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HP 15c Passes self test but screen flashes - wont turn off

Passes self test but screen flashes and buttons may be inoperative. Does not turn off It is a 15c - couldnt find that in your list of products

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Hello,
You can get rid of the flashing (usually due to memory overflow) by pressing [<-- left arrow] [ON] or [g] [CF] 9.
If you want to reset permanent memory
1.Press and hold [ON] then press [-]
2. release the [ON] key, then the [-] key.
Screen displays Pr Error.
Press any key to clear display.
Hope it helps.

Posted on Sep 25, 2009

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Posted on Jan 02, 2017

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HP 15C commas and decimals interchanged


Turn the calculator off, press and hold the decimal point key, press ON, then release both keys.

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The battrey leds stay flashing i changed battries also the led still flashing


Automatic: The UPS performs a self-test automatically when turned on, and every

two weeks thereafter (by default). During the self-test, the UPS briefly operates the

connected equipment on battery.
Manual: Press and hold the button for a few seconds to initiate the self-test

REPLACE BATTERY LED ILLUMINATES

Replace Battery LED flashes and

short beep is emitted every two

seconds to indicate the battery is

disconnected.

Check that the battery connectors are fully engaged.

Weak battery. Allow the battery to recharge for 24 hours. Then, perform a self-test. If the

problem persists after recharging, replace the battery.

Failure of a battery self-test. The UPS emits short beeps for one minute and the Replace Battery LED

illuminates. The UPS repeats the alarm every five hours. Perform the self-test

procedure after the battery has charged for 24 hours to confirm the Replace

Battery condition. The alarm stops and the LED clears if the battery passes the
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1 Answer

I am looking for the A/C fuse for a Ford mustang gt 2002


manual system

  • Blown fuse(s):
  • Battery junction box (BJB) F26 (65A).
  • Central junction box (CJB) F33 (20A), F36 (7.5A), F37 (10A), F39 (20A), F45 (15A), F47 (15A), F58 (10A) or F59 (7.5A).
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  • Disconnected electrical connectors.
  • Engine cooling fan inoperative.
  • Damaged control switch(es) or climate control panel.
  • Circuitry open or shorted.

Electronic Automatic Temperature Control Module Self-Test
  • NOTE: The vehicle interior and exterior temperatures should be between 10° - 32.2°C (50° - 90°F) when carrying out the self-test. If the temperature is not within the specified range, false in-vehicle temperature sensor DTCs will be displayed.
    The EATC module self-test will detect concerns in the system control functions and will display hard diagnostic trouble codes (DTCs) in addition to continuous diagnostic trouble codes for concerns that occur during system operation.
  • The self-test can be initiated at any time. Normal operation of the system stops when the self-test is activated.
  • NOTE: The key must be in the RUN position to enter the self-test.
    To enter the self-test, press the OFF and floor position buttons simultaneously and then press the AUTOMATIC button within two seconds. The display will show a pulse tracer around the center of the display window. The test may run as long as 30 seconds. Record all DTCs displayed.
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  • If a condition exists but no DTCs are retrieved during the self-test, proceed to Symptom Chart.
  • To exit self-test and retain all continuous DTCs, push the blue (cooler) TEMP button. The module will exit self-test, retain all continuous DTCs and then turn off (display blank).
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1 Answer

During reformat hp pavilion dv6-1251nr reboots and the screen goes blank, har drive seek light goes out


Shut down the computer.
Turn on the computer tapping F10 key on your keyboard.
You will see BIOS comming up.
Go to the option SMART and Run HDD Self Test.
If it passes then get another set of recovery disk for HP Pavilion.
If test fails, replace hard drive.

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1 Answer

My T23 has been wiped clean, all I get is a flashing bar. What do I do? PLEASE HELP!!!!!!


Go into the BIOS.

Instructions : Keep tapping on the F10 As soon as you push the power button. You might get a screen saying BIOS and also a dialog message saying that save configuration changes . Choose no and press enter. THe mouse does not work on the screen. use the direction keys on the keyboard. Choose diagnostics which would be on the top right corner. See the primary hard drive self test. Do the test. See if it passes or fails. If failed please replace hard drive. If it passes . Then we can try reinstallin the OS.

Hope you have the recovery cds.

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1 Answer

My HP 15C calculator recently developed a problem with the number pad being unresponsive. Calculator appears to pass the self test, however, the key pad test does not work at all. Suggestions for repair?


If the keyboard test fails the calculator should be sent for repairs. One shop in Pennsylvania repairs most models, except the newer ones. The URL is www.fixthatcalc.com. Best of luck!

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1 Answer

HP Digital Camera R717 Charging Flash Error


Try to run self-diagnostics test - press flash button while switching the camera on. One of them tests the flash functionality.

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1 Answer

HP R732 FLASH DOESNT WORK


Try to run self-diagnostics tests - press flash button, while turning on the camera. One of the tests checks the flash functionality.

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The camera turns on and takes pictures but the flash doesn't work. I saw the number 403 on the screen when I was trying to figure out the problem.


Try to run self-diagnostics tests - press flash button while switching on the camera. One of the tests verifies the flash functionality.

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1 Answer

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GO ON LINE AND TYPE THE FOLLOWINF INFORMATION IN THE ADDRESS BAR:

HP PSC 2175 ALL-IN-ONE INKJET PRINTER FLASHS SELF TEST MODE OVER AND OVER
ENTER

SEE IF ANYONE ELSE HAS EVERY SEEN THIS PROBLEM BEFORE

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