but windows doesn't detect my mouse even though it is connected properly.
Thanks in advance to anyone who can help,
Posted on Friday, April 27, 2001 - 2:38 pm:   

The older bioses didn't detect cd-roms. It isn't necessary anyway, unless you need to boot from a CD. Windows will detect it and install the necessary drivers.

As for the mouse, there are several possibilities. Is it a serial mouse? Or PS/2?

If it's a serial mouse, then you may have the connector reversed on the motherboard. Or, the serial port (usually Com1) may be disabled in the bios setup. Or, there may be another device (modem, network card, etc.)contending for the IRQ that Com1 uses (usually IRQ4). Or, you may have a dead mouse.

I'd try the mouse in another machine first to make sure it's functional. Then try removing all the PCI and ISA cards from the system except the video card and reboot. If that doesn't work, shut down and try reversing the serial cable where it attaches to the motherbaord (it won't hurt anything to attach it backwards).

You may also have a dead com port, or a bad ribbon cable. Try switching the cable to the other COM port on your motherboard; don't forget to make note of the orientation of the COM cable before you replace it with the other one.
michael ruiz
Posted on Saturday, April 28, 2001 - 8:40 am:   

Similar trouble as above; machine will detect CD-ROM but will not detect it as a writter. can play from it but cannot write to it. Any suggestions helpful.
Posted on Sunday, April 29, 2001 - 11:38 am:   

Again, the computer's bios doesn't really care whether the cd-rom is a writer or not. And it won't have any effect either way on whether you can burn a cd-rom.

Is the bios detecting the correct model #? And does your cd-authoring software (i.e., EZCD Creator or Nero) detect that a writer is present? If not, you most likely have a problem with the burner itself. You could check to see if there is a firmware update or patch at the manufacturers' site. If it's less than a year old, it's more than likely under warranty. Talk to tech support about a return.

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