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Dell
Power Socket Pin Repair
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Dell
Laptop Backlight Repair
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Dell
Laptop Video Fault Repair
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Dell
Data Recovery Service
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Dell
Laptop
Software Virus Recovery
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Laptop Motherboard
Repair
Laptop Spare Parts
Popular part numbers:
P5175, 7R316, 6K709, 2864D, H5510, 2M100, 1M751, P1290, Y3725, 2864D, 8E120, 7H914, 385RW, 068RU, D1003, 0120C, 1873T, J5455, 09YXE, H0286, 25MKC, 2U381, FH543, C1682, 3R459, R2078, 303ED, K2232, 2013T, M1564, 6G356, H1371, M4599, N1381, 303ED, 1R159, 044WW, G1205, 6J800, F5134, W1824, Y6065, X5166, 2C415, TD349, X5166, C5447, U1515, 6K709, 0R507, D1004, X1336, 2N355, 4X230, 7X886, R1697, X2973, 7W762, U5449, JD559, Y9525, M1624, W5320, M4479, NC926, T1505, 0300U, UG698, 8N505, T4461, 0F437, C4171, 7W762, 9823E, U2847, 6T216, K2523, 7J836, H7246, 0K963, UF284, F5994, 7K252, C1731, W1571, 43RVJ, 3R690, K8735, 202TV, 8U865 and 09JGF.
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DELL REPAIR FAQ:
Dell
Precision M4400 Motherboard
The computer won't switch on or will crash
intermittently. Some video problems also require a motherboard repair
as most video chips are soldered onto the system board. Our engineers
perform component level repairs on most Dell motherboards. We can
replace resistors, capacitors, transistors and also work on the major
chips within your system. Our engineers have many years of experience
and know how to fix most systemboard faults.
Dell
Precision M4400 VGA Video Graphics
faults
The system starts up with dots or lines on the
bios or intro screen. Graphics are distorted, blocked or pixilated.
In some cases the system refuses to boot. Strange effects when
windows or mouse are moved on the screen. All these effects can be
caused by a faults related to the graphics chips. About 90% of
faults can be repaired, the rest are caused by cracks on the
motherboard and impossible to repair. Our Advanced Video Repair
Technology enables us to restore full function to your laptop in
most cases. Manufacturers and their tech support always recommend
that you spend hundreds on a new motherboards - we've got a cheaper
alternative. Examples: VGA
Video Graphics Repair
Dell
Precision M4400
Power Jack Pin or Socket
The laptop will not charge the battery. When
the battery power runs out the computer stops working. We repair or
replace power sockets where the power pin has broken or has become
disconnected from the motherboard. In some cases the power connector
makes a poor connection with the Precision M4400 jack. This causes arcing
which can generate enough heat to melt the Precision M4400 dc jack and the
power pin may become lose. It is best to get the Dell power socket repair before the battery is totally depleted as this can cause permanent
damage to the battery.
Dell
Precision M4400
LCD Backlight & inverters
The laptop switches on but the screen
remains dark. In some cases a faint image is visible on the Precision M4400
screen. This problem can be caused by a faulty Precision M4400 fluorescent light,
inverter, video cable or a problem on the motherboard. Specialist
tools are required to determine the exact cause of the fault.
Backlights use very high voltages and it is easy to cause damage to
the system if they are not correctly handled and installed. Our
engineers can replace the backlight lamps in most TFT/LCD screens
including the new xbrite panels. We also have access to most backlight
inverters and cables. We can perform repairs on some very rare
inverters. It is very easy to destroy an expensive LCD/TFT when
removing/installing the CCFL. Our engineers are trained using broken
LCD panels before they can work on a customer's LCD/TFT unit.
Dell
Precision M4400 LCD Screen
We can supply original Dell and compatible
replacement LCD screens. In some cases only refurbished screens are
available. We don't charge extra for installing and testing screens.
Screens come in various sizes (measured diagonally in inches) and
resolutions(XGA, SXGA, SXGA+, UXGA...) We need the correct size and
resolution to provide you with an accurate quote. While-U-Wait
installation at Precision M4400 LCD Screen
Dell London
at very reasonable prices and risk-free.
Dell
Precision M4400 Keyboard
Most Dell keyboards are damaged by liquid
spills and general wear. We can supply or install keyboards for most
Dell laptops. We also repair keyboard connectors on the system
board.
Dell
Precision M4400 CPU problems
Intel CPUs hardly ever go wrong, but are
very difficult to diagnose. Some will crash on rarely used
instructions and at certain temperatures. Unfortunately, hours of
testing can be in vain if the problem instruction isn't executed.
Overclocking a Precision M4400 CPU in a laptop is not recommended as the
cooling systems are designed to dissipate heat at normal speed.
