Toshiba Satellite A105-s2716 power-up password

I dont think so as the S1712 uses the Atheros® 802.11 b/g wireless-LAN card and the s2716 uses the Intel® PRO/Wireless 2200BG card. You can call Toshiba TS to verify, but most likely they are not interchangeable as they are different. That doesn't mean that it is 100% a no go as it still might function, but chances are slim. Here are links to the specs for each machine:

http://support.toshiba.com/support/staticContentDetail?contentId=1250461&isFromTOCLink=false
http://support.toshiba.com/support/staticContentDetail?contentId=1262112&isFromTOCLink=false

restart the computer HOLD the key FN +f1 or f2 depend or your model and goes to BIOS setupu and reset the password or disable.

God bless you

Toshiba had issued a bulletin and a BIOS upgrade (version 2.0) to address the battery not charging/working issue (it's a bug in the system is what it is). Make sure that's done before contemplating any hardware changes or repairs.

The LCD assembly will have a part number either on a paper sticker or printed on some empty real estate. Check for one that matches the structure of part number(s) listed on eBay.
You can start with the link below:
Toshiba Satellite A105 LCDs

Here is the site to download the driver...
http://www.drivershq.com/drivers/Toshiba/Satellite/A105-S2716/4183/9941/10714/Drivers.aspx
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remove all bottom screws, pull apart buttom cover, you will have access to fan which should have a couple screws and wire clip holding it all together.

I think your Toshiba got grounded or short circuit inside. Better also to use USB Keyboard, it works.

you need to enter your bios (setup at boot) and make sure that the cd drive is at the top of the boot sequence before it can start from cd.

You need to go into the bios or utility set up. At start up there will be a Toshiba screen, on this screen at the bottom, it will read something like, esc to enter bios, or F1 to enter bios, F10 to enter boot menu, at this point you will need to press which ever it says to go into bios. Bios can also be refereed to as utilities or utility set up. Now, if you change the boot order in the bios, it will always check the CD drive before the hard drive. If you only want or need to boot from the CD drive this one time, then you will need to go into the boot menu at start up. When you get to the boot menu, it will give you a list, then you choose CD drive. If you go the boot menu route, be sure the CD is in the drive when you select CD drive, otherwise it will see there is no CD and skip straight to the hard drive. Keep in mind that on some machines it blows right past the Toshiba screen, so you may have to try a couple of times or just be quick to make your selection as to bios or boot menu.