Linux na 7-letniego kompa?

[Gamora]

Witam,
Skrzynka ma już 7 lat i komputer zaczyna zamulać. Zależy mi na przeglądaniu internetu ewentualnie oglądaniu filmów. Instalowałem minta 17.2 i ubuntu 16.04 lecz zamula.

Sprzęt:
Machine:   Mobo: Gigabyte model: GA-MA770T-UD3P version: x.x Bios: Award version: F10 date: 07/09/2010
CPU:       Dual core AMD Phenom II X2 550 (-MCP-) cache: 1024 KB flags: (lm nx sse sse2 sse3 sse4a svm) bmips: 14063.7
           Clock Speeds: 1: 1900.00 MHz 2: 800.00 MHz
Graphics:  Card: Advanced Micro Devices [AMD/ATI] RV770 [Radeon HD 4870] bus-ID: 01:00.0
           X.Org: 1.15.1 drivers: ati,radeon (unloaded: fbdev,vesa) Resolution: 1440x900@59.9hz
           GLX Renderer: Gallium 0.4 on AMD RV770 GLX Version: 3.0 Mesa 10.1.3 Direct Rendering: Yes
Audio:     Card-1: Advanced Micro Devices [AMD/ATI] RV770 HDMI Audio [Radeon HD 4850/4870]
           driver: snd_hda_intel bus-ID: 01:00.1
           Card-2: Advanced Micro Devices [AMD/ATI] SBx00 Azalia (Intel HDA) driver: snd_hda_intel bus-ID: 00:14.2
           Sound: Advanced Linux Sound Architecture ver: k3.16.0-38-generic
Network:   Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           driver: r8169 ver: 2.3LK-NAPI port: de00 bus-ID: 02:00.0
           IF: eth0 state: up speed: 100 Mbps duplex: full mac: 00:24:1d:8c:06:44
Drives:    HDD Total Size: 500.1GB (3.6% used) 1: id: /dev/sda model: SAMSUNG_HD502HJ size: 500.1GB

[Albedo 0.64]

Witaj. Polecam LMDE 2 Betsy Mate.