Nguyên nhân có thể do quá nhiều ứng dụng chạy ngầm, thiếu dung lượng RAM, hoặc ổ cứng bị phân mảnh. Khắc phục bằng cách giải phóng bộ nhớ, chống phân mảnh ổ cứng, và nâng cấp RAM.
Dell Latitude E5550 | Core i5 - 5200U I 8GB SSD I 240GB 15.6'' HD (2nd)
Thông số sản phẩm
CPU: Core i5 5200U – Ram: DDR3 8 GB – Ổ cứng: SSD 240 GB – Card màn hình: Intel HD Graphics – Màn hình: 15 inch – Trọng lượng : 2 kg – Hệ điều hành trong máy: Windows 10 – Màu sắc: đen – Hãng sản xuất: Dell
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