Inspect the monitor for scratches or dead pixels, test the processor and RAM by running resource-heavy programs, and check all ports (USB, HDMI) for functionality. If possible, open the case to inspect the internal components for dust or damage. But rest assured, at Soum, we thoroughly inspect the device before it reaches you.

Yes, most desktops allow upgrades such as RAM, storage (SSD or HDD), or even the graphics card for improved performance. Verify the model specifications to ensure the desktop supports the upgrades you need.

Yes, on Soum, you can purchase used desktops through installment plans offered by services like Tamara and Tabby. 

Run resource-intensive programs such as games or video editing software, and monitor the CPU temperature with tools like HWMonitor. If temperatures rise too quickly or the fans are excessively loud, there may be a cooling issue.

Look for modern processors like Intel Core i5-13600 or i7-13700 for multitasking and gaming. AMD Ryzen 5 7640 or Ryzen 7 7840 are also excellent choices for performance and energy efficiency.