My Alienware Aurora A4 system came with a seagate 1 tb st31000524AS drive. When I try to add in my old computers storage drive a 1.5 tb st31500341as it causes my Windows 7 system to not boot. The computer hangs at the Startup Repair (recommended)" / "Start Windows Normally" console screen. Either option brings me back the same place. When I go into the bios it has an UEFI boot system. I have made sure to select the 1tb drive as the first boot option and I continue to encounter the same problem. I tried booting to a windows 7 recovery disk. and It could not find fix anything. I'm at a loss of what to do. They system is brand new but I can't add my backup drive to it.
If this is a brand new system you should check and see if there is a firmware update. UEFI is fairly new (okay it really isn't that new but BIOS was around for 30 years and manufacturers never figured out how to use it) and is often plagued with bugs like this
See if your motherboard supports hot-swappable SATA drives. If it does you can bypass the UEFI OPROM which might be causing the problem and mount it directly within windows. To do this:
1. Ensure the particularly SATA port that the HDD is attached to has hot swap enabled.
2. (optional) Connect the SATA data connector to the 1.5TB hard drive but leave the power connector disconnected.
3. Power on the machine as normal and boot into windows.
4. If you skipped step 2 while the machine was off, do it now while it is on.
5. Carefully connect the power connector to the 1.5TB drive. The SATA power connectors are manufactured with an extended ground pin which ensures that ground is always connected first, allowing it to be connected and disconnected safely while running.