Lenovo ThinkPad 365E-ED ThinkPad 365, SelectaDock I - Hardware Maintenance Man - Page 281

Symptoms (Verified) Other symptoms (such as LCD display problems). Symptoms cannot be recreated. (Intermittent problems.) Go to "Symptom-to-FRU Index" on page 279, and then use the Other Symptoms table. Use the customer reported symptoms and go to "Symptom-to-FRU Index" on page 279. Memory Checkout DIMM cards are available for increasing memory capacity. DIMM No DIMM installed 8MB 16MB 32MB Displayed Value 7808KB 16000KB 24192KB 40576KB Memory errors might stop system operations, show error messages on the screen, or hang the system. Use the following procedure to isolate memory problems. Note Make sure that the DIMM card is fully installed into the connector. A loose connection can cause an error. 1. Power off the computer and remove the DIMM card from its slot (if installed). 2. Press and hold the F1 key; then power on the computer. Hold the F1 key down until the Easy-Setup screen appears. 3. Select Test and press Enter. 4. Select Memory and press Enter to run the memory test on base memory. If an error appears, replace the system board. 5. Power off the computer and reinstall the DIMM card; then power on the computer. Verify the memory size; then test the memory. If an error appears, replace the DIMM card. If memory problems occur intermittently, use the loop option to repeat the test. When the test detects an error, an error log is printed on the printer connected to the parallel port. See "Error Log" on page 293 for more information. System Programs in Flash Memory: System setup programs and diagnostic tests are stored in flash memory. ThinkPad 560 (2640) 269