It’s one of those software design decisions that makes you scratch your head and wonder, “What were they thinking?”
The “it” in this case is XP’s most powerful rebuild/repair option, and yet Microsoft chose to hide it behind seeming dead ends, red herrings, and a recycled interface that makes it hard to find and (at first) somewhat confusing to use.
But it’s worth exploring because this option lets you completely and nondestructively rebuild, repair, or refresh an existing XP installation while leaving already-installed software alone (no reinstallation needed!). It also leaves user accounts, names, and passwords untouched and takes only a fraction of the time a full, from-scratch reinstall does. And unlike a traditional full reinstall, this option doesn’t leave you with two copies of XP on your hard drive. Instead, you end up with just the original installation, but repaired, refreshed, and ready to go.
When the Recovery Console techniques doesn’t work, and you’re faced with the prospect of a total reformat/reinstall, stop! Try the no-reformat reinstall technique we’re about to illustrate, and you just may get your XP setup running again in a fraction of the time and with a fraction of the hassle of a grand mal wipe-and-restore.
The First Fork In The Road
The no-reformat reinstall operation starts with a normal boot from an XP setup CD. Ideally, to save time, use a setup CD that’s been “slipstreamed” to include the SP1 and SP2 patches and upgrades. (Need info on slipstreaming? See “How To Save An Hour (Or More) On XP Installs” and also this third-party site.
Start your PC with the setup CD in a drive, and hit a key when you see the following screen:
Screen One:
Boot from your XP setup CD to gain access to the no-reformat reinstall option.
If instead of booting to the CD your PC boots from the hard drive, you may need to modify your PC’s “boot order.” It’s easy and only takes a minute to make the change so that the PC will check for a bootable CD before trying to boot from the hard drive. See this for more information.
Once your PC starts to boot from the CD, you’ll see something like what’s shown in Screen 2:
Screen Two:
Let the CD boot proceed normally and automatically through “Setup is inspecting your computer’s hardware…” to the “Windows Setup” screen.
After a minute or two, you’ll see the “Windows Setup/Setup is starting Windows” screen, shown in Screen Three. Don’t be alarmed: It’s still just the setup process running, and nothing’s been changed on your PC yet.
Screen Three:
The “Starting Windows” screen is a bit of an overstatement; it’s just the setup process getting going.
Windows, as we normally think of it, isn’t running yet, and no changes have been made to your PC.
Soon after Screen Three, you’ll be presented with the normal “Welcome to Setup” screen, as shown in Screen Four.
Screen Four:
The “Welcome to Setup” screen is poorly worded; the “Repair” option we want
isn’t the one explicitly offered here. In fact, the repair option we want isn’t shown at all.
The poorly worded options in Screen Four lead many users astray. The only mention of “Repair” here is “…repair a Windows XP installation using Recovery Console…” but that’s not the no-reformat repair/reinstall we’re seeking. (The Recovery Console Repair option is useful in its own right for fixing relatively minor problems with the operating system, and we fully explore it in the links listed above.)
The repair option we do want–a nondestructive, no-reformat reinstall–is actually hidden beneath the Setup option, “To set up Windows XP now, press ENTER.”
So hit Enter, just as if you were setting up Windows afresh and from scratch.
The next screen, about licensing, gives no reassurances that you’re on the right path for a nondestructive repair/reinstall–in fact, it’s the same screen you see when you’re setting XP up on a virgin hard drive. But this is only the first of many screens that the Repair option will borrow from a full-blown setup. Press F8 to accept the licensing terms and to go on.
Screen Five:
The licensing screen gives no indication that this is a Repair
and not a brand-new, from-scratch installation. But don’t be alarmed.
You’re on the right track.
Next, the XP setup process will show another screen that you may recall from your initial setup of XP. It searches for “a previous version of Microsoft Windows.” In our case, we’re not replacing a previous version of Windows, but rather repairing the very same version that’s on the setup CD–but that’s OK; it’s just another poorly worded screen.
Screen Six:
Our intent is to repair the same version of Windows as is on the setup CD,
but another poorly worded screen makes it seem like you’re upgrading a previous version
of Windows or installing one anew. But don’t let the bad wording alarm you;
we’re still on track for a nondestructive reinstall.
