Both were purchased new in the fall of 2018 at a local electronics store. I used them at home and at work, but I used a TV as a monitor and an external keyboard, so there is no glare and the LCD screen was used infrequently. ① The SSD was just replaced and was working well, but I tried to clean the cooling fan as shown in a video, and I opened the cover but gave up. At that time, I removed the BIOS battery once, which caused all USB, Wi-Fi, and DVD drives not to be recognized even when starting up. ② The PC is working normally, but one of the USB ports in the image is faulty, and there is a crack that occurred when it was mailed from work to home. ① NEC LAVIE (Black) PC-NS750HAB Laptop, with AC adapter Series name...LAVIE LCD: 15.6 inches OS: Windows 10 Home CPU: Intel Core i7 Storage type: SSD 500GB (Crucial) Memory: 8GB ② NEC LAVIE (Red) PC-NS700JAR Laptop, with AC adapter Series name...LAVIE LCD: 15.6 inches OS: Windows 10 Home CPU: Intel Core i7 Storage type: SSD 500GB (Crucial) Memory: 8GB They were stored in an environment without smokers or pets. For those who understand used items, thank you. *Based on the above, I will list them as junk items. I do not have the knowledge to answer specialized questions, so please understand.