Dell Latitude CP, Reference And Troubleshooting Manual

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3-24 Dell Latitude CP Reference and Troubleshooting Guide
To remove a memory module, carefully spread apart
the inner metal tabs of the memory module socket just
far enough for the memory module to disengage from
the socket (the module should pop up slightly). Then lift
the memory module away from the socket.
To reinstall a memory module, align the memory
module’s edge connector with the slot in the center
of the memory module socket. Press the memory
module’s edge connector firmly into the socket.
Pivot the memory module down until it clicks into
place. If you do not hear a sharp click, remove the
memory module and reinstall it.
NOTE: Memory modules are keyed, or designed, to
fit into their sockets in only one direction. The sock-
ets on the system board are notched so that the
memory module can be firmly seated only one way.
3. Turn on your computer, and press the <Fn><F1>
key combination to open the System Setup pro-
gram. Does the memory total displayed in the
System Setup program match the actual amount
of memory installed in the computer?
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 run-
ning 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 Chap-
ter 5 and fill it out as you complete the following
procedure.
NOTES: The highest video resolution supported by the
built-in display on the Dell Latitude CP M133ST,
M166ST, and M233ST is 800 x 600 pixels. The highest
resolution supported by the built-in display on the
Dell Latitude CP M233XT is 1024 x 768 pixels. If your
application program requires a higher resolution, attach
an external monitor to the computer.
1. Press the <Fn><F8> key combination several
times. Does an image appear on the built-in
display?
Yes. The video image was being sent to an external
monitor. The problem is resolved.
No. Go to step 2.
2. If the computer is running, press the power but-
ton to exit suspend mode or to reactivate the
display. Is the full display readable?
Yes. The computer was in suspend mode, or the dis-
play time-out feature was activated. The problem is
resolved.
No. Continue to step 3.
3. If the computer is running, is the battery indica-
tor showing a steady amber light?
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 the power button. If the dis-
play is still not readable, continue to step 4.
No. Continue to step 4.
4. Turn off the computer and any attached periph-
erals. Disconnect all peripherals from the
computer.
5. Make sure the AC adapter is firmly connected to
the computer and to an AC power source, or ver-
ify that a fully charged battery is properly seated
in its compartment.
6. Turn on the computer. Is the display on?
Allow one minute for the computer to initialize its
components.
Yes. Continue to step 7.
No. Go to step 9.
7. Press the <Fn> down-arrow or <Fn> up-arrow key
combination to adjust the brightness. Is the full dis-
play readable?
Yes. Continue to step 8.
No. Go to step 9.