Cannot open compartment to card and battery

*this is for a windows computer

well i do not understand your problem but for the sake that you would want to take pictures for Christmas i will help. Ok, go to your computer. you are there. If you have a cable that connects to the computer via usb and connects to your sd card on the other end, read this. if not, skip to the next pargraph. Ok, plug the cable in to the computer and sd card. if something like adobe photoshop comes up, click stop then close it. open 'my computer' on the start pannel. go to cd drive 'F' and go through whatever folders there are to get to your images. im assuming you want to keep them so minimize my computer and right click on the desktop. go to 'new' and go down to folder. if you dont want them on the desktop do it on my documents or my pictures or whatever you want. name your folder and open my computer. go up a folder using the up a folder icon on the top and take the folder where the images are or cd drive f and drag it to your new folder. then hilight all the images again and still holding left click press right click and go down to delete. there your card is empty and the images are on the computer.
Ok put your card in the sd slot and wait for it to load your images to come up. if it doesnt load go to my computer and go to cd drive 'I' and im assuming you want to keep them so minimize my computer and right click on the desktop. if you dont want them on the desktop do it on my documents or my pictures or whatever you want. go to 'new' and go down to folder. name your folder and open my computer. go up a folder using the up a folder icon on the top and take the folder where the images are or cd drive f and drag it to your new folder. then hilight all the images again and still holding left click press right click and go down to delete. there your card is empty and the images are on the computer.