Question Newly formatted hd, computing only booting half the time, and taking its sweet time to do so

Desertprep

Prominent
Apr 16, 2023
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510
Dell Precision Tower 5810, xeon e5
I bought this computer - was working fine, though it took about 15 seconds to boot - it always booted. I put a larger HD in it and then installed Win 10 on it. Now, it only boots half of the time. When it does boot, it takes about half a minute or so to do it. Once it boots up, it seems to work fine. It does not make any noises when booting - no beeps, etc. I think the internal speaker is set up. How do I approach this problem? I know it is an older computer, but it does way more than what I need.