![HP Laptop ProBook Intel Core i3 1st Gen 380M (2.53GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Home Premium 32-bit 4520s (XT988UT#ABA) - Newegg.com HP Laptop ProBook Intel Core i3 1st Gen 380M (2.53GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Home Premium 32-bit 4520s (XT988UT#ABA) - Newegg.com](https://c1.neweggimages.com/ProductImageCompressAll1280/34-157-672-10.jpg)
HP Laptop ProBook Intel Core i3 1st Gen 380M (2.53GHz) 2GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Home Premium 32-bit 4520s (XT988UT#ABA) - Newegg.com
![HP Laptop ProBook Intel Core i5 1st Gen 460M (2.53GHz) 4GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Professional 64-bit 4520s (XT945UT#ABA) - Newegg.com HP Laptop ProBook Intel Core i5 1st Gen 460M (2.53GHz) 4GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Professional 64-bit 4520s (XT945UT#ABA) - Newegg.com](https://c1.neweggimages.com/ProductImage/34-157-503-06.jpg)
HP Laptop ProBook Intel Core i5 1st Gen 460M (2.53GHz) 4GB Memory 320GB HDD Intel HD Graphics 15.6" Windows 7 Professional 64-bit 4520s (XT945UT#ABA) - Newegg.com
![Kocoqin Laptop Motherboard For Hp Probook 4520s 4720s Hm57 Mainboard 633552-001 H9265-4 48.4gk06.041 2216-0774207 Ddr3 - Laptop Motherboard - AliExpress Kocoqin Laptop Motherboard For Hp Probook 4520s 4720s Hm57 Mainboard 633552-001 H9265-4 48.4gk06.041 2216-0774207 Ddr3 - Laptop Motherboard - AliExpress](https://ae01.alicdn.com/kf/H2a98632f31cf4f119c288082baaa06fc5/KoCoQin-Laptop-motherboard-For-HP-Probook-4520S-4720S-HM57-Mainboard-633552-001-H9265-4-48-4GK06.jpg)
Kocoqin Laptop Motherboard For Hp Probook 4520s 4720s Hm57 Mainboard 633552-001 H9265-4 48.4gk06.041 2216-0774207 Ddr3 - Laptop Motherboard - AliExpress
![HP Probook 4520s core i5 4gb Ram 320GB Hard drive 15.6 inch Screen Windows 10 Pro Laptop with HDMI output & charger in Excellent Working condition!!! for Sale in Aurora, IL - OfferUp HP Probook 4520s core i5 4gb Ram 320GB Hard drive 15.6 inch Screen Windows 10 Pro Laptop with HDMI output & charger in Excellent Working condition!!! for Sale in Aurora, IL - OfferUp](https://thumbor.offerup.com/52a8gKUtpXUiQT0AvUfx3lDWcPA=/1440x1920/ce2b/ce2bc195ad52434b985af03b9f4b325f.jpg)