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Why the caps lock and scroll light keep on blinking without entering to the window

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The lock leds are used by some computer manufacturers as an error indicator. if you are unable to boot up and the lock LED's for caps and scroll are constantly flashing then it would indicate that your computer has most likely encountered a hardware error preventing it from loading. if you can add a comment with the manufacturer and model of your computer I can help you check the error

Posted on Mar 26, 2011

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  • Karim Rogers Jun 14, 2011

    The model is a pavilion dv4

  • jai2968 Apr 05, 2012

    i have compaq presario cq41 and when I tried to turn it on, it wont boot up. The caps lock and scroll/num lock keeps blinking? any idea?

  • green18viole
    green18viole Jan 19, 2015

    i had dell d410 the caps lock keeps flashing then totally turn off well... actually it can't turn on please help.. thanks

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My inspiron 1525 won't boot, the scroll light and caps lock blink


Remove 1 stick of ram and turn on, if no! take out the second one and put back the first, and power on, if okay you know the 1 stick is bad. Remove main battery and power on, "long shot" if no change chances are it is a motherboard issue.

Mar 10, 2012 | Dell Inspiron 1525 (dndppa1_3) Intel Core...

2 Answers

My laptop screen is black and caps lock and scroll key are flashing


That is a security configuration on HP Laptops, depending on the way they blink is the problem your machine has.

Here is the web page where this info is posted, in case you need more info, hope this helps you to determain.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01443366&lc=en&dlc=en&cc=uk&lang=en&rule=26781&product=3816592
This document pertains to HP Notebook PCs with the HP Unified Extensible Firmware Interface (UEFI) beginning in late-2008. On startup, you may see a blank screen. If the diagnostic utilities detect a specific problem with hardware components, the fan turns on, but the screen remains blank. To help identify the cause of the problem, various LED lights on the keyboard blink a series of codes. The diagnostic utilities use the LEDs near the Num Lock or Caps Lock keys to blink a series of error codes. At the end of the series the blinking stops. The pattern of blinks will occur any time you attempt to start the computer until the error is resolved. Battery power LED blinks The Battery power LED indicates the condition of the power supply. When starting the computer, or when the computer is in operation, use the chart to identify the power condition. Battery Power LED Component Tested Error Condition Battery power LED off, and Caps Lock/Num Lock off Battery or AC Adapter AC adapter not connected or failure

Battery low charge or failure Battery power LED blinking Battery Insufficient charge on the battery When new computer is used for first time, the white LED light for the AC power connector blinks. Battery is still in "Shipping Mode", the light continues to blink even when AC power is connected.

To resolve, turn off notebook, connect AC power and allow battery to charge for at least 30 minutes, then start computer. LEDs near Caps Lock and Number Lock keys blink when starting notebook The LED lights near the Caps Lock and Num Lock keys will blink if an error is detected during the start up process. The LEDs will blink a number of times in a sequence and then stop. The number of blinks in the sequence indicates what component caused an error when it was being tested during start up. If the LEDs stop blinking and the computer does not start, you can press the power button again to repeat the tests. Count the number of blinks, and use the chart to identify the error condition. Knowing the number of blinks is helpful when you contact an HP support agent for technical help. Caps Lock/Num Lock LED Component Tested Error Condition LEDs blink 1 time CPU CPU not functional LEDs blink 2 times BIOS BIOS corruption failure LEDs blink 3 times Memory Module error not functional LEDs blink 4 times Graphics Graphics controller not functional LEDs blink 5 times System board General system board failure LEDs blink 6 times BIOS BIOS authentication failure

Dec 01, 2011 | HP Computers & Internet

2 Answers

My laptop presario cq40's monitor is not displaying anything. but caps lock key and scroll lock is blinking automatically


my laptop presario cq40's monitor is not displaying anything. but caps lock key and scroll lock is blinking automatically

Jul 08, 2010 | Compaq Computers & Internet

4 Answers

My laptop does no more boot up. As soon as i start , the caps lock and the scroll lock lights keep flashing continuously and the fan even does not run.


Well hellonihar, As far as your issue is concerned it seems to be some hardware issue. LED
Component
Error Condition
Blinking battery power LED
Battery
Insufficient charge on the battery
Blink: 1 - Caps Lock/Num Lock
CPU
CPU not functional
Blink: 2 - Caps Lock/Num Lock
BIOS
BIOS corruption failure
Blink: 3 - Caps Lock/Num Lock
Memory
Module error not functional
Blink: 4 - Caps Lock/Num Lock
Graphics
Graphics controller not functional
Blink: 5 - Caps Lock/Num Lock
System board
General system board failure
Blink: 6 - Caps Lock/Num Lock
BIOS
BIOS authentication failure

Apr 19, 2010 | HP Pavilion dv5-1000us Notebook PC

1 Answer

Will not boot


click here to find the details.

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Oct 02, 2009 | Dell Inspiron 1501 Notebook

1 Answer

Caps lock an d scroll lock lights keep blinking


hello my friend, try to check the connector of your keyboard to check the status of your device. If its ok then try to used another keyboard maybe the device has a problem.

Jun 16, 2009 | HP Pavilion dv4t Entertainment PC - 2.4...

2 Answers

BLINKING Num Lock, Caps Lock & Scroll Lock


Put the RAM back in or check the RAM in securely

Apr 13, 2009 | E-Machines AAFQ50400000K0 Keyboard

2 Answers

HP Pavilion dv4 not booting up, has blinking caps and scroll lock


Compaq and Hp are having issues with several models, My wife just got hers repaired free out of warranty. Go to copaqs website, look up your model and see if it is one they are offering free one time repairs on. Wife's computer was doing same thing, they replaced the motherboard. Took about 2 weeks round trip . Good luck

Feb 02, 2009 | HP Pavilion dv4000 Notebook

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