Question about Computers & Internet
No bios screen no boot, just battery and power on lights
Posted by Anonymous on
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Posted on Jan 02, 2017
Reseat the CMOS battary:
How to Change/Reset a BIOS password Posted on 30 December 2008
Tags: Tech News, Tutorials If you are a normal computer user who has forgot his BIOS password and you are unable to access to your BIOS, then you need a simple way to change your BIOS. Its not that hard because you just need a simple trick to reset your BIOS password.
Open your CPU cabinet after switching OFF the power and then try to locate the CPU battery which can be found very easily. Once you locate your battery you need to remove it once and restart your PC without the battery.
Note : Once you remove your battery from the mother board, you will find that all your time settings in your computer would be lost, and some softwares may stop working which are based on your computer time.
You need to shut down your PC again and now add back the battery which will enable you the time saving feature and also reset your BIOS password.
Posted on Feb 22, 2009
You have a currupt bios firmware. You need to pull out your battery, and disconnect the Cmos battery. Next leave it for at least 24 hr. to make certain you clear Cmos. Now get the latest bios update and have it ready to install. Make certain your a/c power supply is attached during this process. Put in a bootable cd with the firmware on it and see if it loads the new Bios firmware. You can then try to boot the Laptop or PC. I have had good luck doing it this way on most laptop's. Good Luck Phil
I have seen some cases where it is a motherboard problem, but not very often. I have also seen where it is caused by defective memory. You may want to test your memory in another laptop or borrow a chip to see what happens.
P.S. Here is the link to your bios firmware.
Posted on Dec 10, 2009
I smell a Hardware fault,or your Display might be busted...I suggest you Visit a PC store and let them check it out.
Posted on Dec 24, 2009
If the laptop appears to boot up but the LCD screen is black, then the problem is a back-light fault caused by either a faulty inverter or a faulty CCFL lamp. Please click on this link and follow my instructions to determine the fault and fix :-
Posted on Mar 15, 2010
To reset the BIOS read the information from this link.
In case of your laptop the easiest method would be using software from Hiren's Boot CD as it's pretty hard to open it up and reach for the CMOS battery or the jumper.
Posted on Dec 25, 2010
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