• Dell Alienware M18 R1 NO CPU CORE PCB 213194-1 INFINITY RPL-HX MB

It is currently 30 September 2025, 03:52

Dell Alienware M18 R1 NO CPU CORE PCB 213194-1 INFINITY RPL-HX MB

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  1. Topic title should contain: the device's manufacturer, full model and the brief description of problem.
  2. Topic message should contain: the PCB marking code (required in case of hardware repairs), an extended description of problem, things you have checked/replaced/measured, your conclusions and the question. If you are not able to find the PCB marking code, please read THIS TOPIC. If you still cannot locate the PCB markings, please upload a clean, both-side photos of the mainboard - it is required to remove any films, modules or brackets possibly covering these markings.
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#1 Dell Alienware M18 R1 NO CPU CORE PCB 213194-1 INFINITY RPL-HX MB

by leonemax81 • 29 August 2025, 19:34
Ciao ragazzi ho questo modello di pc Dell Alienware M18 R1 che mi arriva con il connettore LCD1 rotto, e non accende, quando inserisco il cavo di alimentazione ho un consumo di 1.400 ampere, il pulsante di accensione non si illumina ho tutte le tensioni ma manca la tensione 1V_CPU_CORE, ho fatto alcune verifiche e ho notato che il chip NCP81521 manca il segnale PWR_VCORE_VR_EN al pin 2, tale segnale arriva dal chip U4005 pin 4 ALL_SYS_PWRGD, che risulta mancante, il chip U4005 viene abilitato da due segnali S0_PG Pin 2 che risulta presente, e dal segnale IMVP_VR_ON Pin 1 che risulta mancante, sembra che IMVP_VR_ON provenga dal NPCX993DA0BX, sul pin 1 del U4005 non ho corti, misura 9.99 Kohm. qualsiasi aiuto è apprezzato.

TENSIONI PRESENTI:
3D3V_KBC_S5
3D3V_S5
5V_S5
V0P82_S5
1D8V_S5
5V_FAN12_S0
1D35V_VGA_S0
1V_VGACORE_S0
1D8V_VCCIN_AUX
5V_DDR5_S3

TENSIONI MANCANTI:
1V_CPU_CORE
IMVP_VR_ON

Re: Dell Alienware M18 R1 NO CPU CORE PCB 213194-1 INFINITY RPL-HX MB

by Google Adsense [BOT] • 29 August 2025, 19:34
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