Lenovo ThinkPad T490s 20NX000ege is dead
Lenovo ThinkPad T490s 20NX000ege won`t start up issue
You want to fix won`t start up, won`t boot up laptop and you don`t know from where to start? No fan spinning? No led`s? No blinking led
Lenovo ThinkPad T490s 20NX000ege Then we can help you with that.
Solution 1. (from easy to hard)
Remove the laptop battery, plug the power cord and try to start laptop. Not starting? Then remove the power cord, insert battery and turn the laptop on.
Lenovo ThinkPad T490s 20NX000ege won`t start up issue, this first solution not working ?
Solution 2.
Test power adapter to see if the battery can be charged (see here guide)
Now, if the power adapter have more than 18 volts, is not broken and you need another test.
Lenovo ThinkPad T490s 20NX000ege won`t start up issue
Solution 3.
You need to remove:
Lenovo ThinkPad T490s 20NX000ege Hard Disk (HDD) and RAM (ram module)
How to do that? Get a screwdriver and is the only tool that you need.
Picture 1, remove the HDD and try to start the laptop without HDD.
If is not working, next remove RAM
Lenovo ThinkPad T490s 20NX000ege won`t start up issue
Lenovo ThinkPad T490s 20NX000ege won`t start up issue
How to remove RAM Module for Lenovo ThinkPad T490s 20NX000ege
Lenovo ThinkPad T490s 20NX000ege won`t start up issue
Now, try to boot laptop without RAM and HDD
If the laptop display will show you something, keep the power button until laptop will shut down automaticaly, insert hdd and ram back and start it normaly.
Also do that if you hear a bip sound.
Solution 4.
If the led`s working and also you hear the fan or hdd noise, you can connect a TV or Monitor through VGA (blue port) or throug HDMI.
If is working fine on TV or Monitor, you need to change laptop display.
For won`t wake up issue, you need to re-install display graphics driver from here:
Conclusion
If none of these solutions not work, then you have hardware problems like:
Lenovo ThinkPad T490s 20NX000ege won`t start up issue Power source is damaged
Lenovo ThinkPad T490s 20NX000ege won`t start up issue Motherboard is broken
Both can be changed, but the motherboard is not cheap!!
What you say about this guide?
Lenovo ThinkPad T490s 20NX000ege won`t start up issue
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Lenovo ThinkPad T490s 20NX000ege won`t start up issue updated today on: 2020-03-02
Fix Lenovo ThinkPad T490s 20NX000ege won`t start up issue