PC wont boot from DVD-r

April 13, 2011 at 12:57:40
Specs: Windows 7, AMD Athlon 64 x2 6000+ 3GB DDR2
the PC booted from it twice but to my avail i was using a usb keyboard and mouse. after rectifying that problem, rebooted and now the DVD drive has dissapered from the POST of the bios, the drive is visible and works perfectly inside windows XP. i have checked to make sure all cables etc are in place. just to clarrify the disk im trying to use is a official windows 7 ultimate DVD
any help would be appreciated thanks :D
Tom

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#1
April 13, 2011 at 13:34:37
You may need to enter the BIOS screens and change the boot order to set the CD drive before the hard drive.

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#2
April 13, 2011 at 16:49:10
BIOS boot order is set to CD ROM , HDD

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#3
April 13, 2011 at 17:54:21
You may need to hit any key when prompted to, in order to boot from the DVD.

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#4
April 13, 2011 at 18:26:22
theres no prompt to strike any key to boot it wont show up in the bios. ive tried setting it as the only ide device in the system. it throws a fit and says primary HDD failure. set it as a aslave and the HDD as master still no joy. and yet no matter how it is configured it is still visible and working inside windows

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#5
April 13, 2011 at 21:22:29
"but to my avail i was using a usb keyboard and mouse. after rectifying that problem, rebooted and now the DVD drive has dissapered from the POST of the bios, the drive is visible and works perfectly inside windows XP"

Can you better explain the above statement. I don't understand what the problem was or how you rectified it. Did you make changes in the BIOS? Change jumpers, cables, etc?


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#6
April 14, 2011 at 00:57:14
The keyboard was not working untill windows XP loaded. Saw a option for usb keyboards where either the OS or the BIOS decided what to do with it it so i changed it to the BIOS and got that working so that i could get a keyboard from POST
Thanks Tom

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#7
April 14, 2011 at 04:39:15
How did you get into the BIOS if the USB keyboard wasn't working because the enable legacy USB devices wasn't set?

I am trying to determine if you made any changes in the BIOS that could account for the optical drive not functioning in the BIOS.

You indicate you did some reconfiguring of your IDE drives. Here is how they must work. If two devices are connected to the same cable then one must be jumpered as the master and one as the slave. Conversely if using an 80 wire cable you can set BOTH to CS (cable select). When using the Master/slave settings the Master can be connected to EITHER of the connectors on the drive end of the cable. When using CS, the drive on the end will be the master.

You should be using an 80 wire/ 40 pin cable. These can be identified by the colored connectors. The MB end is usually blue. The center drive connector is gray and the end drive connector is black.

Turning a cable end for end will cause problems.


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#8
April 14, 2011 at 05:40:40
the keyboard will work for the initial post enableing for repeted spamming of the del key. but after that and it proceeds to boot from the DVD (which it did twice) before changing the setting for the legacy. thus not being able to actually perform the setup. but now that i have fully functioning keyboard and mouse. i cant even get the system to recongnise the optical drive. ( i should point out that the system knows its there IE it spins up and starts to read before displaying, the POST.

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#9
April 14, 2011 at 11:11:35
Still confused. If you could enter the BIOS with the keyboard initially, then it had to be set to enable legacy USB devices.

If you have a DVDR (copy) that was burned wrong the optical drive may seek to read the disk if the drive is set before the hard drive. Have you ever actually successfully booted from that Windows 7 disk?

"and it proceeds to boot from the DVD" That statement is confusing. If the computer was booting to the Windows 7 disk then what was the initial problem that required any changes. Are you using the term booting loosely? Did you see a Windows 7 splash screen or more?

Any disk, including a blank will cause the optical drive to attempt to boot from the disk in the drive. If the correct files are not on the disk then the optical drive will be passed over.

We are going in circles here. Let me recap. You are trying to install Windows 7 from a DVDR (copy) Is this a full version or a restore disk? What is the model of your computer?

Are you using an EXTERNAL optical drive?


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#10
April 14, 2011 at 15:43:47
the install disk is a official shop bought disk, the disk booted twice going to setup ( instalation language etc). the only problem is the keyboard nor mouse would not work once the setup was running from the DVD. hence why i changed the settings for USB legacy so that it would work. the model of the PC is one that i have built my self (years ago) it uses a ASUS Mobo, Pentium 3 processor, 512MB RAM. Ive tried replacing the optical drive with one that i know to work. still no joy.

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#11
April 14, 2011 at 20:00:22
This is your header "PC wont boot from DVD-r". That is where I got the idea you were using a copy.

I explained about the jumpers and cables. Dis you check to verify they are configured as I described? Describe how you have ALL your drives setup.

Forget about the fact that you assume things are connected right. Check it.



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#12
April 15, 2011 at 13:23:21
i have two IDE cables 1 (on the faster slot) contains the HDD set to master, the other cable is connected to the DVD drive (set as cable select) have tried it as master, slave, and CS. still no joys. also tried both HDD and the optical drive on the same cable exactly as you suggested even turned the cable to check if that was it. nothing

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#13
April 15, 2011 at 15:00:09
Verify the second IDE controller is enabled in the BIOS.

CS doesn't work with 40 wire cables. You need an 80 wire cable for it to work. You can tell an 80 wire by the colored connectors on the cable. Usually blue end goes to the board. Center is gray and the drive end is black.

Don't turn cables end for end. Try connecting the DVD drive as a slave on the same cable as the hard drive. If the hard drive is jumpered as master alone (western digital) then change to Master.


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#14
April 16, 2011 at 12:03:16
done no joys :(

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#15
April 16, 2011 at 12:46:39
So you tried connecting the DVD drive to the same cable as the hard drive and jumper it as suggested above?

How are you determining the DVD drive is not appearing in the BIOS?


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