Dell Laptop QAL80 LA-7781P No Display Problem

Case Study : Dell Laptop
Part No : QAL80 LA-7781P
Problem : No Display
Solution : Found that only stuck in 0.150 amp on PSU. Step down Ic (3.3 v /5 v ) heating.
Checked For short Circuit Not Found. Then checked the RTC 3.3 v it was 0 volt  Replaced RTC Cell Then Also no voltage RTC. At Last Found  Pf Leaky
Laptop Working Fine

Acer Aspire E5-573 No Power On and Not Charging

Model:Acer Aspire E5-573

MB ID:ZRT

Case Study Problem : plugged in adaptor no power on and not charging

Solution : First I check VIN present, no auxuliary voltages at battery connectors.
I check with PSU 19V, it takes 0.28amp then decrease voltage from 19v to 17v.
now the laptop power on and working fine. So the problem is located at the power IC pin(6) 2.59v (acdet).
I check voltage divider working ok as in schematic
Now I replace 8k resistance in place of 10k now am getting voltage is 2.13v (63.4k-10k actual)
ok i give 19v from PSU ...LAPTOP is working fine.

Old Motherboard Auto On and Can't Save Time

Old Motherboard Auto On and Can't Save Time

Problem: Auto on and can't saved time even though it was replaced with a new CMOS battery.

Action taken: Check crystal oscillator no luck, resolder frequency generator no luck, check two 22pf 1 is shorted so have to replace.

Resetting Ink Level on Canon Printer MX300

Each print a document or image, then the level of ink in the cartridge will be reduced and a time will run out. Maybe you can refill the printer cartridges, but your computer will continue to detect that the cartridge is empty, and your printer will not print any documents.

Error E27 on Canon MP198/MP258 “Ink Absorber is Full”,

Not just counting how many times the printer is done printing, the printer also calculate how many times do the head cartridge cleaning, and ink absorber on the printer you will be considered full at a later time. Error code at the beginning was the E8 and then will turn into E27.

The following is the step by step how to reset error “Ink Absorber is Full” with error code E8 of E27 on Canon printer model MP198 and MP258 (or may be also work on MP270):

Resetting Epson C45

The Epson C45 printer ink cartridges could be refilled manually. Unfortunelly, although the ink tank already refilled but the   run out/empty ink message will still appear  and printer stop to run. Reset can be done if the premises software does not work sometimes have to use the resetter. The following tutorial will explain how to reset ink level of  Epson C45 by using application program SSC Service Utility.

Resetting Canon IP 1600 ink counter

Error code blink green 4 times and orange  1 time that means the ink runs out. you can reset it manually or using  resetter program. In this tutorial  using a method resetter IPTool: