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You need to check the RAM of your Acer Laptop to be sure they are firmly fixed to the board. You may also consider replacing the RAM with a working RAM to be sure. Once that is eliminated your screen should have a display. If the problem persist, you need to open up your laptop screen and make sure the display cables are well seated too. This should resolve the problem.
First of all we need to check the RAM of the Laptop/PC. Still display not coming then we need to check the monitor.
1. Disconnect everything
2. Unplug power
3. Remove battery
3. Push one Minute start button to eliminate remaining current
4. Reconnect everything
5. Push the start button
Two main reasons are
1. RAM may be a problem, may be one slot is not working, try to remove every slot and put it again, then restart the laoptop.
2. It may be the problem with the laptop lcd screen, power supply or something damage
Check peripheral devices, booting option and then RAM
There are several issues regarding of no display:
1) RAM issue: Check the RAM removing from slot placing in different RAM slot, first clean the RAM slot with anything that is soft like brush so no dust particles in there If still doesn't work swap the RAM by inserting any working RAM and check.
2) Hardware issue: First remove the LCD display frame check the video cable connected to LCD is not lose if still insist use multimeter check the 10volt DC coming in flv inverter or not. Swap each parts LCD Screen and video cable
3) Motherboard issue: If anything any metal touching crossconnection like any short removes and clean the board. Check the VGA chip section 5v dc showing multimeter or not
First of all we should check jeck of vga cable of laptop and then check lcd's stip.
WE HAVE TO CHANGE THE SOME SETTING OF COMPUTER WE HAVE TO CLOSE AUTOMATIC BOOTING OPTION FROM THE PC IF PROBLEM NOT SOLVE THAT IT MEANS THIS THE HARDWARE PROBLEM AND WE HAVE TO TROUBLESHOOT OUR COMPUTER
1.check your laptop screen, and how to check it restart it again and press F1 button or deleted button to see the BIOS or boot device if doesn't appear maybe your screen need to repair
2.if is appear the boot device or BOIS Maybe some of your hardware laptop is need to cleanning the ram is important and some dust of your motherboard you should clean it.
Test The RAm First !
Once that is eliminated your screen should have a display. If the problem persist, you need to open up your laptop screen and make sure the display cables are well seated too. This should resolve the problem.
If it is actually "booting" then GPU or display screen is deffective, also connection between LCD and motherboard could be severed, faulty cable
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