Yes, however it does void the warranty to do so.
hard drive, definitely.
Digital video recorders (DVRs), also known as hard drive recorders, have come to replace removable media in a lot of applications. Their cost varies greatly and is dependent mostly upon features and hard disk size, as well as brand name. A low end DVR can cost as little as $150, with the most expensive brands being closer to $5000 and plenty of choices in the middle of the spectrum.
The easiest way to find a replacement for your broken hard drive is to purchase another one on an online site such as ebay.com or amazon.com. If not you can go to a local electronics store to see what hard drive you can replace it with. Most external hard drives are on sale now.
Hard drive. Usually only a few screws. As long as your ok with cloning the old drive to the new one, you will need a usb caddy and some software (eg gparted boot cd)
matters your hard drive can hold 5gb or 500gb in lmost all cases yes hard drive has most memory.
You didn't mention if this is a floppy disk drive, a hard drive, a CD drive or a DVD, but the answer is the same in most cases. Don't bother to repair the drive, because disk drives are so incredibly cheap these days anyway. Replace it. If this is a hard disk drive containing critical information, then you should look for professional help to recover data from the disk, and then replace it. Hopefully you have backups.
First off, I am assuming that by HD you mean High Definition, not Hard Drive. Yes, and you will probably pay less that you would for an HD DVR, but you may have to start looking at used machines to find one. Most new DVRs are HD-equipped.
yes you can but most modems already have a hard drive in them
Hard disk drive.
The most mobile hard drive case available on the market is the Win Ammo Hard Drive Enclosure. This hard drive casing is thick and will protect your hard drive well as you transport it. Additionally, this hard drive comes with a built in encryption feature. This feature keeps your hard drive locked until an RFID key is used to unlock it. So if you accidentally lose your hard drive and case, anyone who finds it will find it difficult to access the data on your hard drive.
Most likely: yes.
The hard drive is the main, and usually largest, data storage device in a computer. The operating system, software titles and most other files are stored in the hard drive.