What is the difference between t420 and t420i

I cant seem to find any info on the i series. Do they have a hdmi port,thinklight. John Ratsey , May 11, Thanks John. That link will save lots of research time!! PatchySan , May 11, I want to hook it to the Tv to watch movies. What kind of adapter would I need? Would the adapter have the sound coming from the TV or the computer? I have a older Big Screen. Thanks so much for the help!!! Thanks so much!!!

You must log in or sign up to reply here. Show Ignored Content. It is important to check this before buying the machine. To do this, do the following:. To remove this, you will need to contact Absolute Software and request the subscription be removed.

If everything is good, they will remove it. Once it is released, Computrace should be disabled to avoid problems later on. This can be soft disabled Recommended or permanently disabled Not recommended. It may also be a good idea to save the receipt or get notarized transfer papers in case proof is needed. Lenovo systems do not provide a backdoor password. If this password is lost, you will need to replace the motherboard.

While this password can be removed without a new motherboard, these methods will not be discussed on this device page. Note: This is not an issue if you know the master password for the system. The master password can be used to unlock the hard drive. These passwords cannot be removed without replacing system hardware, generally speaking.

Some systems back this up to the ATMEL chip, so this password may be copied to your replacement hard drive. This will render the new hard drive useless.

If you are not sure if this will happen, install a hard drive you do not mind losing for verification. If it doesn't copy over, it is safe to install the new hard drive. If it does, you will need to reset the motherboard before replacing the hard drive.

Note: Before resetting this, check for an SVP. Unlike other passwords, this is easy to reset. Upon rebooting, you will run into a checksum error where the machine will use the factory default BIOS settings. Fix Your Stuff Community Store. Show Other Languages. Author: Nick and 2 other contributors.

Create a Guide I Have This. Do you know which kind you have? Replacement Guides Keyboard. Support Questions Ask a Question. Parts Batteries 1 Consumables 2. Essential Electronics Toolkit. Mako Precision Bit Set. Magnetic Project Mat. Background and Identification. Machine Identification. How the Ti varies from the T Graphics options. Intel AMT. Memory capacity and type Official. Maximum supported memory. Memory upgrades Unofficial. Maximum memory capacity Unofficial. Hard Drive. Video cards.

Supported Not recommended. Supported Recommended. WWAN cards. Supported cards. Known issues with used systems. Computrace Persistence Module And how to check. BIOS Passwords.