Chapter 4 4-71. Power off the computer.2. Remove the battery pack and measure the voltage between batteryterminals 1 (+) and 7. See the following figure:If the voltage is still less than +10.0 Vdc after recharging, replace the battery.TouchPad CheckoutIf the TouchPad does not work, check the configuration in the ThinkPad BIOSprogram. If the configuration of the TouchPad is disabled, select Enable toenable it.If this does not correct the TouchPad problem, continue with the following.After you use the TouchPad, the pointer drifts on the screen for a short time.This self-acting pointer movement can occur when a slight, steady pressureis applied to the TouchPad pointer. This symptom is not a hardware problem.No service actions are necessary if the pointer movement stops in a shortperiod of time.If a click button problem or the pointing stick problem occurs, do the following:1. Boot from the diagnostics diskette and start the PQA program (pleaserefer to “Running PQA Diagnostics Program”.2. Go to the diagnostic Pointing Dev. in the test items.3. Press F2 in the test items.4. Follow the instructions in the message window.If either the pointing stick or the click button do not work, do the followingactions one at a time to correct the problem. Do not replace a nondefectiveSpare Part:1. Reseat the TouchPad cables.2. Replace the TouchPad.3. Replace the TouchPad.