Problems after attempting RAM upgrade on 4820TG

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UserFI
UserFI Member Posts: 4 New User

I tried to install 2*4GB of Kingston HyperX Impact 1600MHz memory on a 4820TG laptop.
However the system went very unstable. Memtest86+ crashed and I couldn't boot to the operating system.

I have since returned the memory kit but some problems remain after putting the old RAM back!

Symptoms include:
BIOS menu can't be quitted, the screen just freezes.
Memtest86+ works but complains about failsafe mode.
The fan gets loud while starting operating system.
Shutdown doesn't work properly, again, the screen freezes. I have to push the power button long time to finish.

Is there any way to fix these problems?

Answers

  • laurent_14
    laurent_14 ACE Posts: 10,093 Trailblazer
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    Hello,

     

    Have you tried to remove and replace the cmos battery?

    France
  • UserFI
    UserFI Member Posts: 4 New User
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    It seems to be difficult to reach the CMOS battery. I fear that I break something... Smiley Indifferent

  • laurent_14
    laurent_14 ACE Posts: 10,093 Trailblazer
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    Hello,

     

    Yes you are right. There are several pictures showing the Cmos battery but the first is wrong. It is located under the keyboard. This requires a complete disassembly of the motherboard. Forget!Smiley Frustrated

    France
  • UserFI
    UserFI Member Posts: 4 New User
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    I know a person who can disassemble it safely.

    It's rather worrisome that BIOS displays product name as "482ü".

  • laurent_14
    laurent_14 ACE Posts: 10,093 Trailblazer
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    Hello,

     

    It's rather worrisome that BIOS displays product name as "482ü".

    1. Do you see now something on the screen?
    2. Is it in the bios setup utility?
    3. "482ü" sound like a bios corrupted.
    France
  • UserFI
    UserFI Member Posts: 4 New User
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    2. Yes, Product Name under Information tab.

     

    Anyway, since the operating system is working normally besides glitchy startup and shutdown, I won't take any further risks by disassembling it. The guarantee period is ended though.