If Problem is locked bios(Acer 5745)

PROBLEM: SYSTEM WON'T BOOT AFTER MEMORY UPGRADE

Acer Aspire 5745
SNID 02901299725
MODEL: ZR7

PREINSTALLED MEMORY MODULE: 2+1 GB SAMSUNG(2R), ELPIDA(1R) DDR3
"SYSTEM MEMORY DETAIL REPORT IS ATTACHED".

MEMORY FOR UPGRADATION IS KINGSTON KVR13S9S8/4G(2 MODULES)
"DETAILED SPECIFICATION IS ATTACHED.

UPGRADING PROCESS TAKEN;

1. REMOVED BOTH RAM AND REPLACED WITH THE NEW ONES

RESULT: A BLACK SCREEN DISPLAYING MESSAGE;
A RECENT H/W OR S/W CHANGE.........
1. REPAIR SYSTEM (RECOMMENDED)
2. NORMAL BOOT

{
ACTION 1: REPAIR SYSTEM(REC...)

RESULT: BACK TO THIS SCREEN

ACTION 2: NORMAL BOOT

RESULT: BACK TO THIS SCREEN
}

AFTER THIS FAILURE REPLACED WITH ORIGINAL RAM AND RESULT IS SAME SCREEN
BUT REPAIR OPTION HAS WORKED THIS TIME AND THE SYSTEM IS OK.

2. REPLACED BOTH THE RAM WITH A SINGLE NEW RAM I.E. 4GB

RESULT: DISPLAYS WIN START SCREEN BUT THEN BLUE SCREEN APPEARS OF SOME RECENT H/W OR S/W CHANGE............

SOME FREQUENCY ERROR IF I COULD REMEMBER (DOUBTFUL)----DON'T COUNT THIS

3. PUT THE RAM IN OTHER SLOT AND CHANGED WITH OTHER NEW MODULE

RESULT: SAME BLUE SCREEN OR THAT BLK AND WHITE SCREEN OF 1ST STEP

4. UPGRADED BIOS SUCCESSFULLY TO LATEST "V1.19" FROM "V1.11"

RESULT: NO RESPITE ;(

*GRAPHIC CARD IS INTEL HD 128MB(IT SHOWS IN BIOS)*

If present BIOS setting is the problem?

Unlocking and resetting would help which is presently locked(if 'am not wrong)


ANY HELP IS MUCH APPRECIATED!

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