When you power on a laptop, it goes through a set of diagnostic test to make sure all components are working correctly, the process which it goes through to perform this action is called POST or power on self test.
Whenever any of the test fails while powering on the laptop is program to notify the user with POST codes which includes beep codes , light codes.
For diagnosis of beep codes, you need to restart the laptop if it is already on or listen to the numbers of beep codes to identify where the problem is coming from.
How to identify Dell Inspiron 15R beep codes
In other to rectify the issue with beep codes, you need to understand what each beep codes means, below are the list of Dell Inspiron 15R (N5110) Beep Codes.
Possible number of beep
|
Description
|
Possible causes
|
1
|
BIOS ROM checksum in progress or failure
|
System board failure, covers BIOS corruption or ROM errors.
|
2
|
No Memory (RAM) detected
|
Memory or Memory slot failure
|
3
|
chipset Error (North and South bridge error, DMA/IMR/Timer error)
Time-Of-Day Clock test failure
Gate A20 failure
Super I/O chip failure
Keyboard controller test failure
|
System board failure
|
4
|
Memory read / write failure
|
Memory failure
|
5
|
Real Time Clock (RTC) power fail
|
CMOS battery failure
|
6
|
Video BIOS test failure
|
Video subsystem failure
|
7
|
CPU Cache test failure
|
Processor failure
|
8
|
LCD
|
Also read
It's one thing to identify where the fault comes from and it's another thing to solve the problem, in case they might be too complicated for you, I'll suggest you take your Inspiron 15R (N5110) to a computer engineer for possible fix but if you can handle it then this are the common fix of Inspiron 15R (N5110) beep codes.
Common fix of Dell Inspiron 15R beep codes
1 Beep: Replace the motherboard
2 Beeps: clean and reseat the memory or replace the memory.
3 Beeps: Replace the motherboard
4 Beeps: clean and reseat the memory or replace the memory.
5 Beeps: Replace with new CMOS battery.
6 Beeps: Replace the video card or replace the motherboard
7 Beeps: Reseat or replace the CPU.
8 Beeps: Reseat the LCD cable or replace the LCD screen.
In the case of replacing with new motherboard, you can contact a laptop engineer to see if there is anything that can be done to fix it, if you're in Lagos, Nigeria you can contact me to check and fix your Dell Inspiron 15R (N5110) laptop for you at affordable price.Reach me via email, udeme.peter5@gmail.com.
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