Yes, I think you can, I also did it using this guide couple of months ago, i think it will help you.
What are the Hinges?
Display hinges connect two halves of a laptop the display panel and base assembly. All regular laptops have two hinges located on the left and right sides of the display panel. Tablet PCs have one hinge-swivel located in the middle of the display.
The LCD screen mounts to the screen mounting brackets which are permanently attached to the display hinges. There are two or more screws securing the LCD screen to each mounting bracket.
What are the Hinges made of ?
The laptop hinges are mostly made of low-cost metal alloys,It is also called pot metal. Pot metal is not particularly durable, and over the course of a laptops life cycle, repeated opening and closing of the computers lid can cause wear that prevents the lid from staying in an open position. Hinges can also wear to the point that they break at the point of attachment, either on the lid or the computers body.
Problems associated with the Hinges ?
Hinges are not meant for repair, they can only be replaced if damaged anyhow. If the hinge is broken or too loose to keep the display in an open position, you have to replace it with a new one.
1. The laptop display feels loose. It will stay in the up position, but when you move the display it feels floppy.
First of all, try tightening screws securing both hinges to the laptop base and display cover. If tightening screws doesnt help, apparently your hinges are worn out and will have to be replaced soon.
2. The display will not stat in the up position. When you open the display and leave it in the up position, it falls back.
Most likely one or both hinges are broken and need to be replaced. Even if only one hinge is broken, then it would be better to replace both hinges because the second one is worn out and could break too in the near future, you should immediately call a technician for Laptop Hinge Repair.
LAPTOP HINGE REPAIR
THINGS YOULL NEED
Purchase replacement parts on sites like amazon etc ,
Before you start to dissassemble the laptop you must remember to power it off, remove the power cable and battery from your laptop. Remove the hard drive and memory sticks from your laptop as well.
Remove any screws on the bottom of your laptop that hold the keyboard to the laptop base. Some laptops do not have a keyboard screwed in. Examine your laptop carefully. If in doubt, remove all screws located on the bottom and sides of the laptop. Keep track of all of your screws, and draw a quick diagram of where each one goes to make reassembly easier.
broken laptop hinge
Use a flathead screwdriver to carefully pry up and remove the keyboard bezel. The bezel is located along the top of the keyboard on most laptops. Remove the keyboard, and disconnect it from the motherboard.
Remove the hinge covers, if any, and disconnect any cables connecting the LCD display to the motherboard.
Replacing broken hinge
Remove any screws connecting the display to the laptop base. Carefully pull the display away from the laptop base.
Remove any screws connecting the two halves of the display assembly together. Use your fingers to carefully pry the front bezel away from the LCD display cover. Carefully remove the LCD display from the cover. The LCD display probably will be connected to a video cable. Unplug the video cable before removing the screen.
Laptop hinge screws
Remove any screws holding the hinges to the display cover. Replace with new hinges.
Replacing new hinge in laptop
Reassemble your laptop by reversing your previous steps.
Source : Techyuga