Screen Seven finally shows verbiage that’s not recycled from the generic XP setup, but is specific to our Repair task. Setup should find your damaged copy of XP and present it for repair, as shown:
Screen Seven:
At long last, Setup begins to refer to a Repair option. Here, Setup should have found
your damaged XP setup, which you can select and then press R to start
the nondestructive repair.
If your damaged copy of XP isn’t highlighted in the list box, highlight it now. When it’s selected, press R to start the repair process.
The Repair process then selectively deletes system files in the \Windows folder and subfolders and copies undamaged replacement files from the setup CD to their proper locations.
Screen Eight:
The Repair operation replaces all potentially damaged system files
with fresh copies from the CD.
The Repair process then works on the current setup’s Registry, leaving much of it intact and rebuilding the rest.
Screen Nine:
There’s no fanfare, but this is one of the nicer parts of the Repair process:
Setup retains what it can in the current Registry so that already-installed hardware
and software will remain installed.
The system then needs to reboot and will do so automatically. If your setup CD is still in the drive, remove it so that the system won’t try to boot from it.
Screen Ten:
With the system files freshly copied and the Registry ready for rebuilding,
the system needs to reboot. Remove the CD from the drive so that the PC will boot
to the hard drive instead of to the CD.
The first Repair reboot will take longer than normal. Don’t be alarmed. Also, don’t be alarmed when Setup resumes. Once again, it will appear that you’re performing a full, from-scratch setup; there’s nothing on-screen to indicate that you’re repairing an existing version of XP. But although the setup screens are the same as what you’d see in a full install, it’s still a repair process, as will become clearer in a moment.
The first two of the Repair setup screens ask for your language preferences and product key. Enter these normally.
Screen Twelve:
When Setup resumes, it will appear that you’re performing a full, from-scratch setup.
But don’t worry–you’re still indeed repairing your existing version of XP.
Many of the next few Repair screens will also be familiar. The “installing devices” screen, for example, is identical to the one you normally see during a full, from-scratch setup. But Repair is actually retaining much of the current setup’s configuration and so will move through these steps faster than in a full setup.
Screen Thirteen:
The Repair version of the setup process skips or shortens many steps because it already
has the information it needs from the existing setup. For example, Repair’s “installing devices”
and the network setup steps are both much faster and require less user input
than a new setup does.
The setup screens don’t reflect the fact that a Repair proceeds much faster than a normal, full setup. In fact, the time estimates in the setup progress bar will be way off. You’ll be done in far less time than the progress bar predicts.
Screen Fourteen:
Just as with “installing devices,” the network setup proceeds rapidly because Setup
can reuse many of the configuration details from the current installation.
In fact, a Repair setup takes far less time than the installation progress bar indicates.
When this portion of the Repair is done, you’ll see a “completing installation” screen:
Screen Fifteen:
The “completing installation” screen means most of the heavy lifting is done,
and you’re just minutes away from finishing the repair operation.
Setup then reboots your PC again, and this reboot will also take longer than usual. This is normal.
Screen Sixteen:
With the bulk of the repair work done, your PC needs to reboot once more
and will do so automatically. The reboot will take a bit longer than a standard boot,
but this is normal.
After the reboot, you’ll be brought to an abbreviated version of the “Welcome To Windows” setup pages.
Screen Seventeen:
The Repair process ends with still more screens borrowed from the full setup.
You’ll be asked if you want to register and–depending on how badly hosed the previous installation was–you may or may not be asked to reactivate the copy of Windows. Next, the setup software handles the final networking details and then offers a “thank you” screen.
Screen Eighteen:
The final steps in the Repair process pass very quickly, and you’ll soon reach
the last screen in the Repair operation, a “thank you.”
In most cases, the system will now reboot for a final time. The Repair is done. It’s a normal boot, bringing you to the normal choices for login.
Screen Nineteen:
With a final, fully normal reboot, you’re done. Your copy of XP should be as good as new,
but with all your previously installed hardware, software, and user configuration data undamaged!
If all has gone as planned, you’ll find all the user accounts and passwords intact, all the hardware devices set up as before, and all the previously installed software still installed and configured. In fact, if all has gone as planned, the only significant change will be that whatever problem your copy of XP was previously experiencing will now be gone!
With this information, you should almost never have to face a dreaded start-over-from-scratch reformat/reinstall of XP!
disclaimer: It sure the hell isn’t my fault if you screw this reinstallation up yourself.
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