Dell Latitude XPi CD w Reference Guide - Page 66
Troubleshooting the Built-In Display, > or <
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NOTE: Memory modules are keyed, or designed, to fit into their sockets in only one direction. The sockets on the system board are notched so that the memory module can be firmly seated only one way. 3. Turn on your computer. Does the RAM count complete? Yes. A memory module was loose; the memory check phase is now OK. No. Continue to step 4. 4. Run the Dell diagnostics. For instructions, see Chapter 4, "Running the Dell Diagnostics." If you get any error messages when running the tests, call Dell for technical assistance. (See Chapter 5, "Getting Help," for instructions.) Troubleshooting the Built-In Display If the computer is receiving power, but nothing appears on your display (such as light, text, or graphics) or the display image does not appear as you would expect, make a copy of the Diagnostics Checklist found in Chapter 5 and fill it out as you complete the following procedure. NOTES: Before you begin this procedure, make sure that the SYSTEM SWITCH option in the System Setup program is set to ON/OFF. For instructions, see "Using the System Setup Program" in Chapter 2. The highest video resolution supported by your built-in display is 800 x 600 pixels. If your application program uses a higher resolution, you must attach an external monitor to your computer. 1. If the computer is running, press a key to exit standby mode or suspend mode or to reactivate the display. Is the full display readable? Yes. The computer was in standby or suspend mode, or the display time-out feature was activated. The problem is resolved. No. Continue to step 2. 2. If the computer is running, is the low-battery indicator blinking? Yes. The display turns off when the final low-battery warning occurs. Replace the battery or connect the computer to alternating current (AC) power through the AC adapter. Press a key on the keyboard. If the display is still not readable, continue to step 3. No. Continue to step 3. 3. Turn off the computer and any attached peripherals. Disconnect all peripherals from the computer. 4. Make sure the AC adapter is firmly connected to the computer and to an AC power source, or verify that a fully charged battery is properly seated in its compartment. 5. Turn on the computer. Is the display on? Allow one minute for the computer to initialize its components. Yes. Continue to step 6. No. Go to step 8. 6. Use the or key combination to adjust the brightness. Use the or key combination to adjust the contrast. Is the full display readable? NOTE: Contrast cannot be adjusted on the activematrix color display. Yes. Continue to step 7. No. Go to step 8. 7. Has an error message appeared on the display, or has a beep code sounded? Yes. Refer to Table 3-2 or Table 3-3 to find the message or beep code, respectively, along with its explanation. If you can't find the message or code, call Dell for technical assistance. (See Chapter 5, "Getting Help," for instructions.) No. If you still have a display problem but the display is not completely blank, run the Video Test Group in the Dell diagnostics. (See Chapter 4, "Running the Dell Diagnostics," for instructions.) Then call Dell for technical assistance. (See Chapter 5, "Getting Help.") 8. Turn off your computer, and connect an external monitor to the computer. Follow the procedure in the topic titled "Connecting an External Monitor" in the online System User's Guide. 3-26 Dell Latitude XPi CD Reference and Troubleshooting Guide