Unable to restore OS on Acer Apsire one D250

February 7, 2011 at 19:04:41
Specs: Windows XP
I had to replace the hdd due to a failure. I have a set of restore CDs from Acer. Since there is no internal CD drive I connected an external one. The drive is detected in the BIOS until I place the restore Cd in it. The drive is no longer showing in the Bios and will not stop spinning or reading. I checked the boot listing and it is not in the list. It is in the list until I place the CD in the drive. I tried 2 different known good Windows XP disks with the same results. The external drive works fine on several other computers. Any suggestions?

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February 7, 2011 at 19:18:05
The USB port you plug the external USB optical drive into must be able to supply the full USB spec 500ma.
If the USB cable you are using did not come with the external drive, it may not be adequate
Details about that, and more....
Troubleshooting USB device problems including for flash drives, external drives, memory cards.
See Response 1:

You usually CANNOT install XP (or 2000) from a USB connected optical drive anyway, even when you can set your bios to boot from a USB connected drive, because the initial files loaded from the CD cannot detect most if not all USB optical drive models. In that case, the CD is detected as bootable, you can boot from it, but all you see is a blue screen - nothing further happens.
If that's your case, there IS a method of installing XP when you can't load files from an XP disk in an optical drive, if you would like see to a Topic on this site about that.
See response 5, 6, and 7:

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February 7, 2011 at 20:17:25
Tried connecting the power cable of the external drive to a known good power source. Same results. If the drive is empty it is seen. Once you place the restore CD in the drive it stops working and being seen.

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February 7, 2011 at 21:13:10
There are two types of external USB optical drives
- larger ones that use desktop drives that require an external power adapter to be connected to the external case - that external adapter must be connected and must be working properly (it supplies 12v, at the very least to the optical drive itself).
- and smaller, slimmer ones similar to those used in laptops that do not require an external power adapter to be connected to the external case (the optical drive plus the external enclosure's circuits draws less current, needs only +5v) .

What I'm trying to get through to you is, for either type, the USB cable must be plugged into a USB port that can actually supply 500ma (at +5v, the USB port's voltage) - e.g. a port built into the laptop, not one in a hub connected to one laptop USB port, even if that hub has an external power supply, is a lot more likely to be able to supply that. (Some laptops / netbooks cannot actually supply 500ma from one of their built in ports - you must connect the external hard drive or external optical drive to TWO USB ports, or if it's the "slim" type of optical drive or a 2.5" external hard drive, into one USB port and plug an external +5v power adapter into the external enclosure). It's the motor inside the drive that requires the lion's share of that 500ma of current, so, when you insert a disk, the drive motor spins, and the drive draws a lot more current.

The first disk of a "Restore" or "Recovery" disk set for a brand name computer model that has XP on it is usually a slightly modified OEM XP CD. In that case, all the files and folders on the CD are the same as those with the same names on a regular OEM XP CD that has the same SP updates included, or no SP updates included, for the same version of XP, Home or Pro, except that the internal contents of some of the OEM.* files are different.
I've been told by one guy that when you boot an XP CD from an external USB optical drive, all you see is a blue screen, and I found several references on the web that booting an XP CD from an external USB optical drive doesn't work.
The other disk(s) in that type of "Restore" or "Recovery" disk set are NOT bootable, and the first disk in the set does NOT prompt you to insert the second disk, etc. In that case, the other disks usually have Drivers for the devices your model needs, and sometimes Applications (programs) that were included in the original brand name software installation too, that are not built into Windows

If your Restore" or "Recovery" disk set is the older type of set, a set of disks you must install as set in order, the first disk is the only one that is bootable, and the first disk in the set prompts you to insert the second disk, etc., then they should install fine from a USB connected optical drive.
If your computer has an XP MCE version on it, it's more likely your disk set is this type of set.

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