OK, This is a big undertaking if you are completely new.
1st, if you can get a static guard wrist band - great!
2nd You will be dealing with plenty of screws so keep track
In Toshiba notebooks most screws are marked. Here are some examples:
F4 - flat-head screw 4mm long
B6 - button-head screw 6mm long
F16 - flat-head screw 16mm long
B8 - button-head screw 8mm long
I have .a Toshiba Satellite 1135-S155. It should be a similar
configuration, same family/1135-S1xx series.
You will have to remove a total of
9 Phillips screws.
Place the underside of the PC up.
Disconnect all power, cables and Battery from
The first screw is located just under the Toshiba Serial Number / Bar codes,
just above where the DVD/CD-ROM combo drive is located.
Mine is labeled (F5). Unscrew it and place in a safe place.
Pull DVD/CD-ROM combo drive out it is an assembly.
The Hard Drive is located
under the DVD/CD-ROM combo drive.
The Hard Disk Drive (HDD) is enclosed within a caddy containing the remaining
There are four screws holding the caddy rails to the Laptop and four screws
holding the rails, caddy and Hard Drive as an assembly.
Unscrew and place in a
safe place/ container they are small. Disassemble the HDD from caddy assembly;
place your HD in the caddy and reassembly.
Here is another Toshiba HDD access that is slightly more
straightforward than my 1135 series
So you get an idea of where a HDD is visually:
Above is a photo of the Battery sliding out
Below is the Hard Drive Removal
I hope this gives you an idea of how to go about it for your
If you need further assistance, let me know