Sorry, since you did not provide specific configuration information of the old computer, we cannot confirm whether the computer can run Lost Ark. Lost Ark is a high-definition 3D game that requires higher hardware configuration to run smoothly. Here are some basic configuration requirements for most games for your reference:

1. CPU: Intel Core i5 or above or AMD Ryzen 5 or above.

2. Graphics card: NVIDIA GTX 1050 Ti or above or AMD Radeon RX 570 or above.

3. Memory: 8GB or above.

4. Storage: It is recommended to use SSD or HDD accelerator.

If you are not sure whether your computer can meet the above configuration requirements, you can investigate your CPU and graphics card models, and then evaluate whether your computer is suitable by searching for the basic parameters and performance of these models. . If you want to get a better gaming experience, you can consider upgrading your hardware or looking for a computer with higher configurations for gaming.