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You need to power cycle your LCD moniter, and then disconnect the display cable of your LCD from your system and see if yor LCD is doing the self test, if that is passing the self test that means there is nothing wrong with your LCD you need to check your system espeacially display adaptor and the drivers, you can also cross check if you have any other monuiter at home.
If your LCD moniter does not pass the self test then it means it has crashed you need to get it repaired or get the new one.
More than likely it is the battery. These units simply test the voltage during the self test, and, although not typical, the battery voltage could be good without a load, but fail with a load. 3 years is generally the life span of SLA batteries. Replacement batteries are fairly inexpensive and can be found at: http://batteryinternational.com/ups-batteries-apc-batteries.html
The issue might be due hardware malfunction or lack of system performance or corrupt os.
perform hard drive self test:
Hard Drive Self Test: 1.If the notebook computer is running solely on battery power, plug the AC adapter into the notebook. 2.Shut down the computer if it is running. 3.Press the power button to turn on the computer. 4.Press f10 when the HP/Compaq logo displays. 5.After the BIOS Setup Utility displays, use the Right Arrow key to select the Diagnostics menu. 6.Select HDD Self-Test options . 7.Press enter to display a list of HDD/Self-Test options. 8.Select Notebook Hard Drive and then press f10 to display an Estimated test time . 9.Press f10 to continue. The Hard Drive Self Test executes a Quick test , a Comprehensive test, and a SMART test.
Electronic Automatic Temperature Control Module Self-Test
The EATC module self-test will not detect concerns associated with data link messages like engine coolant temperature or vehicle speed signals. A diagnostic tool must be used to retrieve these concerns.
The EATC module self-test will detect concerns in the system control functions and will display hard diagnostic trouble codes (DTCs) in addition to intermittent diagnostic trouble codes for concerns that occur during system operation. The vehicle interior temperature should be between 4°-32°C (40-90°F) when carrying out the self-test. If the temperatures are not within the specified ranges, false in-car temperature sensor DTCs will be displayed.
The self-test can be initiated at any time. Normal operation of the system stops when the self-test is activated.
To enter the self-test, press the OFF and FLOOR buttons simultaneously and then press the AUTOMATIC button within two seconds. The display will show a pulse tracer going around the center of the display window. The test may run as long as 30 seconds. Record all DTCs displayed.
If any DTCs appear during the self-test, follow the diagnostics procedure given under ACTION for each DTC given.
If a condition exists but no DTCs appear during the self-test, GO to Symptom Chart Condition: The EATC System Is Inoperative, Intermittent or Improper Operation.
To exit self-test and retain all intermittent DTCs, push the blue (cooler) button. The control will exit self-test, retain all intermittent diagnostic trouble codes and then turn OFF (display blank).
To exit the self-test and clear all DTCs, press the DEFROST button. The vacuum fluorescent display window will show 888 and all function symbols for one second. Then, the EATC control assembly will turn OFF (display blank) and all DTCs will be cleared.
Always exit the self-test before powering the system down (system turned OFF).
Intermittent DTCs will be deleted after 80 ignition switch ON cycles after the intermittent condition occurs.
Hi,
Try printing a self-test page... to do that please follow below instructions...
Printing a self-test page
Follow these steps to print a self-test page from the control panel. Make sure paper is loaded correctly in the product before beginning the procedure.
Press and hold the power button ( ), and then press the cancel button ( ).
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