Dell
Precision M4400
Overheating
We can install replacement Dell fans and
heat sink parts. In cases where the original fan is not available, we
can install substitute fans which will be equivalent or surpass the
performance of the original Precision M4400 fan.
Dell
Precision M4400 Hinge
Some laptops have a problem with the hinge
becoming stiff. It becomes difficult to open and close the laptop lid.
The plastics may also be damaged by a defective hinge.
Precision M4400 CD/DVD and floppy drives
Our engineers can repair or replace these
drives. We have a lot of drives in stock and the work can be carried
out very quickly.
Dell
Precision M4400
Hard Drive
Faulty hard drives can cause data loss and
stop your laptop from booting into Windows. We can replace faulty hard
drive and attempt to recover your data. After installing the new
drive, our engineers perform a thorough disk test to ensure that your
data is as secure as possible.
Dell
Precision M4400 Software and Drivers
Viruses and improper shutdowns can lead to
the Windows XP operating system or the file system becoming corrupted.
We can recover your data and install a fresh operating system or
drivers to prevent crashes. We can also recover your data from totally
dead or unusable computers.
Dell
Precision M4400 Charging problem
Charging problems can be due to
batteries nearing their end of life, power supply problems or failed
components on the motherboard (FET, MOSFET, Transistor, Diode or
Capacitor).
Secondhand
or Used DELL Precision M4400
Buying a used laptop is a risk. You may find that the battery
does not accept a full charge or the laptop is unstable. Most
secondhand sellers consider any laptop that boots into Windows as a
working machine, even if it keeps crashing every five minutes. We
strongly advise customers against buying used laptops with a
DOA warranty as some faults are not immediately apparent.
BIOS
update DELL Precision M4400
Many motherboards are destroyed by incomplete or corrupted BIOS
updates. A BIOS update should only be performed if it is critically
important. Don't do a BIOS update just for the sake of having the latest
version on your computer. Ensure that your computer is stable before
performing a BIOS update. Run diagnostics to check memory, hard
drive, keyboard and video graphics. In
99% of cases a failed bios update will make the computer totally unusable
so take a backup of your software and data too. Make sure that you
have a good connection to your mains adapter and that the battery is
fully charged. NEVER, NEVER, NEVER interrupt a BIOS update. Let it
finish, even if it seems stuck and takes a long time.
Q.
Do you supply spare parts?
A. No.
We are in the process of launching a new website dedicated to
supplying spare parts to repair centres and end users.
Battery Additional 11.1V 53Whr 6 Cell Lithium, Dell Wireless 1490 802.11 a/b/g MiniCard DAO (Aragorn), 8X DVD D-Module, 64MB Video Card Radeon 9700 (M11), BATTERY LITHIUM-ION 6C 53Whr, Dell AS500PA SoundBar Speaker Kit NMB, 20 GB HDD 9.5mm , TrueMobile 1184 Broadband Router Kit ( Drivers CD Documentation Broadband Router RJ-45 cable and an AC Adapter/Cord) - (OZZY II REFRESH), Screw M2.5X5: LCD Bezel to LCD Panel(Total Qty 4) LCD Hinges(Total Qty 4) Palmrest Topside(Total Qty 6) Keyboard to Palmrest(Total Qty 2), 10/100 network card, Blank Plastic PCMCIA Slot Filler Insert, RJ45 Plastic Filler Plug (Blocks off the RJ45 Jack), LCD Right Hinge Cover (Does NOT INCLUDE hinges), Service kit wireless cable for bottom base both X6380 and Y6204 , 8X DVD C-Module, Monitor stand D/Dock or D/Port Worldwide (does not include Dock/APR), Reserve Battery B120/B130/1300/120L, Primary Battery 32WHr 14.8V 4 Cell Lithium, Motherboard Service Kit UMA/Integrated 9400 (Incl. MB RJ11 cbl and BIOS CD), Floppy drive - internal/external, Screw M3X3: HDD Carrier to HDD(Total Qty 2) HDD Security Screw (Total Qty 2), Secondary Battery D-Module 48WHr 12.6V 6 Cell Lithium, Wireless 1300 External