Experiences in Laptop Motherboard Replacement

[caspian]

Dear technicians,

Recently I heard that if a laptop's motherboard is replaced, the laptop and its OS may load fine, but the laptop may hangs sometimes out of the blue. This is due to the fact that laptop motherboards are usually provided by unauthorized people and such motherboards are sometimes not new. that means the motherboard may contain hidden faults specifically in its GPU.

Now I have a Dell inspiron 5520 that needs motherboard replacement. But I am afraid to face a faulty motherboard with hidden faults.

Please share your experiences in motherboard replacement. How much success rate do you have after replacing with used motherboards and also new motherboards.

[techman1025]

Re: Experiences in Laptop Motherboard Replacement

Hi
This is why the dell techs have what's called a bio disk after the replacement it lets you match the system board info like service tag and board info to match your computer for the newer dells you need to download the utility from dell now on other model makes you use the dmi utility to match the laptop you are working on or on post it halts with error and it won't let computer boot until info matches system For older dells you could find the bios disk on eBay and it will tell you what model it supports this disk will also let you reset bios password if needed on older model like 2009 . Also in text editor you could edit the dmi info in bios if you know what you are doing . I have many ways to do if needed . Hope this help
Techman1025

[caspian]

Re: Experiences in Laptop Motherboard Replacement

thanks Techman1025
If I replace the entire motherboard but use the old CPU and screen, does the laptop need a BIOS fix?
How much success rate do you have after replacing with used or new motherboards?

[techman1025]

Re: Experiences in Laptop Motherboard Replacement

hi
If it's the same as original no need to do anything it will work but the plastic model info won't match if they ever call dell ...also what windows version installed? You might need to run RW EVERYTHING edit or copy the product key also to write it down if every needed to match your system ...newer models don't use the product key stickers no longer on the EFI Bios unless you have a hack version of windows. So if harddrive dies and need to reload the OS these are little problem but not the end of the world all fixable...Just something you should know about.
techman1025

[caspian]

Re: Experiences in Laptop Motherboard Replacement

If I buy a used motherboard from a non-authorized part seller, is it probably a faulty motherboard with strange hidden faults?

[techman1025]

Re: Experiences in Laptop Motherboard Replacement

Hi
You need to buy only working systemboards with a lease a 30 Warranty .. Don't buy other peoples junk that they tried to fix and made it worse ...Time is Money
Techman1025

[passete]

Re: Experiences in Laptop Motherboard Replacement

I would say at least 90 days of warranty, minimium on ebay professional seller ...