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Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Troubleshooting
This section provides troubleshooting information for Compaq Presario 1600XL Series
Portable Notebook. The basic steps in troubleshooting include:
1. Preliminary Steps
2. The Power-On Self Test (POST)
3. The recommended actions described in the diagnostic tables in case you are unable to
run POST, or if POST displays an error message.
When following the recommended actions in the Sections on Power-On Self Test (POST)
and Diagnostic Error Codes
, perform the steps in the order listed above. Rerun POST after
each recommended action until the problem is solved, and if no error message occurs.
Once the problem is solved, do not continue with any recommended actions remaining.
Note: If the problem is intermittent, check your computer several times to verify that
the problem is solved.
Preliminary Steps
Before running Power-On Self Test (POST), complete the following steps:
1. If a Power-on password is established, type the password and press the Enter key. If
you do not know the password, clear the password (See Clearing the Power-On
Password).
2. Run Compaq Diagnostics
3. Turn off the computer and its external devices.
.
4. Disconnect any external devices that you do not want to test. Do not disconnect the
printer if you want to test it or use it to log error messages.
Important: If the problem only occurs when an external device is connected to the
computer, the problem may be related to the external device or its cable. Verify this by
running POST both with and without the external device connected.
5. Install loopback plugs in the serial and parallel connectors if you would like to test
these ports.
6. Ensure that the hard drive is installed in the Notebook.
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Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
7. Ensure that the battery pack is inserted in the Notebook and that it is connected to an
external AC power source.
POST
When these preliminary steps are completed, you are ready to run
.
Clearing the Power-On Password
Note: Clearing the Power-on password also removes all notebook Setup attributes that
are programmed in the CMOS.
If you do not know the password, clear it by performing the following steps:
1. Turn off the computer.
2. Disconnect the power cord.
3. Remove the battery pack
4. Remove the keyboard
5. Remove the LED button bezel
Disconnect the backlight cable from the connector on the system board
6.
.
.
.
Continued on next page.
.
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RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1600XL S
ERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
7. To clear the password, remove the RTC battery for 10 seconds. Simultaneously make
contact with the two pads located at R37 on the system boarding, using a conductive
piece of material such as a piece of wire or tool.
8. Reassemble the Notebook.
9. Turn on the Notebook to verify that the power-on password has been cleared. If it has
not been cleared, repeat Steps 1 through 7.
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Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Power-On Self Test (POST)
To run POST, complete these steps:
Turn off the Notebook, then turn it on again. As soon as the Compaq logo appears, press
the ESC key to clear the logo and display the POST messages as they occur.
If the Notebook does not beep, POST has successfully completed its test and detected no
errors. POST then reboot from the hard drive, or from a bootable diskette if one is installed
in the diskette drive.
However, if POST detects errors, these are indicated by messages displayed on the screen
and/or audible messages. A list of the POST error codes and what they mean is shown in
the table below.
Note: If the system is not functioning well enough to run POST, or if the display is not
functioning well enough to show POST error messages, refer to the Troubleshooting
Tables.
Power-On Self Test Messages
102-System Board Failure
Probable CauseRecommended Action
DMA, timers, etc.Replace the system board.
162-System Options Not Set
Probable CauseRecommended Action
Incorrect configurationRun Computer Setup.
CMOS reflects an invalid
Run Computer Setup.
configuration setting.
RAM failure
1. Replace the memory
modules.
2. Replace the system board.
Memory test data error
1. Replace the memory
modules.
2. Replace the system board.
XX000YZZ RAM failureReplace the system board.
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RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1600XL S
ERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
XX000YZZ 201-Memory Error
Probable CauseRecommended Action
Keyboard failure
301-Keyboard Error
Probable CauseRecommended Action
Keyboard failure
304-Keyboard or System Unit Error
Probable CauseRecommended Action
Keyboard or system board
error
1. Ensure that no keys are
pressed during POST.
2. Reconnect the keyboard
with the
Notebook
off.
3. Replace the keyboard.
1. Ensure the keys are not
pressed during POST.
2. Reconnect the keyboard
with the
Notebook
off.
3. Replace the keyboard.
1. Replace the keyboard.
2. Replace the TouchPad or
mouse.
3. Replace the system board.
601-Diskette Controller Error
Probable CauseRecommended Action
Mismatch in drive type or
failure in the diskette
controller
Probable CauseRecommended Action
Mismatch in drive typeRun Computer Setup.
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RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1. Run Computer Checkup
(TEST).
2. Check or replace cables.
3. Replace the system board.
605-Diskette Drive Error
1600XL S
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Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
1780-Primary Hard Drive 0 Failure
Probable CauseRecommended Action
Disk 0 failed to respond
Hard drive format error
1782-Hard Drive Controller
Probable CauseRecommended Action
Hard drive controller failure
1. Run Computer Checkup
(TEST).
2. Replace the hard drive.
1. Run Computer Checkup
(TEST).
2. Replace the hard drive.
1. Run Computer Setup.
2. Replace the hard drive.
Compaq Diagnostics
Compaq Diagnostics is installed on the hard drive of the Notebook. Run the Diagnostic
utilities when you want to view or test system information and if you have installed or
connected devices. If you run Compaq Diagnostics from a diskette, ensure that the
diagnostic program is version 10.11 or later.
