Cani-Technologies

Cani-Technologies cani-technologies (home of laptops) is the place to visit for all your laptops and peripherials. we sale, repair, train, network laptop computers.

TOSHIBA DYNABOOK PORTAGE no power: 19v missing across power inductors.a careful loop across a capacitor with an inductor...
08/10/2025

TOSHIBA DYNABOOK PORTAGE no power: 19v missing across power inductors.
a careful loop across a capacitor with an inductor, 19v restored. PC up, and running.

Most times, just do it.But if you're not sure of the safety; please don't try it.
11/03/2025

Most times, just do it.
But if you're not sure of the safety; please don't try it.

Hp probook 4540s.No display, power okDriver mosfet for vcc_core voltage burnt to bus line.Modified the circuit, PC jumpe...
26/03/2024

Hp probook 4540s.
No display, power ok
Driver mosfet for vcc_core voltage burnt to bus line.
Modified the circuit, PC jumped back to life.

HP PROBOOK 640 G3:Power Ok, Display Ok, Boots to Windows, Shows battery charging but does not add any percentage. Fixed,...
09/01/2024

HP PROBOOK 640 G3:
Power Ok,
Display Ok,
Boots to Windows,
Shows battery charging but does not add any percentage.
Fixed, tested ok.
Up and running.

HP 630 NO POWER:Faulty memory stick caused memory voltage regulator U1201, memory voltage driver mosfets Q1201, Q1202 an...
20/12/2023

HP 630 NO POWER:
Faulty memory stick caused memory voltage regulator U1201, memory voltage driver mosfets Q1201, Q1202 and capacitor CE1201 to short.
After successfully isolating and replacing the shorted components, the PC came back up.

HP 240 g4 NO DISPLAY.Power up with no display on the screen; core_vcc voltages ok, bios ok but no 1.2v on memory supply ...
29/11/2023

HP 240 g4 NO DISPLAY.
Power up with no display on the screen; core_vcc voltages ok, bios ok but no 1.2v on memory supply coil L60300.
Checked, and the memory voltage regulator U60300 was faulty: burnt to bus line.
Isolated, replaced, and voltage injected, the PC came back up and running.

Smsc KBC 1091 replacement.   Hp elitebook 6930p: no power, 3.3v, 5v missing. U4 Lm393 burns out always. Fixed, tested ok...
21/07/2023

Smsc KBC 1091 replacement.
Hp elitebook 6930p: no power, 3.3v, 5v missing. U4 Lm393 burns out always. Fixed, tested ok.

Hp 650 no power, 3.3v and 5v missing. Q1211 lower mosfet for U1201 regulator for 1.5v shorted. Isolated and replaced, th...
26/04/2023

Hp 650 no power, 3.3v and 5v missing. Q1211 lower mosfet for U1201 regulator for 1.5v shorted. Isolated and replaced, the PC is back up and running.

Fresh challenge for the new week: dell pc wouldn't start well because of a faulty HDD. Isolated the HDD from the unit an...
17/04/2023

Fresh challenge for the new week: dell pc wouldn't start well because of a faulty HDD. Isolated the HDD from the unit and it displayed, but then the client said there are very important files on the HDD, so we got no option than to open it up and fix it up. An SMD capacitor was shorted to ground; removed and replaced then everything came back up.

Hp 2000 laptop came in with power issue. 3.3v ok but no 5v. Q309 burnt to bus lines and looping is the only option. Succ...
11/04/2023

Hp 2000 laptop came in with power issue. 3.3v ok but no 5v. Q309 burnt to bus lines and looping is the only option. Successfully looped and the laptop came back up.

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Umuahia

Telephone

08065173787

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