To buy a new workstation laptop

I wish to raise funds to buy a new Lenovo class workstation laptop. The existing laptop the LCD is not working well, the storage is spoilt (cannot put in a new add or hard disk as the slot is spoilt) , the battery slot is also spoilt so cannot charge any battery at all, n the only way to Boot up is usb live Linux . The WiFi is working. The cmos battery is also low. The arrow keys cannot move down n right, I have to use page up page down n move arrow keys up to get to where I want