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Giriş Geçmişi: ThinkPad T420 Hard Drive Replacement

Düzenleyen: Nick

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Introduction
If the hard drive in your ThinkPad T420 has failed or you wish to install a larger or faster drive, this guide will show you how to replace the hard drive.
'''Guide notes'''
* '''This guide is hardware only;does not cover operating system no OSinstallation. information is provided '''Note: If I know what OS you are using,I may be able to help locate an you get aimage if I know what to reinstallyour system ran before, but there are no gaurantees.operating system'''
* If you are installing an SSD or modern an AF (Advanced FprmatFormat) drive, a drive that uses 2 platters instead of 3, youspacer may need a 7mm to 9.5mm spacer. Keep itbe required and are usually available on hand, in the eventsites like eBay if your drive does not include one. '''If you are installing a hard drive that requires it for a snug fit. Many SSD's do include this, but if yours does not you can usually buy them onlinecut the spacer relative to the location of the breather hole.'''
* '''IMPORTANT: If the system has a unknown HDP that you do not knowinstalled, youthis MUST be removed. The password will need to remove this first. These passwords are stored in a ATMEL chip on the system board and will getbe loaded onto your replacement drive if it. This is not cleared firststored on the system's ATMEL chip.'''
* This guide is hardware only; no OS installation information is provided. '''Note: If I know what OS you are using, I may be able to help you get a image to reinstall your operating system.'''
* If you are installing an SSD or modern Advanced Fprmat drive that uses 2 platters instead of 3, you may need a 7mm to 9.5mm spacer. Keep it on hand, in the event you are installing a drive that requires it for a snug fit. Many SSD's do include this, but if yours does not you can usually buy them online.
* '''IMPORTANT: If the system has a HDP that you do not know, you will need to remove this first. These passwords are stored in a ATMEL chip on the system board and will get loaded onto your replacement drive if it is not cleared first.'''
* Taking a backup of the old drive is recommended. You may not need this, but if the old drive fails you will need to go to your backup to get your files back, should you need them. You can backup your files in many ways, based on the OS you are using.
* Once you are done with the old drive and are sure you have your data you need off of the old drive, securely wipe the drive before disposal. '''Note: If you are using FDE, you can delete the encryption key to accomplish the same task.'''
* '''This guide does not cover operating system installation. I may be able to help locate an image if I know what your system ran before, but there are no gaurantees.'''
* If you are installing an SSD or an AF (Advanced Format) drive, a drive spacer may be required and are usually available on sites like eBay if your drive does not include one. '''If you are installing a hard drive, cut the spacer relative to the location of the breather hole.'''
* '''If the system has a unknown HDP installed, this MUST be removed. The password will be loaded onto your replacement drive. This is stored on the system's ATMEL chip.'''
* Make a backup of your original drive, if possible. This is not a requirement (and not required if you purchased the system used and want to install a new drive), but will apply in most scenarios in the event something goes horribly wrong.
* Once you are done with the old drive and are sure you have your data you need off of the old drive, securely wipe the drive. '''SED's can be erased by deleting the encryption key from the drive rather then using a drawn out full disk erasure. This also applies to FDE.'''
'''Guide times'''
Drive installation: 30 minutes
OS installation and updates: No concrete answer can be given. This will vary byBased on your system, OS and reload approach used.other variables
Backup and system image: If you are doing a backup and making a system image, this will take '''significantly longer to finishincrease completion time. If you are going''' This will not be as long with a clean OS, most of your time will be spent on updates and drivers installation.