Faulty Acer Travelmate 4500 Laptop Spares / Repairs ?

Faulty Acer Travelmate 4500 When you press it on, lights come on but nothing else happens. Missing: HD Caddy, HD Cover, HD (Although will give suitable Hard Drive for free if full price is met) Also selling very similar faulty laptop Acer Aspire 1690 (Search it) will do a discount if buy together. Thanks