Lenovo Zbook 15 LA-B38, system hamg up when on charger

[ktmmotocross]

Hello.
Have this HP Zbook with weird problem. Laptop works fine when on battery, but when on charger it hangs up when on load. system start but when load comes it hang up with "Whea Uncorrectable Error" BSOD




Can please admin change name of thread from Lenovo to HP

[ktmmotocross]

Re: Lenovo Zbook 15 LA-B38, system hamg up when on charger

looks like my win is going down to 19V when load so maybe first two mosfets dont pass enoungh current

[ktmmotocross]

Re: Lenovo Zbook 15 LA-B38, system hamg up when on charger

changed and still the same

[ktmmotocross]

Re: Lenovo Zbook 15 LA-B38, system hamg up when on charger

Added another pair of 330d capacitors to processor and still the same ��

[fauzanmint]

Re: Lenovo Zbook 15 LA-B38, system hamg up when on charger

check pin like acin or ac present

[ktmmotocross]

Re: Lenovo Zbook 15 LA-B38, system hamg up when on charger

check pin like acin or ac present

charging circuit is fine. have all signals and voltages. when not working battery charging without issue