Search found 23 matches

by anandvsalunke
Fri Dec 01, 2017 8:56 am
Forum: Tips By Indiarefix Team
Topic: How to disable GPU on 2011 MacBook Pro with video issues..Tested..
Replies: 0
Views: 4880

How to disable GPU on 2011 MacBook Pro with video issues..Tested..

Dear All,

I present you here 100% working method to disable the GPU on Macbook Pro 2011.
by anandvsalunke
Sun Feb 12, 2017 4:01 am
Forum: Laptop Case Studies
Topic: Acer 5536G no boot, all voltages OK.
Replies: 1
Views: 2353

Acer 5536G no boot, all voltages OK.

Acer 5536G motherboard 08252-2 came in with no boot. All voltages checked OK. BIOS flashed, but no change. Connected debug card to LPC bus and found post code "00", which means the processor is not running the BIOS. Checked the CPU reset lines on scope and found normal. At this point, it i...
by anandvsalunke
Mon Dec 19, 2016 2:58 pm
Forum: Laptop Case Studies
Topic: USB not working, Finding of problems in sequence
Replies: 11
Views: 11073

Re: USB not working, Finding of problems in sequence

sir i have samsung np-n100sp the flash drive, mouse and external keyboard did not recognize on bios utility and windows but 5v is present the data - & + pin 2&3 goes to tiger point ic, that ic getting heat...what solution for this problem sir Check USB load switch IC which gets short-circui...
by anandvsalunke
Sun Dec 04, 2016 2:10 pm
Forum: Laptop Case Studies
Topic: Macbook Pro A1286 GPU Panic
Replies: 4
Views: 4326

Macbook Pro A1286 GPU Panic

Macbook Pro A1286 820-2850-A - Randomly shuts down or shows error at boot "GPU panic/ Kernel Panic". This is a known issue in Mid 2010 Macbook Pro of bad Nvidia Chip, hence i straightway ordered the graphics chip & replaced. The result is Cris-cross pattern on screen and shutdowns... :...
by anandvsalunke
Thu Dec 01, 2016 6:48 pm
Forum: Laptop Case Studies
Topic: N5010 white screen after conversion
Replies: 12
Views: 13379

Re: N5010 white screen after conversion

White screen means LCDVDD 3.3V is missing. Try manually supplying 3.3V and see if you get picture. If yes, you know where the fault is..

All the best.

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by anandvsalunke
Thu Dec 01, 2016 8:07 am
Forum: Laptop Case Studies
Topic: Acer V5-121 does not detect battery, doesn't charge ,compatible battery issues Part-2
Replies: 11
Views: 10972

Acer V5-121 does not detect battery, doesn't charge ,compatible battery issues Part-2

Here goes the second part. Acer V5-121 does not detect battery, doesn't charge. Interesting case showing how to deal with compatible battery issues [hidden]Knowing that Acer restricts the battery to certain models only, it is logical to think that this is done through BIOS. The battery I ordered had...
by anandvsalunke
Thu Dec 01, 2016 5:58 am
Forum: Laptop Case Studies
Topic: HP DV6500 does not boot.
Replies: 2
Views: 6066

HP DV6500 does not boot.

HP DV6500 does not boot. The board is DA0AT3.... 19V load switch of main DC power toggles on and off continuously. Surprised to find that the charger IC Max8724 is missing. MAX8724 replaced and 19V rail is stable. Attempt to power on results in fans spinning, but no display. PLTRST signal found ok. ...
by anandvsalunke
Wed Nov 23, 2016 1:05 pm
Forum: Laptop Case Studies
Topic: asus k54c board dead no power on but it power on with out cmos
Replies: 6
Views: 6418

Re: asus k54c board dead no power on but it power on with out cmos

Thanks for updating. I had similar issue with Lenovo once. The board doesnt boot up thinking that the lid switch is activated.
by anandvsalunke
Fri Nov 18, 2016 7:42 pm
Forum: Laptop Case Studies
Topic: DIMM DISPLAY IN LENOVO S300 IDEAPAD
Replies: 8
Views: 7405

Re: DIMM DISPLAY IN LENOVO S300 IDEAPAD

Don't you think this is bad connection at PCH rather than PCH going bad? Did you check for open traces?

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