HP TouchSmart 300-1300 Upgrading and Servicing Guide - Page 11

7 Plug the power cord into the back of the computer and then into the power source. 8 Return the computer to the upright position and turn on the computer. Troubleshooting [This section needs to be verified and/or modified for M5. It was copied from Amazon.] If the computer displays a memory error after you have turned it back on, check the following: z Turn the computer off and unplug the power cord, then open up the memory compartment and make sure the memory card is firmly seated. To install it correctly, make sure it inserted all the way into the compartment and then push down on it to snap it into place. z Verify that the memory installed is compatible with this computer. SO-DIMMs are small outline dual inline memory modules. They are smaller and thinner than most other DIMMs, so that they take less space in the case. SO-DIMM modules must meet the following requirements: z 200-pin DDR2-DIMM z PC2-4200 (533 MHz) DDR2-SDRAM or PC25300 (667 MHz) DDR2-SDRAM z Unbuffered, non-ECC (64-bit) DIMMs z 1.8 V memory only z 4.0 GB maximum installable memory. Actual available memory that can be used in Windows will be less. z Because the memory uses dual channels, you should use the same DIMM type for both sockets. 584963-001 - Upgrading or Replacing Memory 9