Apple MacBook Pro 17-inch (original, Core 2 Duo, 2.4GHz, Late 2007 CTO, Early 2008, and Late 2008) - Manual (Page 174)

MacBook Pro 17-inch (original, Core 2 Duo, 2.4/2.6GHz, 2008) Troubleshooting — Hardware Symptom Charts 174
Replace the left I/O board. 11.
Replace the main logic board. 12.
Battery
Warranty Note: If the battery is determined to be the root cause of the customer issue, see
Kbase article 500644: Portable Computer Battery Screening Process for Apple Service Providers to
determine if the battery can be replaced under the one-year limited warranty.
Before troubleshooting battery-specific issues, make sure to check Software Update in the System
Preferences or see the Apple Software Updates web page for battery-related software updates.
Battery will not pop up
Flip over the unit and slide the battery latches to their full extent. 1.
If the battery does not pop up, use a small plastic flat-blade tool to pry up the battery 2.
around the battery latch. If the battery is swollen, replace the battery. See below.
Try a new battery. 3.
Verify proper latch operation by exercising the latch. If it does not move smoothly or evenly, 4.
try disassembling the battery latch. Check that the spring held between the latch cover and
the battery latch pin is intact.
Replace the bottom case. 5.
If the latch does exercise correctly, verify that the customer is not installing the battery with 6.
excessive force or the body of the battery has not been deformed around its perimeter.
Warning: If the battery plastic housing has been damaged, or the two halves of the
housing have separated, the battery is unsafe for use.
Note: If there is no sign of abuse (dents, scratch marks) replace the battery under warranty.
Swollen battery
Symptom(s): 1.
The computer may not run off battery power alone •
The computer wobbles and won’t sit flat on a flat surface •
The trackpad button is continually pressed and doesn’t release (in this case, test by •
removing the battery to see if the trackpad button functionality returns).
A swollen battery can expand and cause the battery case to break open, exposing cells.
•
Use care and common sense when handling a battery with exposed cells.
If the bulged battery will not release/come out of the unit, try removing the top case to help 2.
release the battery.
Replace the battery. 3.
For more information and visual examples, consult Knowledge Base article 303922: MacBook,
MacBook Pro (15-inch), or MacBook Pro (17-inch) with swollen battery.