Hello and thank you very much in advance. My laptop has the problem of the power LED flashing; I would like to ask you for a BIOS to be able to try to repair my computer.

Lenovo Ideapad S145-15IWL
81MV
MotherboardFv440/FS441/FS540 NM-C121
Rev 1.0
2018-12-12
CPU Core i5 8th gen
S/N: PF1K4F7M
MTM: 81MV00MKSP​...

Re: iMac G5 PSU - no power

Hello, recently, I have repaired, an imac G5 power supply (DPS-180SB A), with the symptoms of no standby, totally dead. The power supply, did not have any swollen capacitors on the secondary.
The replaced components have been:
Stand by Ic TNY267PN , a 4.7 Ohms resitor (near this ic), and a 400v 3.3Uf (near this ic an under the heatsink, and covered whith heat shrink), this capacitor have been leaking underside and very hard to see.

First time i have replaced the tny267pn did not work, (a fake ic from ebay), but i have order 10...