Hi friends i have lenovo thinkpad l450 not turning on But when I remove the battery COMS, whoring after When I turn it off led blinking after not turning on ،Again, it must be remove coms battery to turning on.
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Hi friends i have lenovo thinkpad l450 not turning on But when I remove the battery COMS, working after When I turn it off led blinking after not turning on ،Again, it must be remove coms battery to turning on. sorry my english is not good -
??But when I remove the battery COMS, whoring after
Working after you remove the CMOS battery? What is the voltage of this CMOS battery?
See attached. Locate the diode mated to the CMOS / RTC battery. Remove all power. Meter in DIODE mode. Connect the meter leads across this part. The meter should tone beep and conduct in one direction (not the boy band; be a value of 0.3 to 0.6 volts) and will block when the meter leads are reversed. Confirm that this diode is not leaking.
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I removed all the power, first diode 0.3v. Second diod 0.2, resistor is ok, but with battery computer It gives 3.3 volts but when I put the battery coms/rtc it gives 2.8 voltsAttached FilesComment
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This specification for the Lenovo ThinkPad L450 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the L450 boardview and L450 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for Lenovo ThinkPad...09-06-2024, 05:30 AM
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This specification for the Lenovo ThinkPad L450 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the L450 boardview and L450 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for Lenovo ThinkPad...09-06-2024, 05:30 AM
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For Badcaps Readers, Please note that I am hopefully going to present this same message to Lenovo to see if they have any insight to the matter as well and figured to share the entirety here for clarification. The System is out of warranty as it is but does have the option to have it extended.
Model Information: T14 Gen 2 (Type 20XK, 20XL) Laptop (ThinkPad) - Type 20XK - Model 20XK0069US
Board: T14 Gen 2 (Type 20XK, 20XL) - Type 20XK.
System Hardware:
Processor: AMD Ryzen 7 PRO 5850U
Memory: 1x 16GB DDR4 3200 (Soldered on Board); 1x Crucial 32GB DDR4...09-08-2025, 10:46 PM -
Hi,
I want to remove the Bios Password of my Lenovo IdeaPad U330p with the Lenovo autopatcher. I have the CH341A Black and I'm using NeoProgrammer. The Programmer has an LED that indecates when it reads or writes the Chip. When I try to Connect my Programmer to the Bios Chip (Winbond 25Q64FVSIQ) the LED lights up even though I didn't click on Detect botton in NeoProgrammer. If i click on Detect the LED still remains on and NeoProgrammer says "IC not responding".
SN: QB08570065
MB: DA0LZ5MB8D0; REV: D; MODEL J31/N02 -
i have Lenovo Thinkpad X13 gen 6. with supervisor password enable. anyone know how to remove it. as i am starting this thing first time so dont know. but i am good in solder.
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