[. . . ] This activates the pre-installed battery. 2 584963-001 -- Replacing a Wireless Keyboard or Mouse 5 If you are replacing the mouse and it has a power switch on the bottom, turn on the mouse power switch (A). The keyboard does not have a power switch, so you can skip this step if you are installing the keyboard only. 6 Press the blue connect button on the bottom of the keyboard (B) and/or mouse (C) for 5 to 10 seconds. The blue activity LED on the wireless receiver illuminates when the synchronization command has been received and goes off when synchronization is complete. NOTE: If the synchronization does not work, remove and then re-insert the wireless receiver from the back of the computer and synchronize the keyboard and/or mouse again. Replacing Batteries If repeated attempts at synchronization do not work, you may need to replace the batteries in the keyboard and mouse. [. . . ] Do not use rechargeable batteries. 584963-001 -- Replacing a Wireless Keyboard or Mouse 3 4 584963-001 -- Replacing a Wireless Keyboard or Mouse HP Touchsmart300 PC Upgrading or Replacing Memory Upgrading or Replacing Memory 5 - 10 minutes Before You Begin Observe the following requirements before removing and replacing memory cards. 3 Unplug the computer by disconnecting the power cord from the back of the computer. Tools Needed Torx or flat screwdriver - medium tip CAUTION: Static electricity can damage the electronic components inside the computer. Discharge static electricity by touching the metal cage of the computer before touching any internal parts or electronic components. WARNING: Never open the cover with the power cord attached or power applied. Avoid touching sharp edges inside the computer. 4 Unplug all attached cables from the back of the computer. 5 Set down a blanket, towel, or other soft cloth to protect the screen from scratches or other damage. Place the computer face-down on the soft surface. Computer Preparation 1 Remove any media (CD, DVD, and memory cards) from the computer. 2 Shut down the computer. 6 584963-001 -- Upgrading or Replacing Memory Removing the Memory 6 Lift the plastic shield on the back of the computer stand. 9 Use your fingers to press outwards on the tabs on the left and right sides of a memory card to release it. 7 Use a torx or flat-head screwdriver to remove the screw that secures the right cover. 10 Hold the card by its edges, and remove it from the compartment. 8 Slide the right cover off. 584963-001 -- Upgrading or Replacing Memory 7 Installing a New Memory Card 1 Orient the new card so that the notch on the edge of the card faces forward and is on the right. Remove the drive from the cage. Installing a New Hard Disk Drive 1 Insert the new hard disk drive into the cage. Make sure that the hard drive is inserted with the label on the bottom. 2 Install and tighten the four screws that hold the hard drive in the cage. 3 Connect the cable connector to the back of the new hard disk drive. 14 584963-001 -- Removing and Replacing a Hard Disk Drive 4 Align the wheels on each side of the top of the hard disk drive cage with the slots in the hard disk drive bay, and insert the hard disk drive. 7 Slide the left cover into place. 5 Press down on the hard disk cage handle to snap it into place. 8 Replace the left cover screw. 6 Tighten the captive screw on the hard disk drive cage. 9 Reconnect any cables that were disconnected for this procedure. 10 Plug the power cord into the back of the computer and then into the power source. 584963-001 -- Removing and Replacing a Hard Disk Drive 15 1 Return the computer to the upright position and turn on 1 the computer. 16 584963-001 -- Removing and Replacing a Hard Disk Drive HP Touchsmart300 PC Removing and Replacing a CD/DVD Drive Removing and Replacing a CD/DVD Drive 5 -- 10 minutes Before You Begin Observe the following requirements before removing and replacing the CD/DVD drive. Tools Needed Torx or flat-head screwdriver - medum-sized tip Very small Phillips screwdriver CAUTION: Static electricity can damage the electronic components inside the computer. Discharge static electricity by touching the metal cage of the computer before touching any internal parts or electronic components. WARNING: Never open the cover with the power cord attached or power applied. 5 Set down a blanket, towel, or other soft cloth to protect the screen from scratches or other damage. 3 Unplug the computer by disconnecting the power from the back of the computer. Computer Preparation 1 Remove any media (CD, DVD, and memory cards) from the computer. 2 Shut down the computer. 18 584963-001 -- Removing and Replacing a CD/DVD Drive Removing the CD/DVD Drive 6 Lift the plastic shield on the back of the computer stand. [. . . ] TIP: You do not need to remove this screw, only loosen it in order to release the CD/DVD drive cage. 7 Use a torx or flat-head screwdriver to remove the screw that secures the left cover. 10 Grasp the tab at the top of the CD/DVD drive cage, and slide it in the direction of the arrow to disengage the CD/DVD drive cage. 8 Slide the left cover off. 584963-001 -- Removing and Replacing a CD/DVD Drive 19 1 Disconnect the cable on the right-hand side of the 1 CD/DVD drive cage. 13 Slide the CD/DVD drive forward to remove it from the cage. 12 Use the small Phillips screwdriver to remove the four screws that secure the CD/DVD drive in the cage. Two screws are on each side. TIP: These screws are very small and can be lost easily. [. . . ]