Dell Precision M40 - Manual (Page 67)

the computer.
2. Ground yourself by touching one of the metal connectors on the back of the computer.
3. Remove any
installed batteries .
Wipe off each battery and store it in a safe place to dry.
4. If the modular bay is wet, remove the device from the bay. If the PC Card slot is wet, remove any PC Cards . Put
the device and cards in a safe place to dry.
5. Remove the hard drive .
6. Remove the memory module(s) .
7. Open the display, and place the computer across two books or similar props to let air circulate all around it. Let
the computer dry for at least 24 hours.
Place the computer in a dry area at room temperature. Do not use artificial means to speed up the drying
process.
CAUTION: Before continuing with this procedure, verify that the computer is thoroughly dry.
8. Ground yourself by touching one of the unpainted metal connectors on the I/O panel.
9. Replace the memory module(s).
10. Replace the memory module cover.
11. Reinstall the hard drive.
12. Reinstall the modular bay and PC Cards that you removed.
13. Replace any batteries that you removed.
14. Reconnect the computer and peripherals to an electrical outlet and turn them on.
15. Does the computer work properly?
Yes. The problem is resolved.
No. If the computer is able to boot, run the Dell Diagnostics to identify computer damage. If the computer
is unable to boot, see " No Power at All ." If you cannot identify the damaged component(s), call Dell for
technical assistance.
Dropped or Damaged
Computer 1. Save and close any open files, exit any open application programs, and shut down the computer.
2. Disconnect the AC adapter from the electrical outlet and disconnect the AC adapter from the computer. Turn off
any attached devices and disconnect them from the electrical outlet and then from the computer.
3. Ground yourself by touching one of the metal connectors on the back of the computer.
4. Remove any
installed batteries or other devices from the modular bay .
5. Remove the hard drive .
6. Remove the memory module cover and the memory module(s).
7. Reinstall the memory modules, making sure to seat them properly.
8. Replace the memory module cover.
9. Reinstall the hard drive.
10. Verify that any installed PC Cards are properly seated in the PC Card connectors.
11. Reinstall the battery or other device(s) removed from the modular bay. Verify that the device(s) is seated
properly.
12. Reconnect the computer and peripherals to the electrical outlet and turn them on.
13. Run the
Dell Diagnostics to verify that the computer is operating properly.
14. If the computer does not operate properly, fill out the Diagnostics Checklist . Then call Dell for technical
assistance.
No Power at All
If you don't have any
power, none of the
lights on the keyboard light
up and you don't hear
sounds from any drives. See
also "
Only Partial Power ."
Fill out the Diagnostics Checklist as you perform the following steps:
1. Connect the AC adapter to the computer and to an electrical outlet.
2. Remove all devices, including internal devices such as the floppy drive , hard drive , and battery .
3. Turn on the computer.
4. Does the computer turn on properly?
Yes. The problem is resolved.
No. Go to Step 5.
5. Turn off the computer. Does the light appear?
Yes. Go to step 6.
No. Go to step 7.
6. Remove any installed batteries and disconnect the AC adapter. Then reinstall the batteries, reconnect the AC
adapter, and turn on the computer. Does the light appear?
Yes. Go to step 8.
No. Go to step 7.