Temporary work, when receiving a client machine repair, COMPAQ’s V3000, Oh, the classic models, this machine is the most frequent failures card air welding, and surely we all know this, throw little brother had prepared for aboutBGAOf. But nothing else, looked on adjustable power supply connected to the current run 0.27, it seems not …
IBM laptop R50e does not boot
This is the 1631 Taiwan-controlled to 11 feet there is +5 V standby voltage ~ (reset PG)7 feet -28 feet are 3.3v voltage ~ vcc5mPW will be pressing the standby current of 0.03 jump around 0.3 ~ ~ may need to protect power.Issued a document-PWRSWITCH pictures in NapianThis is the start switch do? Volume of …
ACER TRAVELMATE 630 repair advice
It is used by my colleagues in graduate school, because a sudden will not turn on (plug the power transformer completely no response after the open, no lights will flash and no fans will be moving), sent to service stations to determine the need for the motherboard, because the price can not accept the transfer …
The main source & voltage control circuit on IBM Laptop
The main source & voltage control circuit on IBM Laptop The main voltage source . The main voltage source is denoted by the letter M IBM at the end as the voltage : – VCC5M – VCC3M – VCC1R8M – VCC1R2M 1 – control the switching circuits generate the voltage . a) When the vacuum machine attached DC -IN …
Plug the power supply into the system of the Toshiba laptop L205 Huaping, crash, restart solution
My laptop is Toshiba L205, age is a bit old, not much to say, to say the symptoms. Saying from the beginning of last month, the notebook suddenly from time to time Huaping, crash, reboot, but after reboot it. I also Little some computers, memory, hard drives are removed to check there is no problem, and had …
The Lenovo Z465 instant spike classical on electrical repairs
counterparts repair the machine counterparts, he said that he was the next repair two days, the repairs can not, he sent another one relatively large repair to the repair shop or repair not already promised to the customer within three days of cross-machine, which have extended the early, under his anxious no way to send …
Tháo bỏ password BIOS Laptop Toshiba
Hẳn ai đã từng sử dụng máy Toshiba không ít lần đau đầu với password CMOS của nó, sau đây là cách Remove password của một số dòng thông dụng.Để làm công việc này bạn phải tạo một phích cắm với cổng máy in gọi là DB25. Sau khi tìm được đầu tương thích …
T61 IBM notebook standby maintenance
Core Tip: received today a fellow T61 IBM notebook standby machine; repair, the first observation of what are moving, visually dynamic power connector of the first P-channel MOS transistor, the upper and lower tube are moving too, Q34 and Q36 are replaced, power management DB4175 be replaced, I … Today received a peer T61 IBM …
overclocking the Inspiron 9300 (400MHz->533MHz FSB pin trick) 56K beware
Disclaimer: Do this at your own risk. I’m not responsible for you breaking your computer if you mess something up. Consult the technical documentation online at www.dell.com if you cannot disassemble/reassemble your laptop.I got a new Inspiron 9300 yesterday and had a P-M 715 running at 2GHz in my old 9300. I didn’t document it before, but …
3 hours maintenance ASUS A8M external light machine internal display does not shine a
Christmas, I shop a collective out of joy, carnival into the night 2:00 after eating barbecue could not sleep, up and repair A8M. Customer sent internal display is not lit there is no word, add-in is good. This situation a bit strange, high-pressure or a lamp or bad that screen there must be some word …