Laptop boot process and how to determine fault current meter pointer

Tips for Lenovo Laptop Battery

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Your Lenovo Laptop Battery Won’t Charge We’ll cover the dumb questions first; Is the AC adapter plugged into the wall? Is there power at the wall outlet? OK, we’ve gotten those two out of the way. Remove the battery and turn on the laptop. Does it start up? If it doesn’t the problem may be in the adapter or the machine itself. Does the battery feel hot? The batteries won’t accept a charge if they’re too hot. Remove it and let it cool and re-install, if it still won’t charge then it needs some attention. The Life And Capacity Of […]

Fixing Lenovo Hard Drive Problems In Your Laptop

Note: Before attempting to diagnose your Lenovo hard drive problems PC Doctor diagnostics should be run and any messages or error codes noted before replacing your hard drive. Keep in mind that a noisy laptop hard drive may not be defective, some are just naturally noisy. Some of the following steps may not be applicable to your system and remember to test your machine after each step. 1. First up check that your hard drive is recognised in the BIOS, to do this; While the “Press F1 for BIOS Setup Utility” or “To interrupt normal startup, press the blue Access IBM […]

Annoucement for new Batch schedule for all course

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Announcement for new Batch……….. Intersoft would like to Announce its New Batch Schedule for all course Company Profile: Intersoft Institute is a leading training centre for Laptops, Mobiles and desktop, computer has now launched online training too. We are pioneers in providing quality education along with complete practical knowledge and we are known for converting students into working professionals. Our main aim is to extend our best technical and practical knowledge of chip level repairing of laptops, computers and mobiles all over the globe. Courses Available: Computer Repairing Course v  Module 1-computer basic hardware A+ v  Module 2-Chip level Training […]

Lenovo Schematic Diagrams

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Download IBM Schematic Diagrams

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Download HP Schematic Diagrams

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Download DELL Schematic Diagrams

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Download Asus Schematic diagrams

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Download Acer Schematic diagrams

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Laptop boot process and how to determine fault current meter pointer

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Laptop boot process and how to determine fault current meter pointer Description: When you press the power switch, such as the normal power supply (3.3V and 5V power supply and CPU normal output), power chip will produce a PG (power good) signals were sent to the north and south bridge and CPU. When the South Bridge to the PG signal received, it will produce a two- way clock control signal PCISTOP and CPUSTOP sent to the clock circuit, When you press the power switch, such as the normal power supply (3.3V and 5V power supply and CPU normal output), power […]