The Diagnostics menu includes the following utilities:
•Computer Checkup (TEST)
•View System Information (INSPECT)
•Diagnostic Error Codes
•Troubleshooting without Diagnostics
•Before Replacing Parts
•Solving Minor Problems
•Solving Hard Drive Problems
•Solving Hardware Installation Problems
•Solving Keyboard/Numeric Keypad Problems
•Solving Memory Problems
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RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1600XL S
ERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
•Solving PC Card Problems
•Solving Power Problems
•Solving Printer Problems
•Solving TouchPad/Pointing Device Problems
•Contacting Compaq Support
If you have a problem you cannot solve, run the Diagnostics utilities before calling for
support. Run Computer Checkup and select to save the device list to a file and to print or to
save the log of errors. Run the View System Information (INSPECT) utility and select to
print or to save that information. Have the files or the printed information available when
you call for support.
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Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Computer Checkup (TEST)
Computer Checkup (TEST) determines if the various computer components and devices are
recognized by the system and are functioning properly. You can display, print, or save the
information generated by Computer Checkup.
Follow these steps to run Computer Checkup:
1. Plug the Notebook into an external power source. (A low battery condition could
interrupt the program.)
2. Turn on the external devices you want to test. Connect the printer if you want to print
a log of error messages.
3. Insert the Compaq Diagnostics diskette in drive A.
4. Turn on or restart the Notebook. The notebook starts from drive A, and the
Diagnostics Welcome screen is displayed.
5. Press Enter to continue. The Diagnostics menu is displayed.
6. Select Computer Checkup from the Diagnostics menu. A Test Option menu is
displayed.
7. Select View the Device List from the Test Option menu. A list of the installed
Compaq devices is displayed.
8. If the list of installed devices is correct, select OK. The Test Option menu is displayed.
Note: If the list is incorrect, ensure that any new devices are installed properly.
Select one of the following from the Test Option menu:
•Quick Check Diagnostics. Runs a quick, general test on each device with a
minimal number of prompts. If errors occur, they are display when the testing is
complete. You cannot print or save the error messages.
•Automatic Diagnostics. Runs unattended, maximum testing of each device with
minimal prompts. You can choose how many times to run the tests, to stop on
errors, or to print or save a log of errors.
•Prompted Diagnostics. Allows maximum control over testing the devices. You
can choose attended or unattended testing, decide to stop on errors, or choose to
print or save a log of errors.
9. Follow the instructions on the screen as the devices are tested. When testing is
complete, the Test Option menu is displayed.
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RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1600XL S
ERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
10. Exit the Test Option menu and the Diagnostics menu.
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Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
View System Information (INSPECT)
The View System Information (INSPECT) utility provides information about the Notebook
and installed or connected devices. You can display, print, or save the information.
Follow these steps to run View System Information (INSPECT) from the Compaq
Diagnostics diskette:
1. Turn on the external devices you want to test. Connect the printer if you want to print
the information.
2. Insert the Compaq Diagnostics diskette in drive A.
3. Turn on or restart the Notebook. The Notebook starts from drive A, and the
Diagnostics Welcome screen is displayed.
4. Press Enter to continue. The Diagnostics menu is displayed.
5. Select View System Information (INSPECT) from the Diagnostics menu.
6. Select the item you want to view from the following list:
SystemMemory
ROMAudio
KeyboardOperating system
System portsSystem files
System storageWindows files
Graphics
7. Follow the on-screen instructions to cycle through the screens, return to the list and
choose another item, or print the information.
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RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1600XL S
ERIES
Presario 1600XL Series
Model 1600T, 1600-XL140, 1600-XL141, 1600-XL142, 1600-XL143, 1600-XL144,
1600-XL146, 1600-XL147, 1600-XL150 XL156, XL157, XL255, XL256, XL257, and XL258
Diagnostic Error Codes
Diagnostic error codes are displayed if the system recognizes a problem while running the
Compaq Diagnostic program. These error codes help identify subassemblies with possible
damage or defects.
The following tables list error codes, a description of the error condition, and the action
required to resolve the error condition.
Important: Retest the system after completing each step. If the problem is resolved, do
not proceed with the remaining steps.
For the removal and replacement of a particular subassembly, see Removal and
Replacement Procedures.
Select error codes by number or type:
101 through 114 (pg 12)Processor Test
200 through 215 (pg 13
300 through 304 (pg 13
401 through 403 (pg 13
501 through 516 (pg 16
600 through 699 (pg 14
1101 (pg 14
)Serial Test
)Memory Test
)Keyboard Test
)Parallel Printer Test
)Video Test
)Diskette Drive Test
1701 through 1736 (pg 15
2402 through 2456 (pg 17
2419 through 2456 (pg 18
2458 through 2480 (pg 18
3206 (pg 19
)Audio Test
3301 through 6623 (pg 19
8601 through 8602 (pg 19
)Hard Drive Test
)Video Test
)Video Test
)Video Test
)DVD or CD Test
)TouchPad Pointing Device Test
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