Wireless PC Card (802.11 b/g 54Mbps), I8000 Motherboard Service Kit, Palmrest Assy - 1200/2200/110L (Includes Touchpad and cable), 40GB HDD 9.5mm 5400rpm, 24X CD D-Module, 60GB HD 4.2K 700m/710m, 20 GB HDD 9.5mm 4 200rpm , 24X CDRW/DVD Combo D-Module , BATTERY PRIMARY 80WHR 9C LITHIUM , 16 MB USB Flash Memory Device, 40GB HDD 9.5mm 4200rpm, 2X DVD+RW D-Module, Primary Battery 14.8V 4 Cell , 40 GB HDD 5 400rpm (4G167), 3 Foot Flat Power Cord US (For D-Series AC Adapter), FDD USB Cable P65 D-MOD, V.92 MDC Service Kit (Includes MDC Modem and Drivers CD), Rubber Strap Power Cord Manager Replacement, 800MHz Celeron Coppermine Processor D Step, TrueMobile 1180 802.11b MiniPCI Card Only, 1.4GHz 1MB 360 Celeron-M Dothan, BATTERY PRIMARY 11.1V 9C LITHIUM, Screw 2.5X6 Palmrest Topside, D/Bay External Powered USB Media Drive Bay Housing (requires D/Port), Intel Pro Wireless 2915 802.11a/b/g MiniPCI Card, AC Adapter 65Watt PA12 (Does not include power cord), 1.20GHz Celeron Processor Service Kit A-Step (Contains CPU P/N 6M876)(Includes CPU Heatsink/Fan and BIOS CD), AC Adapter 90Watt (Does not include Power Cord), 20 GB HDD 9.5mm 5400rpm (M1170), 6 Foot Power Cord US (C-Series Adapter), 15 LCD Back Cover Assy (Incl. LCD Hook and Hinges) I1200, Door Memory, Enet 10/100 card, Screw M3X5 HDD to Carrier(4), TrackStick Pointer Cover Kit (Includes 2 Gray and 2 Purple Covers) C-Series, 512MB USB Memory Key M-Systems V3 , S-Video to RCA(Yellow) TV Output Cable Kit ( Cable and Techsheet), Palmrest Assembly (Includes touchpad assy LED board switch board multi-media board media cable and switchboard cable) 9300, Pro/Wireless 5000 802.11a PCMCIA Card Kit ( Drivers CD Documentation and 5000 PCMCIA Card) , SW Kit for U2027 card (Contains Drivers CD and Quicksart Quide), 8X DVD D-Module, LCD Cover Color Insert CARBON FIBER, 2.8GHz 1MB P4 Processor SVC KIT Prescott DT (Includes BIOS CD), Enet 10/100 card.6.5 (includes drivers and cables), TrueMobile 1184 Broadband Router Kit ( Broadband Router RJ-45 cable and an AC Adapter/Cord), LCD Bumpers for Bezel (6 required), Screw M3X3: HDD Carrier to Base(Order Qty 4) HDD Security Screw (1), 14.1"LCD Bezel, Plastic Venice Blue Color Insert for LCD Cover VBLUE 8500, Mini Coax Cable for 1150 MiniPCI Card Drivers CD and Documentation. (Does NOT include the MiniPCI Card), 128MB USB Memory Key SMART , Modem/NIC PC CARD, 16 MB USB Flash Memory Device, Rubber Foot(1pc) - System Qty 4 (3 in unit corners 4th corner foot on battery), AC Adapter 90Watt (Does not include Power Cord), 80GB HD 5.4 SATA D620 (bare drive GH354) , Battery Primary 53WH 6 Cell Li-Ion B120/B130/1300/120L (Primary source), US Power Cord 1 Meter 125 C7 2P DUAL UNITED STATES, 64 MB USB Flash Memory Device , Kit Hub Wireless AGR AP2000 Re-spin a and b compatible, Memory Door Cover, Motherboard Service Kit 866MHZ MB (incl. RJ45 jack), 128 MB USB Flash Memory Device, 256MB Graphics Card 7800 (G70) 9400, Battery 59WHr 14.8V 8Cell Lithium , 30 GB HDD 9.5mm 4.2K, 14.1"XGA LCD Service Kit (Includes Panel Cable and Inverter), 1.66GHz Yonah Processor Svc Kit Single Core I9400 (Incl. PRC and HTSNK) and Battery 14.8V 12 Cell Lithium .
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UK REPAIRS INFO
Marlborough House
Business
Hours
Mon-Fri 9.00am-5.00pm
Saturday 10.00am-2.00pm
Visitors welcome
Customers are always
welcome to visit us and discuss their laptop repairs with our engineers.
Parking
Info
You can park in the
residents bays on Bruce Road at all times
EXCEPT: Mon-Fri 10-11am
& 2-3pm
(PLEASE AVOID THESE TIMES)
Tube/Rail
Harrow & Wealdstone Station is served by National Rail and London
Underground Bakerloo
Line services.
We are a walking distance away and on the same High Street.
Map & Directions
<cl!ck
here>
Mailing
Info
Most customers send us their laptops by
mail. The average cost of sending a laptop to us using the post is £18
for next day delivery with insurance.
88428
15910
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