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Already installed IDE 500 gb intetnal hard disk to Dell Dimension 2400: I was told reformatting would be time consuming, instead, I should run windows repair.
What should I do to keep current internal 80gb hd, which is doing fine with remaining 40% memory, while adding IDE 500gb internal HD s without refomatting or repartitioning?
All my data is in 1.5 tb external hd. I'm an accountant.
What appropriate steps could I take without erasing existing programs ? Thanks, Peter

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Short expert summary for : the 80GB Windows XP system drive can be left untouched and the new 500GB disk used as a separate data drive without reinstalling Windows. The forum replies from , and point in the right direction, but a couple of hardware/firmware caveats that were not mentioned can block access to the full 500GB unless addressed.

Before any work, confirm the new drive type and physical connections (PATA vs SATA) and power—older Dimension 2400 systems are PATA-era and may need the same interface or an adapter. Boot into the BIOS and check whether the BIOS reports the drive at its full capacity; if the BIOS only shows ~137GB then the system or its BIOS predates 48‑bit LBA support. In that case a BIOS update for the Dimension 2400 (if Dell provides one) or adding a controller card with its own BIOS are common fixes. (dell.com)

If the BIOS sees the full disk, let Windows handle the rest: open Computer Management → Disk Management to initialize the new disk, create an NTFS volume and assign a drive letter. That process prepares the new drive for data without touching the existing 80GB system disk or installed programs. If Disk Management does not show the full capacity after initialization, the BIOS/OS LBA issue should be resolved first (BIOS update or host controller), or the drive can be attached via a controller that supports larger disks. Practical how‑to steps for initializing/formatting are documented by drive vendors. (support-en.wd.com)

Final notes: keep the external 1.5TB backup safe, image the 80GB system drive before making hardware/firmware changes, and avoid running a Windows “repair” unless the OS itself is damaged — adding a data drive does not require a repair install. If the new drive is actually SATA and the machine lacks SATA ports, a small controller or adapter will be needed.

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Member Avatar for caperjack

Already installed IDE 500 gb intetnal hard disk to Dell Dimension 2400: I was told reformatting would be time consuming, instead, I should run windows repair.
r

hi ,your not fully explaining what it is you want to accomplish ,
if winxp is on the 80gig and working why would you need to run a repair .
if you only plan on using the 500 for data storage then you would need to format it ,if it didn't come formatted

Member Avatar for slash49er

If all you want to do is install an internal 500GB hard drive in you computer just set the new HD as slave and install it in you pc. No need for format or partitions.

Member Avatar for Adamsappleone

slash49er | 1 Hour Ago
If all you want to do is install an internal 500GB hard drive in you computer just set the new HD as slave and install it in you pc. No need for format or partitions.

He said, "Already installed IDE 500Gb internal hard disk" and if he's going to use it which is probably why he bought and installed it, then it does need to be formatted.



Just follow caperjack's suggestion for usage.
No need to disturb your 80Gb XP drive.
You will also have to place the jumper block on the new drive to "Slave", just follow the HDD installation guide. If you did not get an installation guide, go to the manufacturers website and obtain it from them.

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